. The hydraulic cam does not have clearance ramps so I set the lash at zero cold. Youve seen hundreds of thousands of them in Chevelles, Novas, Camaros, and untold other mainstream Chevys. I'll probably have to mark it on the damper instead to get a more accurate reading. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. We ran two different Holley Carbs to check out the differences. Now that the Malibu contained even more sub-series as of the 1969 model year, its share of the whole Chevelle market jumped to an astounding 83.5 percent. The 1972 engine has a maximum brake horsepower of 130 at 4,000 rpm with a torque of 230 foot-pounds at 2,400 rpm. The 307ci engine was first produced in 1968. Like Ford with the 289 turned 302, Chevy stroked the 283 to 307ci. lower speed indicates idle If that setup caused ping I'd change the vac adv pot to a less sensitive one that started advancing at a higher vacuum level. The 325-horsepower engine used a black side-snorkel air cleaner with a chrome lid. The V8 series got the standard 210-horsepower 327. We also added a complete MSD ignition system to keep everything lit at high revs.. There was also a last minute cam change from 242/248 on 110 lobe centers to a Comp Cams solid roller cam254/260 on a 110 lobe centers. Chevrolet never did a high-performance 307 like it did with the 283. Upon the next trip to the JGM Performance Engineering Dyno, the upgraded 311 came up a bit short at 486 horsepower at 7,200 rpm with a loss in torque to 390 lbs.-ft. peak. One was a Holley HP 750cfm with vacuum secondaries while the other was an 830 cfm HP.. I would of never done a full port on the Victor Jr. With the small bore, that really backfired on you and I never use an HEI unless the msd box is in between it and controls the coil. New for 1969 was the 350ci engine. The block was going to be close to zero deck with a 0.030 inch thick head gasket, Jeff comments, That made for a real tight quench that improved efficiency. Jeff chose ARP fasteners for added security. document.getElementById("dynstuff") : document.all.dynstuff Additionally, as the muscle car wars were really raging at this point, there was a hankering for more power than even the highest powered factory model could deliver. Loved the article. 1967 ] | [ The base 396ci engine was available with 325 horsepower, or the optional L34 396ci engine got you 350 horsepower (both had Rochester carburetors, 10.25:1 compression and two-bolt-main blocks). Learn how your comment data is processed. 300 Deluxe Series 33 Six Cyl Series Sedan, 300 Deluxe Series 33 Six Cyl Hardtop Sport Coupe, Malibu Concours Sport Sedan Series 35 Six Cyl Sport Sedan, Malibu Concours Estate Wagon Series 37 Six Cyl Station Wagon, Deluxe 300 Series 134 + RPO Z25 Super Sport 396 Option Package V8 Sport Coupe, Deluxe 300 Series 134 + RPO Z25 Super Sport 396 Option Package V8 Coupe, Deluxe 300 Series 135 + RPO Z25 Super Sport 396 Option Package V8 Sport Coupe, Deluxe 300 Series 136 + RPO Z25 Super Sport 396 Option Package V8 Convertible, Vehicles with Similar 22.13 HP/Weight Ratio, 1969 Baldwin-Motion SS427 Phase III Chevelle. Jeff Latimer, a savvy engine builder and racer who used to manage JGM Performance Engineering in Valencia, California, came to us with an intriguing engine build project no one had ever tackled before. 1970 Chevrolet Chevelle Series 1969 Baldwin-Motion SS427 Phase III Chevelle. What I can say is uou have a very nice turd that does not smell to bad but your gonna have to hunt real hard or to try to give it away now. Not being an SS doesn't mean the interior isn't a performance-oriented place to do business in comfort and style. Top Contributors this Month View All J. just_a . I recall new 1968-73 Chevelle wagons, sedans, and hardtops up and down our Maryland block with 307s. His passion for performance got him noticed by many locals, and he began helping them modify their vehicles. Because this is a hydraulic roller cam, it requires a cam button. var iframeobj=document.getElementById? The engines available in base-model Chevelles still included the 230ci and 250ci six-cylinder engines (140 and 150 horsepower respectively), and the 307ci V8 that put 200 horsepower under the hood. You can just match up the heads and manifolds, but if you polish the runners, mixture turbulence is affected. I would of done it differently and I never use silicone on a rear main seal or the deck. In Jeffs mind, the 307 was a sleeper. actually 402 cu.in. Either way I am not going to start to building 307s because there is plenty of them, for anyone. 1972 Chevrolet Chevelle. He managed a whopping 70 horsepower increase. The torque rating is 350 lb-ft. at 4,000 rpm. With the 4.4-liter V-8 gone, the 150-horsepower 5.0-liter V-8 became optional on wagons and sedans; it was previously offered only on . 1967 Chevrolet Chevelle. Thats when I concluded the additional port work on the intake manifold hurt velocity because the engine was small at 311ci, Jeff commented, With the goal of 500 horsepower so near, I was always aware we would lose torque in the process., Jeff went on to say, I switched to a different Victor Jr. with only port matching to get velocity and torque up. Carfolio.com - all specifications presented on this site, their display and formatting belong to Carfolio.com. The 307 is a large-journal 327 with 1/8 inch smaller bore. We wound up with 1.625 horsepower per cubic-inch! This project was never meant to be a budget build. Just think how many people were lured into racing at stoplights and getting embarrassed. 1969 Chevrolet Chevelle. In the back the rear seat looks rarely used, while the spacious trunk is as clean as can be, with a correct plaid mat and full-size bias-ply spare tire that could easily be this car's original unit. I love doing these types of engines when the customer pays me to. Just add a Q-jet on a stock manifold and it will surprise you. Those very low initial advance specs are for emissions purposes. More horsepower same torque. The dashboard is all-stock with a factory gauge setup, giving you a full view of the engine's goings-on, and a newer retro-style digital AM/FM/AUX stereo head unit is fitted in the original radio's location with speakers throughout the interior. However, there is another group out there, who really prefer the 69 with its unique one-year-only looks. Uses stock 350 pistons. A TH400 3-speed automatic transmission was swapped in favor of the original Powerglide and it makes every drive a pleasure, and with new components like a fresh shocks and newer gas tank underneath, you can cruise without a care. My CNC race preps a block in 30 minutes and that is bored, and decked in perfect 45 degree bank angle as well as bored on that degree perfectly. The Chevy 307 V8 engine came along in 1968 to replace the Chevy 283 V8. Thats when he became hell bent to pass the 500-horse mark. We will safeguard your e-mail and only send content you request. ft/32.5 kgm) at 2400 rpm. // window.onload=random_iframe, Mac's The most impressive part of this engine making so much power is that the bore is so small at 3.905 inches and the intake valve equally as small at 1.940.. Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Chevrolet Chevelle 300 Deluxe Coupe 307 V-8 Turbo-Fire Powerglide in 1969 the model with 2-door notchback coupe body and V-8 5025 cm3 / 306.6 cui, 149 kW / 203 PS / 200 hp (SAE gross) offered since September 1968 for North America U.S.. The lengths of all models varied slightly from previous years and now had three different length categories: 4-door models were 200.9 inches, 2-door styles measured 196.9 inches wagons were 207.9 inches long. 1971 chevelle SS conv. All it needs is compression and enough mixture, dual exhaust with stock headers and all is good. Touted as Americas most popular mid-sized cars, Chevelles reached a new height of 439,600 models in production for 1969. All of these engines were available with the three-speed manual transmission as standard equipment, but the four-speed manual and three-speed automatic transmissions were an option. Building any small block with less than a 4-inch bore is senseless. Thats 20 lbs.-ft. off in torque from where it was with the hydraulic lifters on same cam. Stock 200 hp pulls 80mph in first with 2:78 gears. He added the two highest horsepower numbers were with the 830. Chevrolet 1960-1969 / Chevrolet 1970-1979; Chevrolet 307 V8 Engine. In any case, the engine runs much better if I crank it up a bit. If we had put this much effort into a 350 or 383 build it would obviously make more power, Jeff told us, but thats not the point of this build. The compression ratio is 11:1. The standard Super Sport was no slacker either and much more common. I generally set total around 38 degrees around 2500 rpm. 410 @ 3200. Although Super Sport became an "option", the 396ci engine packages were virtually the same as they were in 1968. 11- With integral intake manifold and all CA models. } ATC- After top center EngineLabs Tool Of The Month Summit Racing Pro Ring, Hoard Of Biscaynes, Bel Airs, And Impalas Found In Oklahoma, Cool It: Tips For Selecting The Right Cooling Fan For Your, L5P Duramax Tuning Made Easy With Superchips, Whipple Is Bringing Gen 5s Together With 3.0L Blower And, Boost Life Made Easy With The Summit Racing Pro LS Turbo, The Malibeast Chevelle Is a Supercharged Street, Dakota Digital Answers Your Setup, Calibration, And Warranty, Kelly Harveys Single-Turbo, LSX-Powered Drag-And-Drive, Saved From The Scrap Pile: Pernell Spohns 1960, SEMA 2022: GEARWRENCH Leveled Up With Distinct Quality Hand, Reignite Your Cat Eye Silverado Headlights With, SEMA 2022: Paragon Corvette Adds Performance Parts To, PRI 2022: FuelTech Talks About The Tech Of The FT700, PRI 2022: Concept Performance Now Offers Aluminum LTR, PRI 2022: Get Locked In With Forgeline Beadlock, Creative Automotion: The Art of Farmtruck &, Randy Bolig The Media Mover And Shaker Behind Chevy, How Ken Lingenfelters Love for Corvettes Benefits So, Shop Tour: Brian Tooley Racing Expands To Be A One-Stop, Shop Tour: Prestige Motorsports Is Your One-Stop Hot Rod, Full Factory Tour: How Edelbrock Makes Its Cast Aluminum, HOLY SHIP! Engine: 307 V8: Transmission: 3 Speed Automatic: Color: Frost Green: Interior: Green: Mileage: 31,748 (Unknown) Chassis; Front Wheel Specification: 15" Rear Wheel Specification: 15" Front Tire Specification: 215/70R15: Rear Tire Specification: 215/70R15: Front Brakes Specification: Power Drum: . It lifts the design beyond mere transportation and gives it an upscale look that complements the handsome trim and tidy proportions. 14- Manual trans and Air Injection reactor system. Specifications listing with the performance . document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. (BTDC on this website. The 1968 to 1971 engines have a maximum brake horsepower of 200 at 5,800 revolutions per minute and a torque of 300 foot-pounds at 4,200 rpm. Ive never understood why Chevrolet never hotrodded the 307, which had the same kind of potential as the 283. Soon after, the Chevy 307 V-8 was produced for high-performance marine engines and sold to the Outboard Marine Corp. Rayne is currently pursuing a Bachelor of Science in accounting and psychology through Liberty University. The carpets are plush, the headliner is taut, and the door panels are wonderful bookends in this original stocker. It doesn't say, but I assume this number should be with disconnected vacuum. While a certain amount of this was due to testing standard changes from "gross" (just the engine with no exhaust . 454ci/360hp. Relatively rare in comparison, it can be tough to find a well-sorted specimen, but this one is ready-to-roll. A nice vintage hardtop with a lot going for it, you can enjoy this dialed-in V8 Chevelle for just pennies on the dollar compared to a big block SS. Thanks guys! Id start with a small journal 327, .030 over, a pair of those nice alloy Trick Flow heads, mild torque cam, Q-jet on an alloy speed-bore intake manifold, and shorty block huggers. In my opinion, the best combination was when we made 471/409 horsepower and torque. He wanted double that 200 factory horsepower number. Jeff tells us he has witnessed many 307 builds, but not to the extent of what he was about to build. The 1969 Chevrolet Chevelle and Malibu series included this . Fastener Type Torque Specs ----- Main cap bolt, 396-427 2-bolt 95 ft.-lbs. This, combined with the small chambers, gave us nice tight quench with flat top pistons, which made this engine very efficient, Jeff told us, The long 6.250 inch Crower rods had the pistons dwelling much longer at both TDC and BDC. Good for the street. Chevelle 300 Deluxe: 4dr 6: 116: 3100/3100: 7.35x14: 5 x 4.75: 21,000: Chevelle 300 . He wanted more and without pulling the heads. 1970 Chevrolet Chevelle. It could make a lot of power yet be fuel efficient for the daily driver. This was a great time to be a gear head. The rumbling 307 cubic inch V8 is believed to be the original motor, but as a small block Chevy, you know it runs right and sounds great. Body styles included coupes, sedans, convertibles, and station wagons.The "Super Sport" versions were produced through the 1973 model year and . All 396ci engines were available with chrome valve covers, but only the 350 and 375 horsepower models were equipped with an open-element air filter. The 1972 engine has a maximum brake horsepower of 130 at 4,000 rpm with a torque of 230 foot-pounds . ft/32.5 kgm) at 2400 rpm. . Madison Rayne first started her writing career in May 2008. Here are even more reasons to choose us, And get Exclusive Deals, Inventory Updates, and News, VERY CLEAN SURVIVOR GRADE CHEVELLE! David vizard is badges my brother built a 307 back in the day he revved at 7200 RPM big cam big heads offenhauser high-rise tunnel ram different cams different carbs ended up with a 830 started out with a 750 then a 780 and a dual point Excel distributor he played with the dwell and the springs he always wore it made close to 500 horsepower he beat many a big blocks that were built up 73 LT RS Camaro in the low 12s with a dinky little 307, Es la informacin que buscaba, es algo econmico y gran rendimiento, para un che de calle, el mo un Malib. Chevy rated the horsepower for the COPO Chevelles at 425. The 327 cubic inch displacement top-end carbureted V8 motor has a bore and stroke of 4 inches by 3.25 inches. That indicated 1.5 horsepower per cubic inch. Vehicles with Similar 22.13 HP/Weight Ratio. I also changed rocker ratio to 1.5/1.5 intake/exhaust. He added, I also added a better Canton oil pan with a windage tray and full kick out from Canton.. Of those produced, 99 went to the dealership owned by Don Yenko, a retired race car driver long known for ordering and selling high-powered Camaros and Novas. Call today! Please cant find anything on them. In comparison the '69 specs for the L65 350 2 bbl engine list 0 deg at idle and 36 deg . This was the year thatSuper Sport became a $347 option package that could be added to any two-door Chevelle. 307 V8, UPGRADED TH400 AUTO, PWR STEER/BRKS. The 311ci engine was already producing more than 1.5 HP per cubic inch. V8. 1972 ]. Update: I wiped off the tab and found that the highest reading is 8 degrees, so I set it there and tried it. My name is Bill Cannon and I own AwesomeEngines from Delaware. Horsepower was up 15, but shy of the mark at 486. With benches and a column shifter, it has a very laid-back demeanor that's perfectly appropriate for the Chevelle, and all of it remains in good condition. That first pull was 498 horsepower at 7,200 rpmmighty close to our goal. please note the exact page by its address The engine has AC-R45S-type spark plugs with a 0.035 gap. 396 (RPO L78) 375 @ 5600. 1965 Chevrolet Chevelle . This engine was designed to function well in low-performance vehicles such as sedans and other family-friendly cars. 1968 ] | [ 6.0 sec. if (ie||dom) Coupe/Convertible: 2,845 mm (112.0 in) Beaumont was a make of mid-sized automobiles produced by General Motors of Canada from 1964 to 1969. If we hadnt seen it ourselves, we wouldnt have believed it. Engine type: GM Chevrolet Big-Block V-8 427 L72: Displacement: 7.0 l (427 ci / 6997 cc) . Which one is that? Randy Bolig has been working on cars and has been involved in the hobby ever since he bought his first car when he was only 14 years old. The Saginaw four-speed and the Rock Crusher manual transmissions were available, as was a Turbo 400 automatic. View car. //No need to edit after here This one was the humble Chevrolet 307ci small block, which replaced the venerable 283 that had been in production since the 1950s. Jeff was positive more could be done with the 307. Quarter Mile. The greater spring pressure and solid rollers would allow the engine to rev higher than before., Jeff admits he became greedy about power. 1970 Chevrolet Chevelle SS LS5. Required fields are marked *. By doing so, you added $647.75 to the cost, but your 396ci engine received a pair of large valve aluminum cylinder heads. An 450 HP 454 V8 was available. Jeff put his years of engine building experience to work. Jeff opted for a cool aluminum timing cover. The Fora platform includes forum software by XenForo. Though exterior appearance did not change much from the 1968 Chevelle, the most drastic change in the Chevelle line for 1969 was in its series designations. For a better experience, please enable JavaScript in your browser before proceeding. 10- New .019, used .016 Turn adjusting screw in Clockwise until engine misfires, then turn screw out 1/2 turn, 11- With integral intake I installed new valve springs with titanium retainers that would tolerate the higher rpm ranges expected. Another engine that added excitement to the Camaro was the 302, dispensing 290 horsepower at a high winding 5,800rpm. All Rights Reserved. 396 (RPO L34) 350 @ 5200. With Rochester four-barrel carburetors, 10.25:1 compression, and two-bolt-main block. We'll send you the most interesting Chevy Hardcore articles, news, car features, and videos every week. With a believed-original engine and a survivor presentation, this is the one to one if you love the original Bowtie design. Unauthorised republishing prohibited. Consider the cost of insuring a car before you buy, if the lower rate insurance is your highest priority. Classic Rally wheels and grippy 215/70/15 BFGoodrich white-letter radials give it just the right look to finish of this survivor-grade beauty. Lime Green Metallic looks better on the 1969 Chevelle than almost anything else. Because we make it easy for you to get more money in your pocket. Most of us use a dial back timing light. Chevelle enthusiasts are typically divided into a few camps: some prefer the mid 60's square body design, while many others maintain the 70-72 years are the golden era. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Not only did the Malibu contain its usual sport sedan, sport coupe, convertible and 4-door sedan, it also represented the two Concours station wagon lines. If you want to race, build a race car. Very pleased with the results, Jeff told us, Weve made more than a hundred horsepower from the 307/311 without ever pulling the heads., Throughout the process, we performed several timing test pulls. David Vizard could have told you exactly which cam you needed for this engine, instead of trying 2 or 3 different cams. The 396 engine option was offered again with 325, 350, and 375hp and in late model year, the 396 was bored out to 402 cubic engines, reportedly to meet new emission standards. This was only available as a Central Office Production Order. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. The stone stock L78 proves GM was underrating things back in the day. My 69 Chevy C10 has the original 307, 2 barrel with an HEI system and Ive always felt like it has a lot more tiger in its tank than Im giving it credit for!! He dialed in 35 degrees of total timing and pushed it to 7,400 rpm and got 505.5 horsepower and 394 lbs.-ft. of torque at 5,900 rpm. Despite Jeffs best effort, he understood there was a lot of power sleeping in the petite Chevy small blockmore than he even knew or expected. Plenty of low-end torque. With the absence of the 300 series, the lowest priced Chevelle for 1969 was the 300 DeLuxe 2-door coupe, priced at $2,531. Chevy Orange valve covers match the block, and the blacked-out snorkeled air cleaner adds a bit of flash for when you want to open the hood at the next cruise night, while a big radiator keeps it nice and cool up front. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. I'd limit the vacuum advance to 15 deg max. Other models available in the 300 DeLuxe line were the Sport Coupe, 4-door sedan and the Greenbrier Wagon, whose named had been taken from the recently defunct Corvair line and represented the middle-range Chevelle wagon. That netted 471 horsepower at 6,500 rpm with torque coming in at 409 lbs.-ft. at 5,500 rpm. Lime Green Metallic looks better on the 1969 . 4-Door Sedan; . Therefore, only the 300 DeLuxe and Malibu remained as designated series for the line. If you want a cam for a bit more hp, go for a torquer and avoid anything that just moves things up the rev range. var dom=document.getElementById&&navigator.userAgent.indexOf("Opera")==-1 To increase the piston dwell time, I have opted for a long 6.250 inch rod combined with custom pistons with a 1.125 inch compression height to get 10.75:1 compression, Jeff commented. The Chevy 307 V-8 engine was introduced in 1968 to replace the Chevy 283 V-8. 16- CA 600 rpm Jeff was positive more could be done with the 307. Body Styles. While engine at normal operating temperature and transmission in D" dwell should be at 30 and ignition should be 8 BTDC (Idle Speed 550 rpm). The horsepower and torque of the Chevy 307 engine varied slightly from 1968 to 1973. What's more, the 327's 3.250 inch stroke made the 307 a clear winner. 1969 Chevelle SS 396 Engine Lineup. Summit Racing stocks a huge variety of piston ring compressors, StreetBurner Trick Flow dual-plane intake manifold, Summit Racing stocks a wide variety of terrific silicone gaskets. The interior colors for the 300 DeLuxe lines were limited to black, blue or medium green for cloth-and-vinyl interiors, or an all-vinyl interior in black. Power steering promotes effortless two-finger cruising, while power brakes help stop the Chevelle on a dime. 2023 Power Automedia. V8-307: 2 Barrel: 3.875 x 3.25: 307: 9.00: 200 @ 4600: 300 @ 2400: 30-45: AC R45S . All I can find have the VA on them. var ie=document.all&&navigator.userAgent.indexOf("Opera")==-1 One interesting fact regarding the Chevy 307 V8 was that it was also manufactured by GM for boat use and sold by the Outboard Marine Corporation as a high performance marine engine. It could make a lot of power yet be fuel efficient for the daily driver. 1970 would see GM lift its ban on engines over 400 cubic inches, and the Chevelle would respond with one of the most powerful models ever produced. I would of filled the block to 1-1/2 from the deck and plate honed it for sure. Your email address will not be published. : anything will do from power packs to 305s. However, when an automatic transmission was ordered, all engines were equipped with a closed air-cleaner assembly. Jeff could have easily infused a lot of compression and cam into the little 307 and built a monster mill. The engine uses a bore and stroke of 3.875 inches by 3.25 inches. What I feel I learned at this point is that because the cam was essentially the same specs as before, the torque number should not have dropped that much. Many dyno tests have proven that long rods are a waste of money. $58,900. This is a street engine with only 10.75 to 1 compression, which will run well on pump gas and nobody will ever believe its a 307.. The engine delivers its power through to the wheels by means of a 3 speed manual gearbox. Save my name, email, and website in this browser for the next time I comment. The paint is likely original, or at least a very old repaint, so it has a few signs of age, but you'll still be proud to show up in this hardtop at the local cruise night and the color hides imperfections quite well. Chevy borrowed the 327s crank, which made it easy to increase the 283s displacement to 307. 1969 ] | [ Its stated kerb weight is 1578 kg. It lifts the design beyond mere transportation and gives it an upscale look that complements the handsome trim and tidy proportions. That's only 30 deg total advance (initial plus mech) which isn't much for a small block Chevy. Performance Model. Marine versions with four-barrel carburetion made 240, Jeff commented. The big news for 1969 was the introduction of the 425 horsepower L72 427ci engine. If you think there is something in error, 30+ days ago. fastestlaps. Jeff opted for Trick Flow (#30310003) cylinder heads and intake, which were ported for a perfect match and improved flow. That's only 30 deg total advance (initial plus mech) which isn't much for a small block Chevy. In a mild climate delete the exhaust flapper valve. 1969 CHEVELLE SS396,ORIGINAL #'S MATCH,GOT IN 1978,(In 2001 rblt/bored original 396 .030 to 402)/M20/12BOLT/3:31'S . Copyright 2023 Leaf Group Ltd. / Leaf Group Media, Newton Ask a Scientist: Engine Terminology. Use 3:08 gears, and everything is good. Because this is not a budget build, but more an experiment, not many will be interested in trying this. Image courtesy Chevelle Stuff. 14.2 sec @ 100.0 mph. Jeff reflects on this purely experimental project. Jeffs first trip to the dyno netted 401 horsepower at 6,400 rpm and 372 lbs.-ft. of torque at 4,600 rpm, which doubled factory 200 horsepower ratings. 1971 ] | [ Stepping up a little meant that you could get the 375 horsepower L78 engineagain this year with an 11.0:1 compression ratio, solid-lifter camshaft, and a Holley four-barrel carburetor on an aluminum intake. That and a freeflowing exhaust with 3.08s and a 4 speed. 307 cubic inch 200 horsepower V8 (base) 1969 Chevelle Malibu Information. var iframeprops='width=950 height=250 marginwidth="0" marginheight="0" hspace="0" vspace="0" frameborder="0" scrolling="no"' Specifications listing with the performance . emission system (A.I.R). Though the 1969 Chevelles, even with the SS 396 package, were as powerful as they had been for the previous few years, muscle car enthusiasts were demanding even more power. Please ask for the full description. I'd feel safe bumping your initial up to 8 deg at idle (with vac adv disconnected). 4 - With Air Injection reactor dark rosewood metallic w/ black top/stripes/int. 12- CA 4 BTDC. 1968 Chevrolet Chevelle. For a 37-year-old engine, a peak of 230hp at 5,000 rpm and 278 lb-ft torque at 4,000 rpm are quite impressive. The engine was used in lower performance oriented family type cars and was equipped with a 2 . This would trim 100 lbs and more from the motor so you could stick 300 hp in a European sport car or a Toyota Celica, perhaps? Other than name changes and some slight body style tweaks, the big news of the year for the Chevelle was the 454 cubic . Thats all and you have 240-250 hp and GOOD TORQUE that idles and runs nicely with your auto or manual tranny. This car simply looks great. It works by regulating the ratio of air and fuel, and controlling the engine's speed. document.write('') Lime Green Metallic looks better on the 1969 Chevelle than almost anything else. Since this applied to the 300 DeLuxe series as well as the Malibu series, the SS 396 could be more affordable than ever. Hauling around an Impala? Set the dial and use 0 on the timing tab. var randomcontent=new Array() Then I raised it to 10 degrees (eyeballing outside the tab) just for fun, and had a noticeable bog when I hit it from part throttle. V8. . It worked great, snappy throttle, good acceleration, ran like a champ. 415 @ 3400. The browser you are using is no longer supported! If I were recurving a stock 307 engine dist I'd set it up with about 26 deg centrifugal, all in at about 3000 rpm, which would allow 10 deg initial. In comparison the '69 specs for the L65 350 2 bbl engine list 0 deg at idle and 36 deg centrifugal, for 36 deg total. Total timing of 35 degrees BTDC was all it needed. [ 1964 ] | [ When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Not only did the 1970's Chevelles usher in a new decade, they also saw the peak of muscle car performance. } The 307 has the bore advantage over the more popular 305/5.0L engine3.875 inches over the 305's smaller 3.736. Vehicle information, history, and specifications from concept to production. 15- Also Monte Carlo. Build your own custom newsletter with the content you love from Chevy Hardcore, directly to your inbox, absolutely FREE!