In the 1967 SS396 Chevelle the standard engine was called the 325-hp Turbo-Jet 396 V-8. In late 1969, Chevrolet increased the 396ci displacement to 402ci, but the 396 badgingwas left alone to retain the cars brand image. 307 Chevy Dyno Test - Super Chevy Magazine - MotorTrend I would of filled the block to 1-1/2 from the deck and plate honed it for sure. Bench Racing Performance Engine Body Shop Chevelle Tech. randomcontent[2]="http://chevellestuff.net/sidebar/random03.htm" 1970 Chevrolet Chevelle. Power and Output. You're just jealous because you can't hear the voices! My name is Bill Cannon and I own AwesomeEngines from Delaware. After 1973 the 307 was chopped from the GM line engine lineup. 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. 2023 Power Automedia. 14.2 sec @ 100.0 mph. The horsepower and torque of the Chevy 307 engine varied slightly from 1968 to 1973. Since the cam had lash it became slightly smaller. More horsepower same torque. Please ask for the full description. 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. The Chevy 307 V-8 has an oil pressure range of 30 to 45 pounds per square inch (psi). 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. 4 - With Air Injection reactor 1969 CHEVELLE SS396,ORIGINAL #'S MATCH,GOT IN 1978,(In 2001 rblt/bored original 396 .030 to 402)/M20/12BOLT/3:31'S . Miraculously, it remains a standard Malibu Chevelle, not an SS clone, but that does nothing to dilute the handsome good looks of any 1969 Chevelle hardtop. 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. Learn how your comment data is processed. Madison Rayne first started her writing career in May 2008. This 1969 Chevelle Convertible looks very much like it did when it sold new except for a couple positive additions. 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. 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. Jeff was going to close the gap. I would have sped up the piston speed with a 5.7 connecting rod and that is even to long. We also added a complete MSD ignition system to keep everything lit at high revs.. 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. In a mild climate delete the exhaust flapper valve. 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. What made those numbers even more impressive was the fact that after we had removed . $58,900. 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. 396 (RPO L78) 375 @ 5600. Since the SS 396 was gone as a series unto itself, it could now be added to any 2-door Chevelle for $347.60. I have tried to set the timing as per the Haynes manual (2 degrees @ 700 rpm), but it doesn't seem to work very well. 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. Better selection of heads. 10- New .019, used .016 Turn adjusting screw in Clockwise until engine misfires, then turn screw out 1/2 turn. Your email address will not be published. TDC- Top dead center. Chevy 307 V8 Engine, Specs and Horsepower : Engine Facts.com 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. if (ie||dom){ and Air Injection reactor system, Ignition Timing Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Chevrolet Chevelle Malibu Sport Coupe 307 V-8 Turbo-Fire in 1969 the model with 2-door hardtop 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.. Jeff quips, I have seen aluminum rod engines with a heavier weight than that!. 13- CA 6 BTDC. The compression ratio is 9-to-1. var dom=document.getElementById&&navigator.userAgent.indexOf("Opera")==-1 . Malibu Series 36 V8 Convertible 2 dr. 6 P : 1969 Chevrolet Chevelle Series Specifications. 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. However, when an automatic transmission was ordered, all engines were equipped with a closed air-cleaner assembly. 1969 Chevrolet Chevelle Series Specifications - Conceptcarz.com He opted for a small journal 327 forged steel crank with bearing spacers for the large main journal block. 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. Power. 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). Engine Type Cubic Inches. That first pull was 498 horsepower at 7,200 rpmmighty close to our goal. Please choose to download one of the following options for an improved browsing experience: Chrome (Download ), Microsoft Edge ( Download ) or Mozilla Firefox ( Download ). This was only available as a Central Office Production Order. I'll probably have to mark it on the damper instead to get a more accurate reading. He wanted double that 200 factory horsepower number. When it was introduced in 1968 the 307 was rated at 200 horsepower at 4,600 rpm and 300 foot pounds of torque at 2,400. All I can find have the VA on them. or Mark). : anything will do from power packs to 305s. The pickup in the HEI and big cap work better than you think and you used the MSD anyway. 1967 Chevrolet Chevelle. 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). Chevrolet produced a limited number of COPO Chevelles, specially ordered from the factory by specific dealers and a few select customers. Most of us use a dial back timing light. That distributor doesnt appear to have a vacuum advance on it. The 1969 Chevrolet Chevelle Series measures 75.70 inches in width, The 1969 Chevrolet Chevelle Series measures 201.00 inches in length, and has a wheelbase of 116.00 inches. It lifts the design beyond mere transportation and gives it an upscale look that complements the handsome trim and tidy proportions. 1969 Chevelle Factory Specifications and Chevelle Parts. The big news for 1969 was the introduction of the 425 horsepower L72 427ci engine. //Specify IFRAME display attributes The 327 cubic inch displacement top-end carbureted V8 motor has a bore and stroke of 4 inches by 3.25 inches. A better small engine would be a 3-inch stroke crankshaft in a 4-inch bore block with 5.98-inch long rods. The 307ci engine was first produced in 1968. The greater spring pressure and solid rollers would allow the engine to rev higher than before., Jeff admits he became greedy about power. Chevrolet Chevelle Performance Statistics, Plymouth Barracuda Performance Statistics. That netted 471 horsepower at 6,500 rpm with torque coming in at 409 lbs.-ft. at 5,500 rpm. Chevrolet produced the 307 from 1968-73, which means there are a lot of cores out there waiting to be rescued and built. Like Ford with the 289 turned 302, Chevy stroked the 283 to 307ci. Although Super Sport became an option, the 396ci engine packages were virtually the same as they were in 1968. 30+ days ago. The 307 V8 by Chevrolet was built between 1968 and 1973. . I installed new valve springs with titanium retainers that would tolerate the higher rpm ranges expected. He performed a simple cam swap to a Comp Cams 242/248 duration (0.576/0.562 inch lift intake/exhaust) with 110 lobe centers (#12-443-8) and an intake swap to an Edelbrock single plane Victor Jr. with an in-depth port job along with a Wehrs carb spacer and a Melling billet one-piece oil pump with Shark Tooth Technology. 1970 Chevelle - Muscle Car Facts manifold and all CA models, 14- Manual trans Fastener Type Torque Specs ----- Main cap bolt, 396-427 2-bolt 95 ft.-lbs. Timing on '69 307? | Team Chevelle The 307 has the bore advantage over the more popular 305/5.0L engine3.875 inches over the 305s smaller 3.736. V8. Chevrolet Yenko Chevelle COPO 427 specs, 0-60, performance data Horsepower. Under resto. The 327 Chevy engine has 365 horsepower at 3,200 rpm. The V8 series got the standard 210-horsepower 327. The secret is in the velocity and turbulence of the fuel/air mixture. 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. It doesn't say, but I assume this number should be with disconnected vacuum. All rights reserved. The compression rating is 140 pounds per square inch. The 307 is a large-journal 327 with 1/8 inch smaller bore. 7.6 sec. He substituted the hydraulic roller tappets with mechanical solid rollers from Comp Cams with the hydraulic roller cam he already had. What's more, the 327's 3.250 inch stroke made the 307 a clear winner. It could make a lot of power yet be fuel efficient for the daily driver. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Quarter Mile. This car simply looks great. 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. 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. 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