We wound up with 1.625 horsepower per cubic-inch! The 311ci engine was already producing more than 1.5 HP per cubic inch. There are over 1300 pages and 8500 images 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. There were twobig changes for Chevrolets Chevelle in 1969. We'll send you the most interesting Chevy Hardcore articles, news, car features, and videos every week. 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. What made those numbers even more impressive was the fact that after we had removed . 30052, Loganville, GA. 1969. I would of filled the block to 1-1/2 from the deck and plate honed it for sure. Depending on which box you checked on the order form, your 350ci engine delivered either 255 or 300 horsepower. How cool is that?! This one was the humble Chevrolet 307ci small block, which replaced the venerable 283 that had been in production since the 1950s. 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. The 307 is a large-journal 327 with 1/8 inch smaller bore. The engine was used in lower performance oriented family type cars and was equipped with a 2 barrel carburetor. Thats 20 lbs.-ft. off in torque from where it was with the hydraulic lifters on same cam. None of the COPO Chevelles built were Super Sport models, they were all built from base coupes with the $860 COPO option package. 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. 1970 Chevrolet Chevelle Series 1969 Baldwin-Motion SS427 Phase III Chevelle. In the 1967 SS396 Chevelle the standard engine was called the 325-hp Turbo-Jet 396 V-8. She has written numerous articles for various online publications. The Concours Estate wagon was the top of the line Chevelle wagon with wood-grain sides and standard features like a boarding step. //For full source code, and Terms Of use, visit http://dynamicdrive.com 396 (RPO L34) 350 @ 5200. The muscle car era was coming to an end. The L72 used a solid-lifter camshaft, cast-iron heads, and an aluminum intake manifold with an 800-cfm Holley carburetor. Under resto. Jeff was going to close the gap. Horsepower was up 15, but shy of the mark at 486. This year, the 327ci engine was dropped from the lineup in favor of the 350ci engine. 13- CA 6 BTDC. The Chevy 307 V-8 engine was introduced in 1968 to replace the Chevy 283 V-8. 81 Chevy 305 y caja de 4 gracias. 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. We have much more information about the ever . One of them was that the SS 396 was no longer a standalone model, and the other had to do with engine availability. The engine has AC-R45S-type spark plugs with a 0.035 gap. //Specify random URLs to display inside iframe 307 V8, UPGRADED TH400 AUTO, PWR STEER/BRKS. We used to call them Belly Button Motors because everyone had oneright? Ive never understood why Chevrolet never hotrodded the 307, which had the same kind of potential as the 283. well, a 307 will also do that pretty well. Zero to Sixty. It was his belief we needed more rpm to pass 500 horsepower. 10- New .019, used .016 Turn adjusting screw in Clockwise until engine misfires, then turn screw out 1/2 turn, 11- With integral intake Those very low initial advance specs are for emissions purposes. Whats The Reason Enthusiasts Cant Get, Yes I Am A Dinosaur, And Why I Feel Electric Cars, EngineLabs Tool Of The Month Summit Racing Pro Ring Filer, Hoard Of Biscaynes, Bel Airs, And Impalas Found In Oklahoma Barn, Cool It: Tips For Selecting The Right Cooling Fan For Your Ride, Harrop Engineering Goes Behind The Scenes At Mast Motorsports, Fenix Is A Next-Gen 69 Camaro With 1,180 Horsepower, Shop Tour: Brian Tooley Racing Expands To Be A One-Stop Shop, Moroso Anti-Roll Kit Is The Right Tool For The Dragstrip. Copyright 2023 Classic Cars for Sale - Streetside Classics - Sell My Classic Car. Torque Specs | Team Chevelle Jeff went back to the dyno with fresh 5w30 Mobil1 synthetic, then warmed up the engine. 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. Lime Green Metallic looks better on the 1969 . Chevy 307 V8 Engine, Specs and Horsepower : Engine Facts.com if (ie||dom) Top Contributors this Month View All J. just_a . Please ask for the full description. Engine type: GM Chevrolet Big-Block V-8 427 L72: Displacement: 7.0 l (427 ci / 6997 cc) . . 1972 Chevrolet Chevelle. View car. 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. Plenty of low-end torque. The compression ratio is 11:1. David Vizard could have told you exactly which cam you needed for this engine, instead of trying 2 or 3 different cams. In any case, the engine runs much better if I crank it up a bit. The Chevy 307 V8 engine came along in 1968 to replace the Chevy 283 V8. most really don't pay attention initial timing. 325 @ 4800. Call today! Vehicles with Similar 22.13 HP/Weight Ratio. The regular SS 396 accessory package included the same 325horsepower engines as the 1968 SS 396 Sports Coupe, but could be upgraded to the 350horsepower model and, later, the 375horsepower version. Since the SS 396 was gone as a series unto itself, it could now be added to any 2-door Chevelle for $347.60. var iframeprops='width=950 height=250 marginwidth="0" marginheight="0" hspace="0" vspace="0" frameborder="0" scrolling="no"' Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! 1969 Chevelle Factory Specifications and Chevelle Parts. 1969 Chevrolet Chevelle SS 396. This article is very instructive about what gets you where, most interesting. 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. Thank you, This hits close to home. The big news for 1969 was the introduction of the 425 horsepower L72 427ci engine. The browser you are using is no longer supported! 1969 Chevelle Parts and Restoration Information - SS396.com TDC- Top dead center. Continue with Recommended Cookies. He wanted more and without pulling the heads. The small journal crank was sweet but the Hp and torque you done were impressive. 1970 Chevrolet Chevelle. 2) Horsepower/Torque Curve Your email address will not be published. 15- Also Monte Carlo. Power. I would have just put the black mamba lifter in with a cam not like yours but for sure used a 106 lobe separation. Not being an SS doesn't mean the interior isn't a performance-oriented place to do business in comfort and style. Long Rod Chevy 307 = Big Power - OnAllCylinders All I can find have the VA on them. ft/32.5 kgm) at 2400 rpm. I would of done it differently and I never use silicone on a rear main seal or the deck. I have often wondered how light you can get a SBC and still GO.