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. The performance on a Chevelle COPO was truly amazing. 1969 Chevrolet Yenko Chevelle COPO 427 specs, 0-60, performance data, top speed, engine specifications, pictures. 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. Here are even more reasons to choose us, And get Exclusive Deals, Inventory Updates, and News, VERY CLEAN SURVIVOR GRADE CHEVELLE! solenoid disconnected. With that power your block is suspectable to splitting. 10- New .019, used .016 Turn adjusting screw in Clockwise until engine misfires, then turn screw out 1/2 turn, 11- With integral intake Your email address will not be published. The Chevy 307 V8 engine came along in 1968 to replace the Chevy 283 V8. gasoline (petrol) engine with displacement: 5025 cm3 / 306.6 cui, advertised power: 149 kW / 200 hp / 203 PS ( SAE gross ), torque: 407 Nm / 300 lb-ft, more data: 1969 Chevrolet Chevelle Malibu Sport Coupe 307 V-8 Turbo-Fire Powerglide (aut. 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. Jeff was positive more could be done with the 307. Civil for the street and coming on strong at wide-open throttle for the freeway and strip. 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. Super Sport equipment could now be ordered with any V-8 engine, including the base 307-cubic-inch version. Information and specs on the Chevy 307 V8 Engine. These are standard specifications - not necessarily specifications for the vehicle(s) in the photo(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. Never again would this much power be built into these cars. Lime Green Metallic looks better on the 1969 Chevelle than almost anything else. In the 1967 SS396 Chevelle the standard engine was called the 325-hp Turbo-Jet 396 V-8. Many dyno tests have proven that long rods are a waste of money. //This credit MUST stay intact for use . With 425 hp at 5,800 rpm and 445.4 lb-ft at 3,600 rpm, we are a full 50 hp higher than showroom claims. Required fields are marked *. His efforts proved out as predicted at twice the factory numbers. Hauling around an Impala? Main cap bolt, 396-454 4-bolt (inner/outer) 110 ft.-lbs. 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. Unlike in 1968, you could now order the L89 package 396ci engine. Jeff opted for a cool aluminum timing cover. That would give you 36 total if your dist is still in spec. 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. Chevrolet produced a limited number of COPO Chevelles, specially ordered from the factory by specific dealers and a few select customers. 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. 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. 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.. Zero to Sixty. if (ie||dom){ 4 - With Air Injection reactor We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. //Specify random URLs to display inside iframe The 1973 engine has a maximum brake horsepower of 115 at 3,600 rpm with a torque of 205 foot-pounds at 2,000 rpm. 1969 Chevrolet Chevelle. 1972 Chevrolet Chevelle. These fabulous heads could have been used out of the box, however, Jeff wanted maximize the 307s potential with a good port job. How much would it cost to build the 400 hp version and would you be interested in building one for me? The custom pistons are pricey as well as those connecting rods. Those very low initial advance specs are for emissions purposes. An example of data being processed may be a unique identifier stored in a cookie. 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. TDC- Top dead center. If we hadnt seen it ourselves, we wouldnt have believed it. document.getElementById("dynstuff") : document.all.dynstuff in your browser's window when reporting it. We also added a complete MSD ignition system to keep everything lit at high revs.. Makes me want to build a 307 just to have someone ask What Are You Running for a engine??? New for 1969 was the 350ci engine. The engine has AC-R45S-type spark plugs with a 0.035 gap. Because we make it easy for you to get more money in your pocket. 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. Bench Racing Performance Engine Body Shop Chevelle Tech. Your email address will not be published. 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. Use 3:08 gears, and everything is good. } View car. The 307 V8 by Chevrolet was built between 1968 and 1973. . 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. However, there is another group out there, who really prefer the 69 with its unique one-year-only looks. The torque rating is 350 lb-ft. at 4,000 rpm. on this website. var ie=document.all&&navigator.userAgent.indexOf("Opera")==-1 Vehicles with Similar 22.13 HP/Weight Ratio. One was a Holley HP 750cfm with vacuum secondaries while the other was an 830 cfm HP.. Not bad for the little 307 Chevy., Jeff went on to say with the smaller 750 HP with vacuum secondaries, it would use less gas than a 350. The L72 used a solid-lifter camshaft, cast-iron heads, and an aluminum intake manifold with an 800-cfm Holley carburetor. 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. I would have sped up the piston speed with a 5.7 connecting rod and that is even to long. 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. 0-60 times for 13465 cars and 307 bikes. 30+ days ago. Right off the assembly line, the 307 delivered 200 horsepower and 300 lbs.-ft. of torque. Zero to Sixty. The engine delivers its power through to the wheels by means of a 3 speed manual . Ive never understood why Chevrolet never hotrodded the 307, which had the same kind of potential as the 283. 11- With integral intake manifold and all CA models. 9 - Marketed as 396 but The engine was used in lower performance oriented family type cars and was equipped with a 2 barrel carburetor. 1971 Chevelle Malibu 307 2001 Triumph T509 2000 Audi B5 1.6. 30052, Loganville, GA. 1969. Vinyl tops were made available for all coupe and sedan models. Building any small block with less than a 4-inch bore is senseless. The Chevrolet Chevelle is a mid-sized automobile that was produced by Chevrolet in three generations for the 1964 through 1978 model years.Part of the General Motors (GM) A-body platform, the Chevelle was one of Chevrolet's most successful nameplates. The number I recall from last time is 36 total, but the scale on the pointer is one of those stupid "0" to "A" so I haven't been able to check. Registries for Chevelle/Camaro/Nova/HHR. $58,900. A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. All Rights Reserved. We will safeguard your e-mail and only send content you request. Under resto. 16- CA 600 rpm 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. Thats 20 lbs.-ft. off in torque from where it was with the hydraulic lifters on same cam. For a better experience, please enable JavaScript in your browser before proceeding. With those heads and a mild cam .420 lift it would make a great cruiser. The carpets are plush, the headliner is taut, and the door panels are wonderful bookends in this original stocker. I'll probably have to mark it on the damper instead to get a more accurate reading. 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. Build your own custom newsletter with the content you love from Chevy Hardcore, directly to your inbox, absolutely FREE! 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. How cool is that?! The marine version of this engine produced between 235 and 245 horsepower and even used the same aluminum valve covers that were used in Corvettes and Camaro Z-28s.if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[580,400],'enginefacts_com-medrectangle-3','ezslot_2',115,'0','0'])};__ez_fad_position('div-gpt-ad-enginefacts_com-medrectangle-3-0'); Engine Facts 2023. It could make a lot of power yet be fuel efficient for the daily driver. 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. A Celica 5-sp will cope with 300 hp. Learn how your comment data is processed. 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 1972 engine has a maximum brake horsepower of 130 at 4,000 rpm with a torque of 230 foot-pounds . In any case, the engine runs much better if I crank it up a bit. I installed new valve springs with titanium retainers that would tolerate the higher rpm ranges expected. Not being an SS doesn't mean the interior isn't a performance-oriented place to do business in comfort and style. if (ie||dom) 1966 ] | [ well, a 307 will also do that pretty well. The consent submitted will only be used for data processing originating from this website. 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. L6. We'll send you the most interesting Chevy Hardcore articles, news, car features, and videos every week. 1966 Chevrolet Chevelle. This year, the 327ci engine was dropped from the lineup in favor of the 350ci engine. This was only available as a Central Office Production Order. The hydraulic cam does not have clearance ramps so I set the lash at zero cold. The PRO L35 - The Base Engine, A 396 cubic inch (6.5 L) engine rated at 325 horsepower. Id like to keep original engine in it, but would love around 375 hp, I dont have anyone local who can build it, any ideas, What bearing spacers where used ugg trying to build this motor. Prev--- Chevrolet 1969 General Specs ---> Next |engine|chassis| Engine Engine: Carb: Bore and Stroke: Piston Dis place ment Cubic Inches: Com pres sion Ratio (Stan dard) . 1967 ] | [ 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. The Concours wagon was a slightly downgraded model from its Estate sibling, still featuring all-vinyl interiors and new full-coil suspension found in all the 1969 Chevelles. 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. Known as the Chevelle COPO 427, this run used the L 72 engine from the larger Chevy lines, a 427 cubic inch V-8. Jeff knew it was going to take higher rpms to achieve 500. Thank you, This hits close to home. The Chevy 307 V8 engine came along in 1968 to replace the Chevy 283 V8. or Mark). 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. Most of us use a dial back timing light. He added the two highest horsepower numbers were with the 830. Jeff reflects on this purely experimental project. Obviously a few degrees too many. and Air Injection reactor system, Ignition Timing The Chevy 307 V-8 has an oil pressure range of 30 to 45 pounds per square inch (psi). Home hevrolet hevelle 1969 Chevelle. Manage Settings 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!! Lime Green Metallic looks better on the 1969 . Engine Used. Image courtesy Chevelle Stuff. ft/32.5 kgm) at 2400 rpm. That and a freeflowing exhaust with 3.08s and a 4 speed. He wanted to make the most of 307ci, with a 0.030 inch overbore to 311ci, with 3.905 inch bores. 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. Chevy rated the horsepower for the COPO Chevelles at 425. Since the SS 396 was gone as a series unto itself, it could now be added to any 2-door Chevelle for $347.60. In the C10 truck with the same specifications, including 10.25:1 compression and the requirement to burn . lower speed indicates idle 1971 Chevrolet Chevelle. 454ci/360hp. My name is Bill Cannon and I own AwesomeEngines from Delaware. 1965 Chevrolet Chevelle . Jeff was positive more could be done with the 307.

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