1969 Chevelle SS 396 Engine Lineup. Known as the Chevelle COPO 427, this run used the L 72 engine from the larger Chevy lines, a 427 cubic inch V-8. 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. //For full source code, and Terms Of use, visit http://dynamicdrive.com 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. 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. This type of carburetor performs well in low-performance vehicles. View car. The '69 Chevy Service Manual specs list the 307 at 2 deg BTDC at idle (with vacuum adv disconnected) and max centrifugal advance of only 28 deg BTDC at 4300 rpm. 1969 Chevrolet Chevelle. Panel alignment and door gaps are quite good, and the light pinstripe that runs the length of the car gives it a sleek look that proves you don't need SS stripes to have a great-looking A-body. It could make a lot of power yet be fuel efficient for the daily driver. fastestlaps. 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. Let's see what headers . 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. Lime Green Metallic looks better on the 1969 Chevelle than almost anything else. 410 @ 3200. Hauling around an Impala? Home hevrolet hevelle 1969 Chevelle. These are standard specifications - not necessarily specifications for the vehicle(s) in the photo(s). 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. Required fields are marked *. I would have sped up the piston speed with a 5.7 connecting rod and that is even to long. . 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. In Jeffs mind, the 307 was a sleeper. 15.4 sec @ 92.0 mph. The 325-horsepower engine used a black side-snorkel air cleaner with a chrome lid. Your email address will not be published. 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. The 1972 engine has a maximum brake horsepower of 130 at 4,000 rpm with a torque of 230 foot-pounds . Please choose to download one of the following options for an improved browsing experience: Chrome (Download ), Microsoft Edge ( Download ) or Mozilla Firefox ( Download ). Chevelle 300 Deluxe: 4dr 6: 116: 3100/3100: 7.35x14: 5 x 4.75: 21,000: Chevelle 300 . The block was align-honed and fitted with ARP studs. The Chevy 307 V8 engine came along in 1968 to replace the Chevy 283 V8. Total timing of 35 degrees BTDC was all it needed. Jeff tells us he has witnessed many 307 builds, but not to the extent of what he was about to build. 14.2 sec @ 100.0 mph. By doing so, you added $647.75 to the cost, but your 396ci engine received a pair of large valve aluminum cylinder heads. The V8 series got the standard 210-horsepower 327. He added the two highest horsepower numbers were with the 830. Either way I am not going to start to building 307s because there is plenty of them, for anyone. Because this is not a budget build, but more an experiment, not many will be interested in trying this. That would give you 36 total if your dist is still in spec. The Chevy 307 V-8 has a displacement of 5.0 liters, or 307 cubic inches. //Specify random URLs to display inside iframe randomcontent[1]="http://chevellestuff.net/sidebar/random02.htm" Not only did the 1970's Chevelles usher in a new decade, they also saw the peak of muscle car performance. Jeff was going to close the gap. Thats when he became hell bent to pass the 500-horse mark. Power. 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. Set the dial and use 0 on the timing tab. Very nice build. Stock 200 hp pulls 80mph in first with 2:78 gears. Madison Rayne first started her writing career in May 2008. and Air Injection reactor system, Ignition Timing Performance Model. 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 rated the horsepower for the COPO Chevelles at 425. This one was the humble Chevrolet 307ci small block, which replaced the venerable 283 that had been in production since the 1950s. It also raised the idle to the point where I couldn't back the screw out far enough to get it right. You can use 1.94 or 1.84 intake valves in a good set of heads WITH SMALL CHAMBERS. 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 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). Reportedly to meet new emissions standards, the late-1969 models were held 402 cubic inch engines, though the official name was never changed. 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. Thank you, This hits close to home. V8. 1969 Chevelle Factory Specifications and Chevelle Parts. It doesn't say, but I assume this number should be with disconnected vacuum. var iframeobj=document.getElementById? Call today! 1971 ] | [ That and a freeflowing exhaust with 3.08s and a 4 speed. 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. We will safeguard your e-mail and only send content you request. V8-307: 2 Barrel: 3.875 x 3.25: 307: 9.00: 200 @ 4600: 300 @ 2400: 30-45: AC R45S . 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). Your email address will not be published. 14- Manual trans and Air Injection reactor system. The 311ci engine was already producing more than 1.5 HP per cubic inch. I generally set total around 38 degrees around 2500 rpm. Youve seen hundreds of thousands of them in Chevelles, Novas, Camaros, and untold other mainstream Chevys. Loved the article. Body Styles. The secret is in the velocity and turbulence of the fuel/air mixture. 11- With integral intake manifold and all CA models. 1972 Chevrolet Chevelle. 81 Chevy 305 y caja de 4 gracias. 10- New .019, used .016 Turn adjusting screw in Clockwise until engine misfires, then turn screw out 1/2 turn. 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. 1968 ] | [ David Vizard could have told you exactly which cam you needed for this engine, instead of trying 2 or 3 different cams. An example of data being processed may be a unique identifier stored in a cookie. Better selection of heads. 2) Horsepower/Torque Curve . 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. 7.6 sec. This 1969 Chevelle Convertible looks very much like it did when it sold new except for a couple positive additions. The engine was used in lower performance oriented family type cars and was equipped with a 2 barrel carburetor. It worked great, snappy throttle, good acceleration, ran like a champ. 31,740 Miles. We have much more information about the ever . //No need to edit after here Jeff knew it was going to take higher rpms to achieve 500. emission system (A.I.R). Another engine that added excitement to the Camaro was the 302, dispensing 290 horsepower at a high winding 5,800rpm. And use 98 RON, dont penny-pinch on the fuel! Zero to Sixty. Thanks for sharing. 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. Therefore, only the 300 DeLuxe and Malibu remained as designated series for the line. 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. 1969 CHEVELLE SS396,ORIGINAL #'S MATCH,GOT IN 1978,(In 2001 rblt/bored original 396 .030 to 402)/M20/12BOLT/3:31'S . This was a great time to be a gear head. 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. That would be best combo to use on the street for both the commute and play, Jeff commented, I believe if I put the hydraulic roller back in it with the better valve springs and the Canton oil pan, we would conservatively make 475+ horsepower and 410 lbs.-ft. of torque. They were good solid dependable engines with a long legacy of service. His efforts proved out as predicted at twice the factory numbers. 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. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Torque. It lifts the design beyond mere transportation and gives it an upscale look that complements the handsome trim and tidy proportions. 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. The original steering wheel warms up the matching two-tone upholstery, while the column shifter for the automatic is easy to grab and is a trademark of late-60s GM A-bodies. 30052, Loganville, GA. 1969. If you think there is something in error, We ran two different Holley Carbs to check out the differences. With a believed-original engine and a survivor presentation, this is the one to one if you love the original Bowtie design. The compression rating is 140 pounds per square inch. JavaScript is disabled. or Mark). Jeff put his years of engine building experience to work. 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. Just add a Q-jet on a stock manifold and it will surprise you. 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. ATC- After top center ft/32.5 kgm) at 2400 rpm. The PRO L35 - The Base Engine, A 396 cubic inch (6.5 L) engine rated at 325 horsepower. Reply. The engine has AC-R45S-type spark plugs with a 0.035 gap. if (ie||dom) 1967 Chevrolet Chevelle. Rayne is currently pursuing a Bachelor of Science in accounting and psychology through Liberty University. 1971 Chevelle Malibu 307 2001 Triumph T509 2000 Audi B5 1.6. If you want to race, build a race car. I would of done it differently and I never use silicone on a rear main seal or the deck. var iframeprops='width=950 height=250 marginwidth="0" marginheight="0" hspace="0" vspace="0" frameborder="0" scrolling="no"' Specifications listing with the performance . 1969 Chevrolet Yenko Chevelle COPO 427 specs, 0-60, performance data, top speed, engine specifications, pictures. 0-60 times for 13465 cars and 307 bikes. Specifications listing with the performance factory data and . Its out of my 1971 k10. well, a 307 will also do that pretty well. We'll send you the most interesting Chevy Hardcore articles, news, car features, and videos every week. You can just match up the heads and manifolds, but if you polish the runners, mixture turbulence is affected. 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. 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 . 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. 1965 Chevrolet Chevelle . 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.. Very informative. 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. $58,900. The standard Super Sport was no slacker either and much more common. 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. Vehicles with Similar 22.13 HP/Weight Ratio. Those very low initial advance specs are for emissions purposes. That distributor doesnt appear to have a vacuum advance on it. He managed a whopping 70 horsepower increase. Optional V8s included the 275-horsepower 327, 295-horsepower 350, and a 396 mill that provided a sizzling 375 horsepower via an 11.0:1 compression and four-barrel carb. 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. Engine Used. It's all set up like it would be in '69, down to the carburetor and painted intake manifold, along with a set of original exhaust manifolds that feed into a fresh dual exhaust system, so you know it's a great runner. Marine versions with four-barrel carburetion made 240, Jeff commented. 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. The 307 V8 by Chevrolet was built between 1968 and 1973. . The L72 used a solid-lifter camshaft, cast-iron heads, and an aluminum intake manifold with an 800-cfm Holley carburetor. Chevrolets 307ci small block has long been viewed as a mild-mannered grocery getter. manifold and all CA models, 14- Manual trans Plenty of low-end torque. These cars were based on the Chevrolet Chevelle, but the line had its own logo and nameplate, and was neither marketed nor actively sold in the United States. Since the cars were not only subdivided by their basic power units but also their various trim packages and other options, well over 300 varieties of Chevelle were available from the factory in 1969. //This credit MUST stay intact for use What Jeff did know during that first dyno session was he didnt have enough cam to make real power. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. 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. We also added a complete MSD ignition system to keep everything lit at high revs.. 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. 1969 Chevrolet Chevelle Price $89,995 1969 Chevrolet Chevelle Price Auction Chevrolet Chevelle s by Year 1973 Chevrolet Chevelle. 396 (RPO L34) 350 @ 5200. Its logo consisted of an arrow, similar to that . if (ie||dom){ It idles smoothly, doesn't bog when I floor it, and the throttle response is way better. The performance on a Chevelle COPO was truly amazing. actually 402 cu.in. Jeff was positive more could be done with the 307. This was the year thatSuper Sport became a $347 option package that could be added to any two-door Chevelle. 15- Also Monte Carlo. 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. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. However, there is another group out there, who really prefer the 69 with its unique one-year-only looks. Because these Trick Flow heads are super efficient at more than 75 percent efficiency intake vs. exhaust, Jeff chose a single pattern Crower hydraulic roller cam with 228/228 duration on 108 degree lobe centers. 396 (RPO L78) 375 @ 5600. That engine had the same 9.0-1 compression ratio as the 307. 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. 1970 Chevrolet Chevelle. Good for the street. That netted 471 horsepower at 6,500 rpm with torque coming in at 409 lbs.-ft. at 5,500 rpm. Depending on which box you checked on the order form, your 350ci engine delivered either 255 or 300 horsepower. Vehicle information, history, and specifications from concept to production. I'd limit the vacuum advance to 15 deg max. Montego MX Brougham Sedan Hardtop Automatic, https://www.carfolio.com/chevrolet-chevelle-malibu-sedan-307-v8-237028, 1970 Chevrolet Chevelle Malibu Sedan 307 V8 (1971) data. The Chevy 307 V-8 has an oil pressure range of 30 to 45 pounds per square inch (psi). L6. 10- New .019, used .016 Turn adjusting screw in Clockwise until engine misfires, then turn screw out 1/2 turn, 11- With integral intake Unlike in 1968, you could now order the L89 package 396ci engine. What made those numbers even more impressive was the fact that after we had removed . However, when an automatic transmission was ordered, all engines were equipped with a closed air-cleaner assembly. It could be built to make a lot of power and, because cores are so plentiful and cheap, you could get into one for not much money. Although Super Sport became an option, the 396ci engine packages were virtually the same as they were in 1968. The Concours Estate wagon was the top of the line Chevelle wagon with wood-grain sides and standard features like a boarding step. 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. var dom=document.getElementById&&navigator.userAgent.indexOf("Opera")==-1 Which one is that? While a certain amount of this was due to testing standard changes from "gross" (just the engine with no exhaust . 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. She has written numerous articles for various online publications. Like Ford with the 289 turned 302, Chevy stroked the 283 to 307ci. 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. 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 was used in lower performance oriented family type cars and was equipped with a 2 . . 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. The engine delivers its power through to the wheels by means of a 3 speed manual gearbox. The muscle car era was coming to an end. The point is how to make real power from 311ci. And because this engine will still have more exhaust cam than it needs, Jeff went with 1.6 ratio Trick Flow rockers on intake and 1.5 on the exhaust. There were twobig changes for Chevrolets Chevelle in 1969. Some cars are very much cheaper to insure than others. Super Sport equipment could now be ordered with any V-8 engine, including the base 307-cubic-inch version. got a Buick V-6 with similar specs. 1969 Chevelle Engine Horsepower & Torque Specifications. The bumpers are so shiny they look to have been re-chromed, the stainless trim polished, and even the original grille remains in outstanding condition thanks to a lifetime of easy living. 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.
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