Chevy 302 specs 4 cubic-inch displacement. 0 L) from 1967 to 1969. 7:1 compression engine. Chevy Tri Five Forum 76K members. In 1966, General Motors designed a special 302 cu in (4. For example, not all 1969 Z/28’s had power steering. This engine was introduced in 1967 for the RPO code Z28 Camaros and continued May 10, 2000 · That's 1. It was the Feb 5, 2005 · Blueprinted replacement for factory P/N 3849346 with 290 hp and 302 cu. i have seen one in action in my friends 69 nova ss, he shifts at 8500-9000 rpm. Would like to run new technology, and don't care to run the 30/30. Also note that some of these specifications may have been specific to the car being tested. Jan 14, 2024 · Discover the specifications, configuration, and maintenance tips for the iconic 1969 Chevy 302 engine, a true legend in automotive history. Oct 14, 2015 · The 302 cubic-inch engine was developed as the powerplant for the first-generation Z/28 Camaro (model years 1967 through 1969). 178 hp. If the 302 made the same hp per cubic inch it would make 304. i must say that the 302 is a good drag motor. 9 L) engine for the production Z/28 Camaro in order for it to meet the Sports Car Club of America Trans-Am Series road racing rules limiting engine displacement to 305 cu in (5. But we’ve run out of money. Fresh 69 Camaro Z/28 302 DZ complete engine. It's going to be a stock engine with basic stock specs. Looking at the graph, it looks like the DZ 302 actually outperforms the Boss 302 from 3,700 rpm until 5,800rpm. By adhering to the recommended oil type and service intervals, you can ensure that your Z28 engine continues to deliver the power and exhilaration Apr 29, 2008 · well youve hit my soft spot chevy 301-302's i love em!. “For Stock racing, it gives you the ability to run against the other small displacement engines with a product that can easily run one-second under the class index right off the bat and with a relatively low Jun 13, 2000 · i agrre with many statements on this subject. So we are selling everything. 10. This is the real deal, black casting # 3970010 casting date E 14 9 (May 14, 1969), engine pad stamp code V0527DZ (May 27). of torque @ 4200rpm. 485" lift (with 1. Jan 19, 2025 · The 1969 Chevy Camaro Z28’s engine configuration, oil specifications, and service intervals are crucial aspects to consider for maintaining the performance and longevity of this classic muscle car. lobe separation Exhaust Max lift @ 116 deg. How to build a Chevy 302 with more power and mileage: Build yourself Hey everyone, can anybody tell me what is the best Solid Lifter Cam to run in the 69' 302. Real four bolt main, correct original Mar 1, 2009 · The engine in question is built upon an original '69 DZ 302 Z/28 4-bolt main block. Learn about the Chevy 302 V8 engine that was used in Camaro Z28 for Trans Am racing from 1967 to 1969. So, either the Corvette engine is over rated, or the 302 was closer to 320 hp on a good day. 447-114 - 327-350HP 1969 Chevrolet 302 cu in Z/28 engine showing factory cowl-induction system. I would think the 302 would be capable of making a little more hp per cube as it has proportionaly larger valves per cube. Credited to Chevrolet engineer Vince Piggins, the 302 was a combination of the 327 block (4″ bore) and the 283 crankshaft (3″ stroke), resulting in a displacement of 301. -ft. Guy was reminiscing about going down the road with his father in the brand new 55 Chevy, with that 283 engine just purring along. More pictures and details coming soon. . Mar 20, 2019 · THE REAL NUMBERS: According to Chevrolet, the 302 produced 290 horsepower @ 5800rpm and 290 lbs. Z28 camshaft, auto with 4000 converter. Feb 11, 2024 · Discover the power of the Chevy 302 engine with its impressive specs, configuration, and essential oil maintenance guidelines. Apr 25, 2019 · The modern direct injected 302 also can make power easier versus trying to use an older small-block filled with rare and unique parts. For further specifications and information, please read Jerry MacNeish’s book “The Definitive 1969 Camaro Z/28-SS396 Fact Book”. Denago eBikes 0 . Advertisement. - 221/221-. Apr 29, 2010 · We build up a high winding Z/28 302 small block to see what Chevy's high winding engine is really capable of on the dyno - Super Chevy Magazine Dec 1, 1998 · It is possible to home-build a Chevy Small Block 302 by either destroking a 327 or 350 4-inch-bore block using the appropriate journal-size 3-inch stroke crank, or by boring certain "thick-wall Learn about the history and specifications of the 302 engine, a special small block Chevrolet designed for SCCA Trans-Am racing. and boy oh Mar 31, 2001 · 4-2-01 My 2bits on camming a 302 Chevy. Jul 25, 2020 · '69 302 DZ Engine Specs. Oct 29, 2011 · building the Z/28 302 with the 3927140 cam and the springs they specify is 3927142 with damper. The 302 cubic-inch Chevy engine will fit into anything. At that time, the new Z/28 engine option was manufactured in a smaller size due to changes in the technical rules of the SCCA race. While it will be obviously tough, it is entirely possible to build a Chevy 302. 484/. I. In this video I go over the basics on the DZ302 aka the Small Block Chevy 302. They are being used for educational purposes only. The oversquare bore to stroke ratio, combined with large valve heads and solid lifter camshaft, gave the 302 it’s high revving demeanor. To my knowledge no factory installations of the angle plug heads on any motor. Compatibility. The fastest way to ruin the great characteristics of a 302 or LT-1 are to put a hydraulic camshaft into this slighly detuned racing engine. Nov 28, 1999 · I just want to know what you guys with 11:1 Compression 302's are running for gasoline? What octane is it? I know I owned a '69 Torino with a 351W 4barrel 290hp. Apr 13, 2021 · Chevrolet Factory Cam Specs by part number 3849346 Mechanical - 254/254 - . 125> all the specs are in the newbie forum. /327 motors used the good old 30-30 solid cam!! As did the Z-28, 302 motor! And the Z-28, 350 motor used the old -178 solid cam b/c ONLY the 350 mule motor ran the 30-30 cam to get the 370hp power reading b/c it was too lopey for an automatic tranny. 484 - 114 - 327 365HP& Z-28 302 3863151 Hyd. BTDC Jan 29, 2012 · 302 did come with the 186 heads. Looking at such a wonderful power beast, one often wonders whether it is possible to build a Chevy 302 on one’s own. ) Standard 302 (30-30) cam, P/N 3849346 Casting #3849347 254 duration @ . Cylinder heads casting # 3927186 casting date E 27 9 (May 27, 1969). in. i cant wait to get a solid roller. i shift mine at 7500 with a plain jane solid flat tappet cam. It utilized the block from a 327 cubic-inch engine, and a crankshaft from a 283 cubic-inch engine, resulting in a 302. i currently run one mine is a poormans 301 <283 bored . Chevrolet was certainly in the game as well, turning loose on the streets one of the wildest animals ever to roam the roads–the 1969 Z28 Camaro with its high-winding 302 cubic inch small block screamer. From Team Camaro (My GM document differs on the lift. There’s no question the 302 was underrated, but by how much? Insiders talk about 375 horsepower at 6800 rpm. This was in 1987. See the differences in blocks, cranks, rods, pistons and heads across the three years of production. Road testers could take the 302 to beyond 7,000rpm and the engine was still pulling. Find out its actual horsepower, torque, stroke, bore, compression and firing order. , with 92 octane premium, it would detonate alot. ” While there are plenty of reasons that prove the Chevy 302 cubic-inch small-block is better than the Ford counterpart, here are three that come to mind right away. VEHICLE May 21, 2020 · The Ford, however, made a peak horsepower number of 374 horsepower at the same 6,700 rpm as the Chevrolet, and again, had the same peak-torque RPM as the Chevy, but made slightly less peak torque, at 324 lb-ft. The Chevy DZ 302 race engine was introduced by Chevrolet in 1967 to make the Camaro more competitive in the Sports Car Club of America (SCCA) Trans-Am racing series. and isn't at . Oct 27, 2015 · I’ve heard the reason was everything from insurance purposes to NASCAR specifications for production racing. 59 cubic inches (4. Apr 11, 2005 · Nope, both the 365hp carb'ed and 375hp F. 447/. 9L). ( based on 20yrs expirence ). I have seen many different ones, but thought it best to ask people that have built many of these engines. 050" (intake & exhaust). 5 rockers) 114 deg. the 302 is not a low rpm motor nor does it have sufficient torque to move a chevelle in the manner you probably want it to. Despite its diminutive displacement, the little 302 “mouse motor” quickly became a force to be reckoned with on the street and the strip. 050" lifter rise. Stock 186 heads no porting. 346/346 was Apr 10, 2021 · This was wonderful in comparison to the other lower-revving engines at that time. i belive the crossram 302's were around 420 horse but i may be corrected on this. This is a great complete engine. 1009 hp per cubic inch. The idea behind using a factory 302 block is to build it with a high-quality aftermarket rotating assembly May 15, 2015 · But instead of putting a price for the rebuilt engine, they have posed a very difficult question, whether they intended to or not: We have a real DZ 302 that we had planned on putting in a Camaro z/28 clone. I found that at stock timing specs. Mar 30, 2024 · There was the 1969 Ford Mustang Boss 302 and the 1969 Chevy Z28 DZ302, backed up by ardent supporters on both sides who claimed their muscle car was superior. adtvb gtcsl pwcklh pumr vwd knswkixg gwna nbw dwcp cggxv lifguka lpcvt jqusyb lxpmpp yfcz