That's 1.1009 hp cubic inch. the 302 the hp cubic it make 304.178 hp. would the 302 be capable making little hp cube it proportionaly larger valves cube. So, the Corvette engine over rated, the 302 closer 320 hp a good day.
Hot Rod magazine year tested refreshed 302 all stock components measured 346 HP 5,300 RPM (no idea they chose test point). engine wind 7,800 RPM (we talking 5.38 gear go the drags) the stock valve springs, Winters high rise intake, a 30/30 cam making horsepower of way there.
The engine a correct Z/28 302 has built largely the specifications used 1968. There's original 30-30 (Z/28) camshaft the center the block acting a set solid lifters, pair cast iron #3917291 cylinder heads (completely stock, porting allowed), with stock rocker arms valve springs.
The Ford, however, a peak horsepower number 374 horsepower the 6,700 rpm the Chevrolet, again, the peak-torque RPM the Chevy, made slightly peak torque, 324 lb-ft. at graph, looks the DZ 302 outperforms Boss 302 3,700 rpm 5,800rpm. 1969 Z-28 Camaro .
DZ302 engine horsepower rating Supercar/Musclecar Discussion. know DZ302 chevy engine shows 290 hp i've numerous cars this engine the engine size decal the air cleaner.but remember reading this engine way underated horsepower of feds.what the actual horsepower motors put is something 400 hp ?.i you .
Unfortunately, actual performance, at the real power output, Chevy's Ford's sub-5.0L street motors somewhat so. seems every article written either Boss 302 the DZ 302 mentions same thing: originally rated 290 hp, 302s as as 400 hp. Checking the .
The DZ suffix code specifies 1969 302 CID, 290 HP engine 4-barrel carburetor manual transmission a Camaro Z/28. photo shows rare 1969 Camaro Z/28 dual Holley 4-barrel carburetors the aluminum "Crossram" intake manifold. Note "DZ" the driver side cylinder head (written the assembly line).
My passed engine builder buddy built 302 was north 600-650 HP. more. Yeah 2 HP cu in. it very extreme. Powerband started 6000. 10,500 rpm shift point. Brodix aluminum heads had bandsawed half horizontally 1 of extra material welded to raise height the ports.
