I have a 1978 302 small block and i bought a used 1984 351w small block to use as a parts engine. will the intake crank shaft pulley distributor and fuel pump from the 351 fit the 302? i really need to know because if not then i need to do an engine swap.

 

Intake manifold will not - the deck height is different due to the longer stroke of the 351. Almost anything else (other than the crankshaft and connecting rods) will interchange.

AFAIK, distributor and fuel pump are identical. Crank pulleys should be interchangeable - that's more an issue of what works for your belt drive system. Harmonic balancers and flywheels are interchangeable for 302s built before 1981, but later model 302s have a different imbalance.

 

so will it be to wide or is there a way to make it fit? im no where near rich and was hoping it would all fit

 

An intake manifold for a 351W is wider than one for a 302W because the heads are a little farther apart:

 

ok i see now. i always thought they were the same stroke just different bore.

 

Nope, sorry, it's the other way around. Identical bore, different stroke. You can even interchange cylinder heads. The intake manifold is one of the few bolt-on parts that doesn't interchange.

302: 4" bore, 3" stroke
351: 4" bore, 3.5" stroke

 

well that sucks because now i need an intake i mean i got everything else and it was still cheaper then brand new i just didnt want to go through this hassle

 

thank you for the info

 

No problem. Good luck with your project.

 

thanks its a 1978 f150 ranger. hoping to have it done before i ship off to basic

 

Distributor is too short also