351 heads vs. stock 302 heads

[stud4u13]

does anyone know what the power differences would be between a 351 windsor head on my stock 302 block vs the stock heads. I have a full exhaust BBK long tubes, catted x and an SLP cat back. I dynoed my car with this setup before I took the engine apart and noticed all the carbon buildup on the pistons. Well anyway my dyno numbers were 200 and 270 at the wheels. what kind of power would I get from the 351 heads

 

[jonesy]

I actually never dynoed my car but plan on soon,I have the 351 heads on my car. I'm very pleased w/ the performance. The runners are bigger on the 351 and so are the valves. not much work to go ahead and install the 2.02 in. and 1.60 ex.

 

[bayellowstang]

subscribing. I'm helping my dad put 351 heads on his 302. Its a 69 coupe though.

 

[95snoozer]

the 351 heads barely flow any better, i wouldnt waste the money.

Ps > 351 heads

 

[final5-0]

Some of the older 351 heads had very large chambers which just killed your compression.

Just a heads up for you.

Later
Grady

 

[scarless]

Skip the 351 heads. If you're on a budget, get some GT40P heads, or if you have lots of green, get some Alum heads.