[1970 gp]

hey guys , just wanted to know if a crower 268fdp is a good cam in a chevy 355 1:94 heads,3 angel valve job and cast 9-1 piston

 

[DoubleVision]

If that`s the extent of the mods you have it`s rather too big.

 

[1970 gp]

chevy 355
9-1 cast piston
crower 268fdp
750dp
rpm intake
3500 stall
400th shift kit
h.v pump
1:94 3 angle valve job
10 bolt posi 3:55 gears
polished crank/ reconditioned rods
blocked pressured test& hot tanked
new cam bearings& freeze plugs/ oil plugs

 

[JeffB]

This Crower more suited

Check out the info on this cam on the Crower website or Summit part# 00903 grind # 278HDP should match well with your combo.

 

[1970 gp]

thanks ill give it a look see

 

[454C10]

fyi, pistons are rated at a compression ratio based on head volume.

for example, 9:1 pistons with 64cc heads.

however, these 9:1 pistons would be 8:1 with 76cc heads.

so what heads do you have and want head cc did they use to rate the pistons?

furthermore, 3500 stall is a lot for your combo.