13.5:1 compression heads

[BAYLS1]

does anybody know any companies that make 13.5:1 compression heads?

[Tatoy]

ETP does I have a set of their race heads..

[Tatoy]

Here are my flow #'s --They are the 265 cc intake runnners

Here are your flow numbers off our bench:


Lift -----Intake-----Exhaust----Exhaust with pipe

.100-------71--------- 59----------60
.200------145---------110---------115
.300------223---------153---------165
.400------281---------200---------218
.500------320---------222---------242
.550------337---------228---------251
.600------351---------235---------255
.650------361---------237---------260
.700------365---------240---------263
.750------367---------242---------270

[BAYLS1]

nice, thanks a lot.


how do you like those heads, and what octane gas are you running with the 13.5:1 compression ratio

[Tatoy]

I ended upwith 13.8 to 1 final compression. I'm runnning Vp116 fuel