[LS1ow]

Originally Posted by wretched73

What are the details on the heads you want to sent out for porting? $1,100 is an obscene amount of money to spend on stock heads.

This is what's going on my LQ4
https://www.texas-speed.com/p-1173-p...ted-heads.aspx

Correct me if im wrong, but those heads are just GM castings they CNC. If you supply your own casting to PRC you would save yourself about $400. I think TEA uses a hair larger valves, which is prob the reasoning for the hair better numbers.

https://www.texas-speed.com/p-1172-p...-castings.aspx



TEA: $1,1000

Lift Intake Exhaust
0.100 67 54
0.200 139 120
0.300 219 179
0.400 271 224
0.500 308 248
0.550 315 255
0.600 320 260

PRC: $950

Lift Intake Flow Exhaust Flow
.200" 147 cfm 114 cfm
.300" 209 cfm 152 cfm
.400" 258 cfm 191 cfm
.500" 294 cfm 207 cfm
.600" 316 cfm 226 cfm