S4 Vs S5 Housings
#1
is there any difference between the s4 and s5 housings (on an N/A)? Are the port sizes any different? I'm rebuiding an engine with a friend (it's an s4) and I want to put s5 rotors in it, port it, and buy it from him. Isn't it also true that polished s4 intakes work better with large porting jobs anyway?
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