s4 turbo throttlebody to s5 turbo intake manifolds?
#1
s4 turbo throttlebody to s5 turbo intake manifolds?
I am switching to s5 irons for my new build, and the ports are larger than what are on the s4 manifold. My options are to port match the s4 or to get the s5 LIM and UIM. I would like to keep my s4 OMP, so can I install an s4 turbo TB on an s5 (jspec in this case) upper and lower intake manifold? premix is annoying. I guess I could port match the s4 TB to the s5 UIM if I have to. I think porting is unavoidable, but I feel that s5 manifolds will flow better than ported s4 manifolds.
This is on a 400+ rwhp build btw, race gas on a T04R.
This is on a 400+ rwhp build btw, race gas on a T04R.
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#9
I'm sorry, fuel rail is plumbing but it is not vacuum plumbing, I wasn't trying to imply otherwise.
I just didn't know if stuff was different on the JDM manifolds because they are designed for a RHD car and they are designed for different emissions specs (although I know that none of the s5's had EGR).
and ^^, I appeciate the heads up, I will keep that in mind.
I just didn't know if stuff was different on the JDM manifolds because they are designed for a RHD car and they are designed for different emissions specs (although I know that none of the s5's had EGR).
and ^^, I appeciate the heads up, I will keep that in mind.
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