d15a3 (si) head onto d15a2 (carb)/ew block

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hondasaurus

Member
edit: nevermind.
hey, i have a couple questions for the d15a3 head (si) to d15a2 (carb) block.
i've seen it mentioned but without details.
any idea on hp/speed gains?
do i need to swap dizzys?
i'm unsure on the internals.
i guess the cam is supposed to be different.
how about the rocker arms and valve springs?
thanks.
 
Last edited:
nevermind.
i just remembered that would involve changing the head gasket. at this point i wouldn't attempt that myself. i'll keep researching, prob will go to 88-91 civic hatch or a driftable car, this thing is too slow.
 
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