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Discussion Starter · #1 ·
what if i ran the y8 head on the y7 block but still used the y7 intake manifold ... would i still feel gains?

the reason why im gonna use the y7 mani. is because i cant find a y8 mani.
 

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99 civic hatch
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the y8 uses a 2 wire iacv, you might want to check that out before you run into some problems. Use a y8 intake manifold, dont half ass it. trust me, you will apreciate it in the end, btw, I am running a y8 head on a y7 block with a y8 intake mani.
 

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1995 Civic EX Coupe
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yea no doubt. save up or keep a lookout for a Y8 manifold. they're out there, you just gotta look.
 

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the y7 will not be the best choice. you can pick a y8 up on ebay for $20-$40
 

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Almost anything is better than the Y7 IM. It will be a huge restriction!
Y8 or Z6 manifold will be much better. Z6 might be the best option, if you're to believe what some say.
And use the Z6/Y8 injectors! The Y7 only has around 190cc injectors, while the rest of the bunch has 240cc.

On an otherwise stock Y7, it's said that switching the IM has a noticeable effect.
So I will assume it will be even more so with a Y8 head.
 
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