I've been reading around alot about the motor I recently purchased and I've heard alot of conflicting stories.

So the block of my f20b is a beast, I got that. I plan on running boost here in the next month and achieve a modest 325 - 350 hp.

I've heard that if possible you want to run an H22 head on the F20b? Why? Does it contribute to power? Or is it more reliable?

I've also heard some people say the whole head fits, while others have said the intake valves won't work because f20b is 34mm and h22 is 35mm and a few other things.

Basically I'm looking to put an H22 head on the f20b... But I don't really know why, or how much it would cost (what would work, what I would need or have to replace)

Can anyone shed some light?

Thanks.

 

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What are the benifits of running an h22 head as opposed to the F20B Head if I already have the manual Type S cams?