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Old 02-29-2012, 01:27 PM   #1
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k20A2 pistons on a frank build

I would like to know if on a frank build you could use higher compression pistons from the RSX-S, Id assume that the bore is the same on a k20 and a k24, right?

I know its better to keep lower compression ratio if Im going to boost. But if I want to keep it NA, could I keep the 11.0:1 Pistons?

On a side note, k24 crankshafts dont fit k20, right?
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Old 02-29-2012, 02:31 PM   #2
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Pistons are not interchangeable, due to both bore difference (86mm vs. 87mm) as well as location of wristpin. Ditto on the crankshaft.

Just get K24 pistons in the diameter and compression ratio you need.
 
Old 02-29-2012, 03:52 PM   #3
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You have a lot of research to do.
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Old 02-29-2012, 04:41 PM   #4
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I agree, I would spend some more time researching it because some of what you are thinking won't work.
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Old 02-29-2012, 04:47 PM   #5
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yeah, found out that the bore size on a k24 is different, right after posting the thread =(

Thanks for the input.
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