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8 valve vs. 16 valve bottom end

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Offline troyshere

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8 valve vs. 16 valve bottom end
« on: February 07, 2006, 06:49:35 PM »
Can anyone tell me if the bottom end of a 8 valve is the same as a 16 valve?

Can you just swap heads or is there more to it?

Troy
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Offline cj

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Re: 8 valve vs. 16 valve bottom end
« Reply #1 on: February 07, 2006, 08:01:28 PM »
...and swap pistons.
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Offline wildgoody

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Re: 8 valve vs. 16 valve bottom end
« Reply #2 on: February 07, 2006, 09:14:59 PM »
I know that there are double counter weights
on the 16V engines, not sure if the early 16V
got them, but I know 95' have it.
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Offline Rhinoman

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Re: 8 valve vs. 16 valve bottom end
« Reply #3 on: February 08, 2006, 04:56:09 AM »
IIRC MarkyB has an 8V head on an 16V bottom end with no problems. The valve pockets are different so a 16V head on an 8V might not work. I think the way Mark has it also gives a little CR boost.
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Offline wildgoody

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Re: 8 valve vs. 16 valve bottom end
« Reply #4 on: February 08, 2006, 07:43:55 AM »
Yes, I hear the 16V is a higher compression
piston, and works with the 8V head.
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