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Old 01-03-2018, 08:37 AM   #5
drmo
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Join Date: Apr 2007
Location: Slovenia
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Do you have a tu5jp4 (110hp) or tu5jp4s(125hp) block? Pistons are different by my knowledge, they should be as the jp4s has higher compression ratio.

I haven't used or seen this block with 8v head yet, but with tu5jp block (1.6 8v 90hp) that has dished pistons, I had to make cutouts.



But then again, my head was skimmed 1mm, and pistons were sticking 0.20mm out of the bores.
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