12 Valve Engine and Drivetrain Talk about the 12V engine and drivetrain here. This is for 1994-1998.5 engine and drivetrain discussion only.

piston deck heigth ??

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Old 08-15-2015 | 11:58 PM
  #1  
oldblues's Avatar
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From: s .e. pa.
Question piston deck heigth ??

hi

rebuilding y 12v and the old pistons had a deck height of .024

new pistons with block decked .008" enough to clean up surface and are .020 o.s. i have a deck height of .031 ?

will this cause any problems ??

thank you !
Old 08-21-2015 | 06:56 AM
  #2  
edwinsmith's Avatar
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From: Commerce, OK
Not really

This will increase the volume of the compression chamber some which will lower the ratio a bit.
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