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v2rocket_aka944 v2rocket_aka944 is offline
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Join Date: Mar 2008
Location: Rancho Cucamonga, CA
Posts: 3,440
if the S pistons are the right size to fit the bores in your NA block (tolerance group), or the block can be oversized to fit them, then yes you can then put the S head on the NA block.

one complication - your 85.5 block does not have a provision for the timing belt tensioner used on the 16v cars. you can modify the block to accept that tensioner though.

what ECU will you use?
Old 09-01-2018, 05:59 AM
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