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Registered
Join Date: May 2002
Posts: 90
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3.4 mahle Deck Clearance
Hi. Im installing 3.3-3.4 turbo mahle piston set. 7.7:1. ps98-009 into 79 930 case.
What should the deck clearance be for the P&C? Also, I noticed that the height of the cylinder from base flange to the top is about .5mm smaller than the stock cylinders. Why? thanks Last edited by JHP; 11-08-2021 at 06:42 PM.. |
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11-08-2021, 12:27 PM
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Recently just put a 3.4 together and deck height was set to 1.25mm (set to .050") at a measured compression ration of 7.34:1. car also had a bigger charger on it. Set it a little on the tighter side for more power. Factory spec is 1.25mm - 1.5mm
Last edited by Max_boost951; 11-09-2021 at 11:07 AM.. |
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11-09-2021, 10:48 AM
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