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Registered
Join Date: Oct 2014
Posts: 332
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cylinder head tightening method
1986 porsche 928 s2 4.7
block as studs.so i am putting nut on Is the tightening method for head as follows. 1st stage 20 nm 2nd stage 90 torquing angle 3rd stage 90 " " 4th stage 90 " " not sure if i do stage 4 is that for long bolts,also i read some where about pre loading cylinder head gasket |
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08-10-2016, 01:28 AM
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