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- - APR head and main studs specs? help (https://www.evolutionm.net/forums/evo-engine-turbo-drivetrain/520321-apr-head-main-studs-specs-help.html)

usacchamp

Oct 18, 2010 06:56 PM

APR head and main studs specs? help

Does anyone know the torque specs for APR main and head studs? I

b16a95eg

Oct 18, 2010 07:17 PM

Pretty sure these are them:

Head studs - 80ft lbs
Main studs - 60 ft lbs
Rod bolts - 40 ft lbs

b16a95eg

Oct 18, 2010 07:17 PM

thats with the Moly Lube, I'm not sure off hand what it would be with motor oil

RSMike

Oct 19, 2010 01:30 AM

i did my rod bolts to 60ft/lbs with moly, 60ft/lbs for the mains too.
Make sure you check the mains tunnel bore for roundness after installing main studs, you might need to line hone it.

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