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extra 10 lb-ft on head bolts, '92 tracker 8v ????

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Offline eschneider

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extra 10 lb-ft on head bolts, '92 tracker 8v ????
« on: August 12, 2008, 04:53:43 AM »
A former GM/Geo tech advised me when reinstalling the cylinder head to torque the head bolts to spec plus an additional 10 lb-ft.

Can anyone confirm?  The tech is a pee-pee head, but I have to admit he's usually right.


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Offline rascott

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Re: extra 10 lb-ft on head bolts, '92 tracker 8v ????
« Reply #1 on: August 12, 2008, 05:58:50 AM »
why is he a "former GM/Geo tech"?
ever get your torque wrench calibrated? i haven't.
usually specs. will list a final torque range, and i will often use the higher as a guide.
over tightening can cause problems. stripped or broken bolts(studs, nuts) are a pain to deal with.
+10 lbs on head bolts probably wouldn't hurt.
mabe.
'89 kick w/little motor, still got pieces of jeff's pucks, stan's sticks into 4.24:1 tcase, 31x10.5x15's, rear lockrite, kick power steering, some radios(kj6esv), bmw seat, other changes just because. done on the cheap.
suzi the psychic gets me fishing.

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Offline Jeremiah

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Re: extra 10 lb-ft on head bolts, '92 tracker 8v ????
« Reply #2 on: August 12, 2008, 04:03:46 PM »
It's my understanding consistency is far more important than + / - a few lbs. DON'T use oil (unless manual says to), make sure the passages are cleared of debris & oil by chasing the threads (with a tap) and cleaning out with break-clean & compressed air.
'96 4 door kick: 29" Pep-Boys M/T, 1.5" OME
'83 SJ410: 31" Toyo M/T, SPOA, 1.3L
'08 Yamaha FZ6