Head bolt question
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More Turbo
Joined: Jun 2015
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From: New Hampshire
Head bolt question
1975 F250 with a 360 engine.
My heads are back from the machine shop and ready to install, block cleaned by hand with single edged razor, new ARP bolts on deck and ready to go in.
Do any of these head bolt go into water jackets and thus need sealant?
All will get assembly lube, and torqued in sequence using three stages to 80 -90 ftlbs .
All the block holes appear to be blind holes and not exposed to coolant thus not requiring sealant, right or wrong?
Thanks
Tbruz
My heads are back from the machine shop and ready to install, block cleaned by hand with single edged razor, new ARP bolts on deck and ready to go in.
Do any of these head bolt go into water jackets and thus need sealant?
All will get assembly lube, and torqued in sequence using three stages to 80 -90 ftlbs .
All the block holes appear to be blind holes and not exposed to coolant thus not requiring sealant, right or wrong?
Thanks
Tbruz
Thread Starter
|
More Turbo
Joined: Jun 2015
Posts: 590
Likes: 113
From: New Hampshire
Thanks for confirmation of no sealer required.
BTW, my final stage of torque was to 90 ft lbs.
I just read that the ARP bolt set I used, 155-3601 needs to have a final torque of 100ft lbs.
Will torqueing the heads three days later from 90 up to 100 be an issue??
Thanks
Tbruz
BTW, my final stage of torque was to 90 ft lbs.
I just read that the ARP bolt set I used, 155-3601 needs to have a final torque of 100ft lbs.
Will torqueing the heads three days later from 90 up to 100 be an issue??
Thanks
Tbruz
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