Which sealant for head bolts? 
Which sealant for head bolts?
My bad, I was thinking about the head bolts on my stang then......
and yeah I blew everything out....I stripped the block bare, cleaned in every hole with a steam cleaner (HOT pressure washer) and blew out with compressed air.
and yeah I blew everything out....I stripped the block bare, cleaned in every hole with a steam cleaner (HOT pressure washer) and blew out with compressed air.
Dont feel bad LT1 motors used sealant too, I used Black RTV with great success but like said, blind holes, completely clean them out, double check if needed.
You do not need any RTV goop.
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If they are stock GM bolts, they are tightened to a specific rotation angle and therefore are installed without any lube or sealant.
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Well I don't plan on tearing it down anytime soon or ever want to touch this thing again once it's all together. If it was mine I would ARP everything like I did to my forged 408 stroker for the stang but it's a friends soooo I'm using stock bolts.
These guys are referring to the head to block bolts. You are speaking of the rocker arm bolts. LS2 GM bolts call for 22 foot lbs then turn 90 degrees and an additional 70 degrees in sequence. Not sure if some of the early LS1's with the staggered bolt lengths use these figures tho. If using the torque angle method be sure to mark a line on all the bolts after torque values are reached. This allows visual tracking of what bolts you did and did not rotate.
