The copper spray is old skool technique when some head gaskets were nothing more then a pressed piece of metel. Not needed on modern multi-layer gaskets.

 

thanx for all the advice..... please clear one more thing up for me.... everyone tells me to go to 90 ft lbs then 90 deg. then drive it for a while and go back and retorque..... but to wat torque? there is no final torque spec... its 90 deg past 90 ft lbs? soooooooo?
also is brake cleaner ok to use to clean/wipe down head/block with?

 

90 and 90 is good, brakekleen ok to clean with,, may look into grade 10 allen head bolts tho,, mine hold up great,, good luck

 

what hes asking for is what do you retorque it to because you follow that sequence at first, but if you do that again you end up totalling 90lbs plus 180* so i understand what hes saying but i cannot answert your question

 

i have allen bolts and it was done 1 time 90 lb and 90 degs. i ship the allen bolts

 

i would go 90ftlb + 90* then when u retorque just torque to like 115 or 120ftlb