Should I chase the block threads for new head bolts or not?
#1
Should I chase the block threads for new head bolts or not?
Doing a head and cam install on my LT1.
Should I chase the threads with a tap or not. Does the crud that breaks loose go down into the coolant passages and if so is this bad?
If yes then what is the exact procedue for thi, using oil or not. How do you clean up the mess?
Should I chase the threads with a tap or not. Does the crud that breaks loose go down into the coolant passages and if so is this bad?
If yes then what is the exact procedue for thi, using oil or not. How do you clean up the mess?
Last edited by wrd1972; 10-29-2006 at 06:59 AM.
#2
I have never chased the threads. I know some who sware by it but i know engine builders who have not done it on any engine they ever built in 30 years. Rember to lube the threads on the head bolts tho. Without it you will not get the proper tq on them.
#5
i did the same thing, step by step in shoebox's engine guide. it runs great and fit together nicely with no issues. Its just a assurance, you dont want to put he heads on and in the middle of it run in to a problem.
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