Re: Oil cooler line question
The oil leak almost certainly isn't the fittings, it's the hose itself.
Common failure on all LT5s.
GM used the wrong kind of hose, they should have used a silicon based plastic pipe and not a rubber hose.
The hose goes soft with age and oil just weeps through the wall of the pipe.
Easiest fix it to call Jerry. He has what you need, it won't cost an arm and a leg, and the really good news is that it won't take all day to fix the problem.
No need to drain the oil to change the pipes, just beg borrow or steal some big wrenches and loosen the upper fitting first and the oil will drain back into the oil pan through the lower hose.
You might have a few drips but you won't flood your garage floor.
'Crabs
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