joe smith
Well-Known Member
Speaking of that, there is one very weak link if that engine has never been opened up.
if it has the original timing gears/chain, the cam gear is coated in nylon.
do not push that engine if it could still have that
if the timing set has been replaced then it doesn’t and it’s not a concern
The nylon teeth break off and the chain can jump, and destroy the valves and pistons.
it’s what took mine off the road in the early 90s
Got lucky though and just had some nicked pistons
I have seen the broken off vinyl teeth ( on many SBC) plug up the oil screen/feed also......