Talking to a fella today who runs an engine reman shop, was saying that
almost every one he's torn down has loose cylinder liners. Anyone heard
about this???? GM says this is one of the most tested and toughest
There is a problem with the cylinder liners coming loose and/or
cracking. We haven't actually had one do this in our shop yet,
but apparently, there are something like 2000 vehicles across
Canada that may need new engines as a result.
You don't actually believe what GM says about it's own
engines, do you? Thank goodness that they are wrong
about how good their stuff is, otherwise I wouldn't be able
to keep busy fixing all their f**k ups.
Thanks for the info, I was planning on stuffing one into my 53 Stude HT
with the 4L60e trans. I did the 472 Cadillac -400 swap into my 55 so
just want something different. Thanx again
considering all of the 4.2's out there, they do have a low failure rate, but
when they fail, the fail nicely... the liner cracks at the top all the way
around.. the lip that holds the liner in place is no longer attached so the
liner slides down a little... maybe 1/8 of an inch... just enough for the
top ring to fit in the gap.. this then breaks the top of the piston apart..
after a while the pieces of metal get into the valves and start an avalanche
of broken metal, valves stuck open by metal meeting the piston coming up...
sounds kinds neat, like a diesel with marbles.....the late 02, and 03 is
supposed to have been redesigned for this so if you got a new engine, not a
used one, you should be pretty good for a projec car
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