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How to test a 90k-mile used chevy 3.1L V6 engine?

(1995 Chevrolet Lumina)
in Moorpark, CA on February 13, 2013
Want to buy a stated 90k-mile used chevy 3.1L V6 engine,
do you know how to stress test the engine for piston compression, gaskets' leak and other old engines' problems? Thank you for your prompt reply!
Displaying 4 answers & 6 comments
Popular Answer
on February 13, 2013
Sometimes you just have to take a persons word! The only way to do what you are wanting is to dyno or install the engine.
95 year model, is it worth it? I mean is it a pretty nice car and the tranny. is in good shape? Steering rack and other componets working ok, ac ect.
What warranty is with this eng.? Just some things to consider.
on February 14, 2013
Thank wetry for quick response! everythingelse are okay with this car, but the engine.
No warranty for the stated 90k-mile engine! May be I should get a rebuilt engine with 3-year
warranty from Orielly? 2.5 times more expensive, but warrantied!

is it a good idea? thanks
on February 14, 2013
Check around the salvage yards first, here in VA. some offer a darn good warranty on used engines!
on February 14, 2013
The VA salvage yards must be able to fix engines, or they must have a number of same engines, in order to provide warranty, am I wrong? I need to check around here for such ones!
on February 14, 2013
A lot of the cars have low miles when they are salvaged, so the engine price is higher but warranty better! A bunch of 3.1 GM engines out there that will interchange. Usually they run these engines before removal to check them out then adjust the price.
That is how it works at most of these places! A lot of engines/years will interchange, within the same make.
Old Dominion Auto Parts of Roanoke Va. and others, offers a lifetime warranty to the orginal purchaser on certain engines ect. when professionally installed. So SHOP around.
of Greg's Orange Auto on February 13, 2013
if your a aaa cust you can get a pre insp. service at any aaa repair shop. prices vary depending on service needed
on February 13, 2013
The used engine is at a dealer. I believe I have to do a testing there.
Is there a stress test that I could do, or have the dealer do it?

thanks
on February 13, 2013
Is the engine in or out of the car?
on February 13, 2013
It is out of the car at a dealer's place. He wants to sell it to me, but no proof for 90k-mile usage though.
on February 13, 2013
Yikes! you might have to crank it by hand to do a compression test
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