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yeah, I don't get the luck some have.   The tall ass tahoe I did last winter had a stock 5.7 vortec (99 tahoe) and it had just been put in.   the 200K motor took a ****.   put in a perfectly running 84k vortec from a 98 chevy truck that was rear ended.   it lasted all of 5 trips out.

Then a 160k liftout from a 97 went in.   didn't have much for balls adn spun a rod in a mud hole in 1 outing.   he sold the rig in anger with several sets of vortec heads and parts just laying in his garage.   the sheep has a bone stock vortec long block out of a 98 chevy and no rev limiter.   that bitch will wind all day and take the heat.   all I did was clean the sticking lifters and strap another set of heads on it (the stock heads were stolen for another engine, went with brand new vortecs from gmpp).   i guess some have good luck, some have bad ???


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