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  1. #1

    Question Help needed! 93 Sub. engine 350 replacement

    I have a 93 GMC Suburban 1500 5.7 350 engine and it seems the timing chain broke. I tried turning it on yesterday and it sounds like a bunch of metal clinking around on the front of the engine. It has 313,000 miles without a new engine or rebuild It ran like a champ for years but now I am looking to get a used engine for a quick swap. What other vehicles uses the same truck engine or can I just pick up any 350 and throw it in?

  2. #2


    just search online for rebuilt gmc engine and you should find quite a few, i know has alot of good parts just search around and you might find something

  3. #3

    dwill3015's Avatar
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    Jan 2007
    Yacolt, Washington
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    I replaced the engine in my 87 Blazer with a GM crate motor and that mmotor was used from 1987-1994 so it should be within those years with the Throttle body injection.
    Washington State
    2006 Silverado 2500HD LT3 4X4 CC SB Duramax LBZ
    Tuff Country 6" lift, 35" Toyo M/T's on 20" Ultra Peacemaker wheels, Quadzilla Stealth2 programmer, Diamond Eye 5" cat-back exhaust, factory Special order color Yellow.

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