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Swapping Engines - 94 Blazer and 97 Suburban

This is a discussion on Swapping Engines - 94 Blazer and 97 Suburban within the GM Trucks forums, part of the Vehicle Specific category; If I'm swapping the engines in a 94 Blazer and 97 Suburban (both 350, I believe they're the same engine) ...

  1. #1
    Never Drink and Derive Tonik's Avatar
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    Swapping Engines - 94 Blazer and 97 Suburban

    If I'm swapping the engines in a 94 Blazer and 97 Suburban (both 350, I believe they're the same engine) are there any catches? I.E. I'd need to transfer the computer also.

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    Simpsons Did it!! 98formy's Avatar
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    Quote Originally Posted by Tonik View Post
    If I'm swapping the engines in a 94 Blazer and 97 Suburban (both 350, I believe they're the same engine) are there any catches? I.E. I'd need to transfer the computer also.
    The only similiarity is the fact the lower half of the motor is the same. The 97 suburban is a multiport and the 94 is TBI. The intakes, distributor, injection, and induction are all different. If you did entire harness swap with the computer, you should be ok. The sensors may be different though between the motors and your gauges may not work, not sure about that part.

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    Never Drink and Derive Tonik's Avatar
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    Well you just saved me a big pain in my ass. Thanks!

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    Simpsons Did it!! 98formy's Avatar
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    If you swapped out the short block portion, you could certainly use it. Just a lot more work is all.

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    Senior Member bigrondownhiller's Avatar
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    The heads are different also. 96 was the first year of the vortec engine.

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