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GM Upper Engine and FI Cleaner

This is a discussion on GM Upper Engine and FI Cleaner within the Internal Engine forums, part of the LSx Technical Help Section category; I want to clean my ls1's top end by pouring in GM Cleaner upper Engine and Fuel Injector Cleaner through ...

  1. #1
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    2001 Camaro Z28

    GM Upper Engine and Fuel Inj Cleaner

    I want to clean my ls1's top end by pouring in GM Cleaner upper Engine and Fuel Injector Cleaner through my PCV line into the intake. The part # on this cleaner is 88861802 and comes in a clear plastic bottle, showing a blue fluid.

    The bottle is 16 oz's; so how much should I use?

    Is this even the right stuff? I don't trust using Sea Foam in my intake but the Sea Foam can instructions say use 1/3 of 16 oz's.
    Last edited by Cachels1; 05-03-2008 at 01:21 PM.

  2. #2
    Senior Member OnEbAdReDSS's Avatar
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    Red
    2000 Camaro SS # 5,876

    why don't you trust sea foam... its the same damn thing... your just buying a name brand CHEVY thing... as for the directions... same thing as sea foam because they are both the same solution..

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    I read that sea foam can damage seals, and just works well in carbs.

  4. #4
    Member 346ci's Avatar
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    1998 Z-28

    The GM Top Engine and Injector Cleaner is designed to be injected into the fuel rail with a fuel injection tool. I work at a dealership and we mix 4 o.z. with 1/2 gallon of gas and run it through the fuel rails into the engine. Awesome stuff, really makes a difference, I would also recommend following it up with some sort of fuel system treatment additive.

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