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Thread: GM TBI Injector size, color and part numbers

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  1. 11-28-2015 #5
    Fast355
    Fast355 is offline
    Fuel Injected!
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    Quote Originally Posted by mikeg205 View Post
    Orange / Black also came in Indmar Marine Application with 30PSI regulator in a 5.7 liter.
    I am guessing they are this part number?

    25170301

    Although they could just be normal 350 truck injectors. I ran a pair at up to 50 psi for thousands of miles. That was 20 psi base fuel pressure and a 4:1 rising rate regulator getting 7.5 psi of boost from under the Weiand 142. In about 1 year, I killed 3 well built 700r4s in about 20K with that setup.
    Last edited by Fast355; 11-28-2015 at 09:00 PM.
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« Help data | how do you tell TBI injectors apart? I'm lost and even have a pic »

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