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TrailblazerSS
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This info may be on here somewhere else but when looking for the correct part #'s for the stock Tbss fuel injectors compared to the GTO or Ls2 vette injectors i had a hard time coming up with correct information.

The stock Fuel injector # for the tbss is #12580681 30lb hr/58psi

The Ls2 car GTO,etc...injector part is # 12569113 34lb hr/58psi

The ratings i listed were found in a chart posted on Lstech...
 

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TrailblazerSS
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Interesting that they had different ratings for the same engine.

Does anyone have a good OEM part number for a 42lb LS2 injector? Or does anyone have suggestions on what 42lb injectors to use? I’d prefer OEM, so used takeoffs are definitely an option.
 
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