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I’m new to LS1 ownership, and have one in the 69 GMC C15 restomod I just purchased. I have the following FAST 36lb injectors in the LS, and looking to see if anyone has tuning data for them.
I contacted FAST, and they unfortunately don’t have the data… which doesn’t make much sense, but here we are.
im trying to get my truck tuned, and they said they can’t tune it without the data.
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Fast 36lb Injector Tuning Data 
