I'm putting a 5.3 in a 88 chevy and lookin for a ECM to run. Been lookin at the Big Stuff 3 cause it can control the trans to but it cost alot. I was hopin somebody would come out with one that wasnt so race based. The factory ECM works great but to tune it u have to buy some software like HP tuners, EFI live, etc to so it adds up to.
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