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Hi all, I have a new LS3 swap in a 65 Chevy impala, everything is new with GM warranty from front to back. The issue I cannot nor anyone else can find is I loose throttle response and I haft to reset the computer by unhooking the battery. We have replaced the alternator with a 200 amp and it still does it... Any help please...
LS3 Swap throttle issues 
