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Timing with headers and no cat
Hello,
New to forums so bear with me . I recently installed a 1995 5.7l TBI engine in a 1972 Blazer. Used headers no converters stock mufflers . Have major low end power problems. Set timing to 0 degrees. Ran terrible needed to advance timing at 15 degrees. Runs real strong but still have idle load up problems cold. Used 1989 wiring harness since I used a 350TH tranny. Still need to hook up VSS sensor. Any suggestions on timing.
Thanks.
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