So, you never get more than a 10 degree change in timing? If that's the case, I'd swap out your ignition module and see if that changes things. I've seen ignition modules cause these kinds of problems.
So, you never get more than a 10 degree change in timing? If that's the case, I'd swap out your ignition module and see if that changes things. I've seen ignition modules cause these kinds of problems.
1973 K-5 Blazer, TBI 350, TH400, 1 ton axles & 38" SSRs'
1975 280Z, TBI 350, 700R4
1953 M-38A1, TBI Buick 231
1951 Ford Panel, 5.3 with 4L80E
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