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1970 Chevelle SS with a 454 engine what should the timing be without the vacuum advance then with the vacuum advance and at what RPMs?
Wiki User
∙ 11y ago
Which 454? The LS5 and LS6 are two VERY different engines even though they are both 454's. Timing specs are different as well. 8 degrees before TDC at idle will work for either, but may not be optimal.
Wiki User
∙ 11y ago
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1970 Chevelle Malibu with a 350ci engine What should the timing be without the vacuum advance then with vacuum advance and at what RPMs?
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