Has anyone ever checked the cam timing after 1K, 5K or 10K? I wonder if it changed much? Depends on the quality of the chain. My theory is to advance it 2 degrees, to allow for stretch and break in. Am I wrong?
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1968 Firebird 400 RAII M21, 3.31 12 bolt, Mayfair Maize.
1977 Trans Am W72 400, TH350, 3.23 T Top
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