Quote:
Originally Posted by flash
I didnt set the timing but it should be right ,tell me about drilling the thermostat .
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I would verify base timing. As far as the thermostat, I always drill 2-4 small relief holes in the outer lip.
Here's a detailed explanation on the subject: http://www.chevelles.com/forums/showthread.php?t=355747
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1972 SS 454 Chevelle LS5/M21/12 bolt 3.73 posi
1969 Malibu COPO L72/M20/12 bolt 3.31 posi
1968 Malibu LQ9/4L80E/12 bolt 3.73 posi
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