So a friend and I were thinking........... Is it better to lock timing at 20-22 degrees with spout out. Or keep BTM Initial around 15 for a total of 31 then 1 on the BTM with 10 psi = 21 total. Reason for this question is BTM is prone to failure so if vacuum line gets pinched or btm fails then Hello 31 degrees of total timing. Thoughts PLEASE................................. Blower cars with Alum. heads.
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