Re: 5.5 head
I have a 5.5:1 head on my Coupe and a 6:1 head on my Victoria. The 6:1 head has a noticeable increase in torque over the 5.5:1 head. To use the full travel of the spark advance lever, special tuning is necessary. Here is what I did to regain full travel of the spark lever.
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Bob Bidonde
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