Quote:
Originally Posted by Mr 42
According to the old magazines
Dual exhaust 10 hp
Dual carbs 10-15 hp
High Compression heads 10-15 hp
All is bolton ;-)
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That says it all. When we were kids, we'd go through the J.C. Whitney catalog and add up the horsepower gains advertised for each part. We all knew that if we had enough money, we could make a 175 HP flathead easily.
