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DRR Pro
Picture of Goob
posted Hide Post
quote:
Originally posted by No Drag:
615 vs 632 which is the best.


Build the pump that best matches your cylinder head capabilities..
Clean sheet, no budget, bigger is better, if it can be built / repaired with shelf stock parts.


"Despite the high cost of living, it remains popular."
Dave Cook
N375
 
Posts: 1622 | Location: Indy | Registered: November 21, 2008Reply With QuoteReport This Post
DRR Sportsman
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I always found that 615 and 632 Run within .01-02 in the 1/8 Mile, but the 632 has more steam in the 1/4.

As long as you get a teardrop cut on the crank weights, the 632's extra stroke won't cause much more windage.
 
Posts: 664 | Location: UTD | Registered: September 25, 2019Reply With QuoteReport This Post
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