[Healeys] 28% OD with 3.54 rearend

Rick Wilkins rick at ewilkins.com
Mon Nov 13 22:57:33 MST 2017

i have this  setup and don’t understand what you mean by that comment. If anything, the overdrive “seems" more effective even though rpm/travel speed ratio is still changed by the same proportion. the tradeoff is loss of low speed quickness, as the math shows.

> On Nov 10, 2017, at 7:27 AM, John Spaur <jmsdarch at sbcglobal.net> wrote:
> The tradeoff is the overdrive is not as effective however, the RPM's are
> much lower at high speed.
> John
> '62 BT7

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