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[Healeys] Power band of two different motors, or is it the rear end?

Subject: [Healeys] Power band of two different motors, or is it the rear end?
From: healeyguy at bredband.net (Per Schoerner)
Date: Fri, 08 Jul 2011 23:21:35 +0200
References: <E9213AA68F2D4C399F8F9E7B45CF3549@JerryPC> <ECAD87C3-47EC-44EF-A45B-CCBB49C9C298@cox.net> <CACPMnYpR-AUHqpZeA21fB+qzQs87C6CXRQUQGxsAEz84-9o+Wg@mail.gmail.com>
Hi
That's really strange, the rear ends should be the same, 1:3,909, on 
those two cars.

Per in Sweden

I Erbs skrev 2011-07-08 18:45:
> My first Healey was a BN4 that originally did not come with overdrive. When
> I got it it ti had a BT7 engine/overdrive in it.
> That car was fast with mild cam enhancement, balanced and bored 40+.
> The car was wrecked and I bought a rolling BT7 car that originally came with
> overdrive. I swapped out the drive line, suspension  and wire harness, dash
> and gauges into the new body. It was not as quick as the old car. The only
> difference was the rear end gearing.... same engine, same tranny, same
> driver

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