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How much lost acceleration from 3:89 to 3:27 ?

To: <triumphs@autox.team.net>
Subject: How much lost acceleration from 3:89 to 3:27 ?
From: "Beth & Ken" <bethken@erols.com>
Date: Thu, 29 Jun 2000 10:44:25 -0400charset="iso-8859-1"
I've got an overdrive rear end (3:89) in my non-overdrive GT6+. With about
4,500 RPM at 70 MPH...well, I'm looking to do a change. My choices seem to
be changing to an overdrive Triumph tranny (expensive and not as reliable as
a non-overdrive tranny), the New Zealand Toyota 5-speed conversion
(expensive, not keeping with tradition...besides, do the Toyota ratios
closely match Triumphs almost perfect ones?), or going to a 3:27 ratio rear.
I'm leaning towards the later, because it's the cheapest, most original way
to go, but I'm wondering how much 0-60 I'm tossing away.

ken shapiro
baltimore
1970 GT6+ KC81872L


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