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There is a significant market for the 3.77 pumpkin for Spridgeters trying
to reduce the rpm at highway cruising speeds (yes, a 5-speed is more
effective at this) as well as replacements for whiny and broken diffs. The
3.90's10-tooth pinion gear is more rugged than the 3.77's 9-tooth pinion.
The 3.77 was only used for the last two years of production, while the 3.90
ran for about ten years, so it is usually easier to find a decent 3.90.
David L
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<div dir=3D"ltr">There is a significant market for the 3.77 pumpkin for Spr=
idgeters trying to reduce the rpm at highway cruising speeds (yes, a 5-spee=
d is more effective at this) as well as replacements for whiny and broken d=
iffs. The 3.90's10-tooth pinion gear is more rugged than the 3.77's=
9-tooth pinion. The 3.77 was only used for the last two years of productio=
n, while the 3.90 ran for about ten years, so it is usually easier to find =
a decent 3.90.<div>David L<br><div class=3D"gmail_extra"><br></div></div></=
div>
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spridgets@autox.team.net
Archive: http://www.team.net/archive
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