<VV> Pinion Gears

[Joel McGregor]

If you run an automatic I doubt that you would ever have any problem.  I
broke the pinions in my '67 110 Monza 4spd. w/15x7 Z-28 wheels and a weak
engine.  It has 4 spiders and a posi now.  The 1-2 shift got them (I tend to
slam shifts).  I have a '63 convertible 4-speed that I have abused severely
for many many miles and haven't had any trouble with it but it has a worn
out stock 85hp, stock wheels and 185/70s.  I would assume that the
difference in traction is the key.
I was only about 5 miles from home and the guy that was behind me when it
went pushed me home.  I didn't know him and didn't have to wait at all.

Joel in Keller, TX (DFW area)
'66 Corsa w/air
'63 Greenbrier 4spd
'63 Greenbrier 8dr 4spd "Bob"
'63 900 Convertible 4spd
'67 Monza 4spd Posi
15 others


-----Original Message-----
From: virtualvairs-admin@corvair.org [mailto:virtualvairs-admin@corvair.org]
On Behalf Of Cepak, Tom A
Sent: Wednesday, July 28, 2004 1:57 PM
To: virtualvairs@corvair.org
Subject: <VV> Pinion Gears

I read the 1965-66 Chevrolet Corvair Corsa Turbo Buyer's Guide article
in the August issue of Hemmings Muscle Machines and I have some
questions.  Larry Claypool states, "The transaxle's weakest links are
the spider (pinion) gears" and "They were perfectly adequate for the
stock power and tires, but if you give the car more grip and load the
transmission, you can run into problems."  Those of you that have
installed more aggressive engines, have you run into transaxle problems?
Is it worth the extra money to upgrade the pinions from 2 gears to 4?
I've purchase a 110 engine in which I'm going to rebuild to a 140 and I
haven't even thought about the transaxle.  Should I be concerned?
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