<VV> Standard Transmission Oil

[J. R. Read]

OK, you guys finally got me to go to the parts store to see what is on the 
shelf.  About 8 or so different brands of Gear Lube (which is what I suppose 
that GL stands for).

Most of them are synthetic and now I'm wondering if synthetic gear lube is 
too slippery for our antique synchronizers?  But, that's not my only 
question.

BTW, I've been using Mobil 1 whenever I top off.  I occasionally notice a 
rough shift in both the truck and the car.  That is usually (but not always) 
when they are not fully warmed up.

Virtually ALL of the brands on the shelf listed both GL4 and GL5.  There was 
only ONE brand - called Pennzoil Synchromesh - and it does not specify a 
weight like 80-90 or 75-90 (like the others do) on the label.  But, it DOES 
have the following information:

For GM vehicles requiring Part # 12345349 OR 12345577.  For transaxles and 
transmissions.  NOT for ALL transaxles and transmissions - see owners 
manual.

In small print - overlooked the first time I read it....  GL3.  So the 
second question - is GL3 appropriate for our manual tranny Corvairs?

Later, JR

----- Original Message ----- 
From: "BobHelt--- via VirtualVairs" <virtualvairs at corvair.org>
To: <mrmaxum at aol.com>; <virtualvairs at corvair.org>
Sent: Friday, April 03, 2015 2:35 PM
Subject: Re: <VV> Standard Transmission Oil


> Roger,
> PLEASE read all the posting that has been going on lately.  It should  be
> obvious!!!
> Bob Helt
>


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