I've always used 90 wt plus a non-GM positraction lube additive in my
Corvette and Firebirds, found the latter to be essential to eliminate
problems and funny noises. It's not El Mirage but it gets very cold here in
Pennsylvania too.
lance
----- Original Message -----
From: "Ed Van Scoy" <edvs@yahoo.com>
To: <land-speed@Autox.Team.Net>
Sent: Monday, October 11, 2004 7:12 PM
Subject: Diff Lube
> I'm changing gears for El Mirage in Nov. (Corvette
> posi) and invite comments and opinions as to the gear
> lube - keep in mind in is QUITE cold in November... GM
> calls for it's own brand, which is 80-90 wt, plus 2 oz
> of positraction lube. I have plenty of Red Line 75-90
> synthetic on hand - (for some reason GM doesn't like
> it as they will void your warrenty if they find it in
> your car) I have used that in other cars for years.
> Since the Vette still has the IRS, it is not a good
> idea to warm the fluid on a stand like stright axle
> cars.... Any ideas?
> Ed
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