<VV> Transaxle lubricants

[Dusty Steinberg]

If you have GL5 in a 1964, what is the best way to remove it, without pulling the engine/trans assembly?  Will a small amount of GL5 mixed with GL4 do damage?  
thanks
Paul in CT


-----Original Message-----
>From: Sethracer--- via VirtualVairs <virtualvairs at corvair.org>
>Sent: Apr 6, 2015 11:40 PM
>To: virtualvairs at corvair.org
>Subject: <VV> Transaxle lubricants
>
>Folks - This is not rocket science. Buy a GL4 lube. If the  container says 
>it works for GL5, don't buy it and don't use it. Many racers  have used Brad 
>Penn lubricants, manufactured in Pennsylvania from Pennsylvania  crude oil 
>stock. So I talked with them on the phone. This is the data  they sent - see 
>below. I forwarded it to Richard for his comment. Also  below. The good 
>companies know what we need and supply it. I am sure RedLine and  Amsoil have 
>appropriate products, I have used products from those  manufacturers over the 
>years as well. This isn't like engine oil where you  will be changing it 
>all the time. Buy the right stuff, put it in and forget  about it. 
> 
>-Seth Emerson   
> 
>  
>____________________________________
> From: rwidman at gmail.com
>To: Sethracer at aol.com
>Sent: 4/6/2015 4:44:12  A.M. Pacific Daylight Time
>Subj: Re: Corvair diffs
>
>
>Yes, that is what we are looking for. For the benefit of all  the Corvair 
>and other classes I hope that the recent buyout of Brad Penn does  not affect 
>their continuing supply of the oils we need in favor of the higher  volume 
>oils.
>
> 
> 
>_________________________________
>
> 
>Richard  L. Widman |  CEO
>
> 
>(591-3)  344-2233 / (591-7) 705-2487 
>
> 
>_www.widman.biz_ (http://www.widman.biz/) 
>
> 
>Widman  International S.R.L.
>
> 
>Carretera  al Norte km 6
>
> 
>Santa  Cruz de la Sierra - Bolivia
>
>
>
>
>
>
>
>
>On Apr 6, 2015, at 12:20 AM, _Sethracer at aol.com_ (mailto:Sethracer at aol.com) 
> wrote:
>
> 
> 
>Richard - In the past few years Corvair racers have been impressed with  
>the oil quality of the Brad Penn refinery.   It isn't synthetic, but has  
>performed well in many peoples cars. They offer a product as a GL4 gear lube.  
>This is their description:
> 
> 
>BRAD PENN – Penn-Grade 1  ‘Classic’ Multi-Purpose GL-4 SAE 80W-90 Gear Oil 
>is specially blended  using high quality PENN-GRADE mineral base stocks and 
>select additive  technologies. It is designed to be used with “yellow” 
>metallurgy (brass,  bronze, copper) and other soft metals used in 
>synchronizers, bushings, thrust  washers and other components typically found in classic 
>manual transmissions  and transaxles. In applications specifying API GL-4 
>quality lubricants, use of  API GL-5 lubricants with higher extreme pressure 
>additive  activity/concentration can damage these ‘soft’ metal components. 
>It is not  intended for use in ‘limited slip’ applications and does not 
>contain friction  modifiers which can interfere with proper synchronizer  
>performance. 
>BRAD PENN – Penn-Grade 1  ‘Classic’ Multi-Purpose GL-4 SAE 80W-90 Gear Oil 
>is recommended for use in  such time-honored traditional manual 
>transmissions as those made by Muncie,  Rockwell, NVG/New Process, Borg-Warner, Saginaw 
>and Ford as well as those used  in many imports. It is suitable for use in 
>Nissan UD trucks, Mitsubishi Fuso  trucks, Volvo trucks, and Mercedes Benz 
>truck manual transmissions as well as  the transmissions/transaxles on Nissan 
>cars and SUVs, Mitsubishi vehicles, and  Suzuki vehicles calling for a GL-4 
>level lubricant. Always consult the  equipment owner’s manual for proper 
>fluid  selection. 
>Not for use in applications requiring API GL-5 quality  extreme pressure 
>(EP) lubricants or where OEM specialized fluids are  recommended. Consult Tech 
>Services with any questions. 
>
>
>So, would this be a reasonable  transaxle lube for the Corvair in normal 
>usage? It meets the GL-4 specs and  avoids the extreme pressure additives of 
>the GL-5. 
>
>
>Seth Emerson 
>
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>=
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