<VV> Other Vehicles With The Same Gear Lube Requirements

[Dusty Steinberg]

A long time ago, I installed GL5 into my 1964 Spyder, and until this subject came up, I never knew that it was wrong.  To give you an idea of how long ago, it was when the National Convention was held in Lake Placid New York.  I haven't driven the car that much, probably no more than 1500 miles since that meet, and although I have found it stiff shifting into second gear, I don't know if I have damaged the transmission.  I intend to remove it and replace with GL4 90 weight.  What is your opinion, did I do damage, and if so, how difficult is it to replace the synchronizers?  
thanks
Paul in CT


-----Original Message-----
>From: Sethracer--- via VirtualVairs <virtualvairs at corvair.org>
>Sent: Apr 18, 2015 5:45 PM
>To: virtualvairs at corvair.org
>Subject: Re: <VV> Other Vehicles With The Same Gear Lube Requirements
>
>The newer Corvettes - Meaning C5/C6 and C7 use a transaxle, but the trans  
>and the diff do not share fluid. All of those now have a spec callout of a 
>GM  Part Number. Different ones for the diff and the trans. All of those  
>manual transmissions, as well as the non-transaxle versions, like in the  
>Camaro - at least since 1993, use a modified ATF fluid, not a GL4 or 5. The  
>diffs use a gear lube, then they add a small bit of an additive to make it work  
>well with the standard Posi. For your Corvair, look for a good GL4 - walk 
>away  if the package mentions GL5 (Unless it says "Won't meet GL5"!) and  
>then forget about it. - Seth
> 
> 
>In a message dated 4/18/2015 1:27:33 P.M. Pacific Daylight Time,  
>virtualvairs at corvair.org writes:
>
>Awhile  back I asked what current vehicles had the same transaxle lube 
>requirements  and someone said the latest Corvettes with the combined hypoid 
>diff and  transmission.  From what I have read so far about that car's 
>requirements  it would seem that we could just ask for gear lube for a late Corvette 
>with a  transaxle and not get some kid all worked up looking for a 50 year 
>old  Corvair's needs.
>
>What think ye?
>
>Bob  Hall
>
>
>
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