<VV> positraction additive -yes or no

[ScottyGrover at aol.com]

In a message dated 5/1/2008 10:29:57 A.M. Pacific Daylight Time,  
Sethracer at aol.com writes:

Dennis -  Be very careful about using advice in this case. Remember that the  
 
Corvair manual transaxles share a common lube with the differential. As  far 
as 
I  remember, no other car uses a plate type limited-slip  differential in 
common  with the transmission. Corvair guys know  this, and will take it into 
 
consideration. For example, if you ask  Amsoil or Redline Oil for a  
recommendation 
on a GM "Posi" additive,  they might not know about the  commonality. In the 
past, I have heard  of certain "slippery"  synthetic additives which make the 
gears in  the differential last longer.  If added to the manual transmission, 
the  
additive makes the Synchronizers (which  rely on the friction of  engagement) 
non-functional, causing grinding during  gear shifts -  every time!  -Seth 
Emerson



If I recall correctly, the factor of commonality of lubricant applies only  
to the manual transmission (the PG units are totally separate.) In that  
case,since every manual-transmission 'Vair I have ever owned ('65's and '66's)  had 
separate fill plugs for the trans. and the diff., why can't the passage that  
joins the two be plugged so that limited-slip lube can be used?
 
Scotty from Hollyweird



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