<VV> Diff Still Blowing Lube Out Vent

[Sethracer at aol.com]

In a message dated 12/1/2007 7:49:39 AM Pacific Standard Time,  
Mikeamauro at aol.com writes:

Can  anyone comment on what may be causing this situation, and what possible  
 
fixes might be tried? For the racers: you stress the equipment well beyond  
the 
limits of my everyday, highway use; do any of you take any special  measures  
to keep the diff lube where it belongs? And, finally, how  low a lube level  
(below fill port) can one operate, without damage  to the diff?

Would appreciate any insights or ideas... thank  you,
Mike Mauro 





Mike I added a breather on my Corvair diff when road racing. Cheap ol  me, I 
used an old-style metal army canteen. I drilled the bottom full of  holes, 
then band sawed off the bottom 1/3. I added a barbed 3/8  fitting about half way 
between the cut line and the top of the canteen and  stuffed it full of Fuel 
Cell foam - Open cell-type foam - and welded back  on the bottom. I mounted it 
upside down on the back side of the rear seat  location, just above the trans, 
with the barb aimed back toward the diff. I  replaced the breather on the 
diff cover with a male thread fitting and the hose  up to the breather had the 
female hose end, so I could disconnect it for  powertrain removal. any lube/air 
would travel up the hose to the canteen, with  the filter foam removing the 
lube as the air traveled up and out the breather  holes and the fluid dropping 
to the "top" of the canteen After an  event, or regularly, I could remove the 
cap off the can and drain any left over  fluid. In a couple of years of 
competition, I almost never had any oil drain  out. It worked for me! That reminds 
me, I have to make another one for my  car-in-work! - Seth Emerson



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