5speed trans oil

[loc8tor]

I need to fill the trans in the 81, can anyone tell me what to use....thanks

[So Cal Mark]

auto or manual? If manual, this has been discussed at length. Try the search and sit back to read for a couple of hours

[spiderrey]

Dont be so coy Mark, just tell him========================================

[Daniel]

Gear Oil GL-4 SAE 85W90 sold at International Auto Parts and Vicks most auto parts places don't carry the correct
gear oil for your tranny . GL-1 is fine as well .

[Gunsmith]

What about synthetic?

[Daniel]

Not to sure about synthetic but would think the manufacture's label on the bottle what might have
types of oil it can replace .

[htchevyii]

http://www.fiatspider.com/f08/viewtopic ... oil#p75601

[Daniel]

i found this at red line ( http://www.redlineoil.com/product.aspx?pid=46&pcid=7 )
Safe for brass synchros, as it lacks the reactive sulfurs found in most GL-5 oils that cause damage
Recommended for GL-1, GL-3, and GL-4 applications, as well as where most special synchromesh fluids are specified

I might give this stuff a try !

[DUCeditor]

As I posted elsewhere the euro automobile restorer that recently did some major work my `77 back on the road after a 4 year hiatus chose Redline MTL for the transmission. The car has about 118,000 miles and for as long as I have owned it (I believe it had about 75,000 when I bought it in `88), had never to my knowledge had the tranny oil changed, and the synchros were slow and the shifter a little balky. The MTL made a very significant improvement.

-don