North American Turbocoupe Organization

synthetic gear lube
powered by turbo Offline
I've seen this brought up several times while searching...

What is the benefit of using synthetic lube in the rear end, and what weight would you recommend / why? I've seen several different weights being used. None of the posts I saw on a search revealed why the switch should be made.
1986 Mustang SVO

teal95 Offline
Senior Member
The advantages is that it supposedly is a little more slippery helping reduce friction and increase the life of the gears and bearings. However it seems to reduce the lifespan of the axle when they ride directly on the bearings like both the 7.5 and 8.8 do. Supposedly both Moser and Strange recommend using dino oil.

'83 & '84 GT turbo EEC-Tuner
'85.5 & '86 SVO twEECer
2x '87 & '88 TC QuarterHorse
'93 LX 5.0 notch Moates chips
3x '95 & '96 GT

trashline Offline
Posting Freak
destroyed my 7.25 inch rear end in my mustang. was just rebuilt and for some reason it loosend up things inside now i have play in the rear

1966 mustang
1988 tbird

06 Cobalt SS
66 mustang 289 C4 handfully modded

Stingers IC install and tbird photos

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