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Special hypoid oils are used in the differential case. Even another type of fluid, or oil must be used in a positraction type differential.

Positraction is described in multiple online sources, as addition to our editors' articles, see section below for printable documents, Positraction books and related discussion.

Suggested Pdf Resources

cat2010 Section 1
There are a number of excellent after-market posi-traction units which have proven to be exceptionally reliable in increased power street machines.
Mustad Tools
corrosion resistance. Features exclusive Mustad Posi-Traction grips with moisture-channeling ridges maintain firm grip.
Technical Data
posi-traction differentials to reduce hypoid gear noise and chatter.
F-72. Description. The FDC3-10 is a pressure compensated, spool type, screw-in, posi-traction cartridge valve.
PLATE, Differential Clutch (Positraction) PLUG, Axle Filler and Drain ...................... ......... ..

Suggested News Resources

This Chevy El Camino is a personal favourite
A stock two-barrel carb mixes fuel and air while somewhat pedestrian 3.42 gears and a stock positraction motivate the back wheels. An aftermarket interior kit restored the car's cabin to its new-car lustre.

Suggested Web Resources

Positraction - Wikipedia, the free encyclopedia
Positraction was the last album released by New York band Live Skull. It was released by Caroline Records in 1988. [edit] Track listing.
Limited slip differential - Wikipedia, the free encyclopedia
HowStuffWorks "How Differentials Work"
how it works and what its shortcomings are. We'll also look at several types of positraction, also known as limited slip differentials.
An Improved Eaton Positraction - Randy's Ring & Pinion.
Pro's and Con's of Positraction?
Originally posted by Malibu73 Well, I was wondering what the benefits and disadvantages would be in a street car like my chevy malibu.

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