Pontiac GTO 2004-2006 The Modern Goat

Dif. Fluid?

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Old 09-05-2006, 02:40 PM
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Default Dif. Fluid?

What rear dif. fluid do u put in ur GTO?

Royal Purple
Pepboys brand?

Whats the best?

Also do u put the posi fluid in there as well, if so how much?

Scott
Old 09-06-2006, 09:05 AM
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Royal Purple here. It got rid of the howl to
Old 09-06-2006, 08:45 PM
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As recommeded by the folks at Diff Technics:

Torco RGO 85-140
Torco Type F friction modifier 2oz

This fluid replacement has gotten quite a few thumbs up from fellow GTO owners.

-K
Old 09-06-2006, 08:47 PM
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I should note that my understaning is that Royal Purple already has friction modifier added.

-K
Old 09-07-2006, 11:02 PM
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using RP 85W140 here, no problems at all, i'm not using friction modifier since RP already has some , i paid $20 to have it changed last month, since it was the first time, and i heard the stock diff fluid stinks like crap




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