What weight amsoil diff fluid you using?
Premium Supporting Vendor
Joined: Aug 2001
Posts: 5,364
Likes: 38
From: King George VA
You really want to use this one:
AMSOIL Severe Gear Extreme Pressure Synthetic 75w90 (product code SVGQT)
For the DIYer, this is handy:
AMSOIL Hand Pump (product code G2039. Note - I recommend taking the plastic tip off the bottle, not needed and you don't want it poping off in your diff or tranny)
I use that fluid without extra additive in both my track car 02 Z06 and my daily driver 06 CTS-V and neither diff chatters, and after 30+ races, still haven't had a diff failure other than losing the left axle seal which is common to Vettes (and the diff survived the race and I won it).
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C66 Racing #66 NASA ST2, SCCA T2
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C66 Racing #66 NASA ST2, SCCA T2
AMSOIL Dealer (Forum Vendor)
AMSOIL Preferred Customer Program (Members buy at Wholesale - a savings of about 25%)
