02-16-2017, 04:25 PM | #1 |
Drives: 2016 Hyper Blue 2SS Join Date: Jun 2016
Location: Sioux Falls
Posts: 129
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Royal purple 75w90 w friction
Anyone use this at 1600 miles 2 track events need to change I have always had better luck with purple then AC Delco. Which is same price. Want pick some up today. But thought get community advice as the gear oil threads only talk about AC Delco and dears hip oil
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2016 HyperBlue 2SS, A8, MRC, NPP, Grounds Effect Package.
Performance: Psc1 Pro-Charger stage 2 FMIC Helica Gears Aesthetics: 15% 3m Tint all around/phastek full blackout kit Debaged sides, Tinted inner tail lights, Black Bow Ties, 20 Black 5 spoke rims |
02-16-2017, 07:10 PM | #2 |
Drives: X-15 Velocipede Join Date: Mar 2008
Location: SW Florida
Posts: 4,637
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This my choice:
Amsoil Severe Gear 75W-90 Formulated for the severe operating conditions of today’s pick-up trucks, SUVs, heavy equipment and other hard-working vehicles. AMSOIL Severe Gear is compatible with most limited-slip differentials. If limited-slip differential chatter occurs, add AMSOIL Slip Lock friction modifier additive. AMSOIL Slip Lock Differential Additive (ADA) is formulated with advancedfriction modifiers and is designed to eliminate gear-housing chatter in cars, trucks and SUVs equipped with clutch-type limited-slip differentials. |
02-24-2017, 07:18 AM | #3 |
Drives: 2016 2SS Join Date: Aug 2016
Location: Ohio
Posts: 68
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I changed my diff fluid out a few months ago with the Royal Purple.
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02-24-2017, 01:50 PM | #4 |
Drives: 16 ngm ss Join Date: Jan 2017
Location: NJ
Posts: 233
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My ls1 trans am did not like royal purple. I would stick with the GM fluid plus additive.
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02-25-2017, 03:38 PM | #5 |
Drives: SS 6 speed of course Join Date: Jan 2016
Location: Hilo, HI
Posts: 4,325
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Did RP, it does groan on the first few turns after start up. I may add some more friction modifier when I get a chance... no big deal, I bet it is stone quiet during the summers..
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Forged short block, large duration sub .600 lift Cam Motion cam, 7200 RPM fuel cut, Pray Ported Heads, 3.85 pulley D1X, stage II intercooler, DSX secondary low side, DSX E85 sensor, Lingenfelter big bore 2.0 pump, ported front cats, 60608 Borla, LT4 injectors, ZL1 1LE driveshaft and Katech ported TB, ported MSD intake, BTR valvetrain, ARP studs, ProFlow valves, PS4 tires.
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11-09-2023, 09:39 AM | #6 |
Rear Diff Lube
Try ULTRA 1 PLUS 75W90 GL5.
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02-10-2024, 12:56 PM | #7 |
Drives: 2017 Camaro 2SS Nightfall Gray 1LE Join Date: Mar 2017
Location: SoCal
Posts: 86
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Here in CA I haven't heard any groaning sounds with RP. I say CA because it never really gets cold here.
I've never had good luck with stock fluids, especially Mopar. I boiled the dif fluid in my 2000 Dakota RT. I did drive around 110 for 2 hours on a road trip in the middle of the night. Apparently, the dino fluid they used in that truck would boil at 600 degrees, lol. What do you know. I put synthetic w/limited slip additive and never had another problem. Luckily they built a strong dif to take that abuse and live. I didn't want to take any chances with my Camaro so I went with RP fairly early in the cars life. |
02-10-2024, 01:28 PM | #8 |
Drives: 2004 BMW 330CI, 2022 1SS 1LE Join Date: Dec 2021
Location: NC
Posts: 822
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I've been using OEM and my car is basically a track car only. I change it every 24 track hours, never had any issues. I'm at 10,500 miles total with about 7000 of those being on track.
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02-11-2024, 07:30 AM | #9 |
Drives: 23 ZL1 A10 Rapid Blue Join Date: Aug 2020
Location: MO
Posts: 2,086
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My Z diff has the RP in it now, would use it again, no question. Not a track car though if that even matters.
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02-11-2024, 11:58 AM | #10 |
Drives: '86 IROC-Z '18 ZL1 Join Date: Jul 2019
Location: Arizona
Posts: 764
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I'm a RP fan but recently switched to Amsoil. Also switched to Amsoil Severe Gear 75W-90 this past season. I had RP prior and no issues.
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02-17-2024, 09:15 PM | #11 | |
Drives: 2016 2SS Convertible Join Date: Oct 2017
Location: Las Vegas
Posts: 200
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Quote:
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2016 2SS Convertible; SIM; Black & Ceramic White interior; M6; NPP; DD LED side marker lamps & back-up lamps; LED trunk lamps, license plate lamps & front T/S lamps; 3rd brake light pulser; Skip-shift eliminator; Borla s-type non-npp axle backs; Weather-Tech floor mats, trunk mat, rear license plate frame/cover; GM fuel door; ZL1addons rock guards; Removed fender badges, front & rear SS badges; JLT CAI, tune, oil separator; RP Synchromax in transmission; RP MaxGear in rear differential; GM Lowering Suspension Upgrade; Dimple oil filter magnets & magnetic oil drain plug; 3M Ceramic window tint.
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