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  1. 06-24-2020, 07:58 AM #1
    024mula
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    silver
    '02 Firebird Formula

    What oil is best?

    I'm just wondering what kind and what weight of oil every body is using.
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  2. 06-25-2020, 01:14 PM #2
    Y2KArcticSS
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    2016 Camaro SS - Summit
    2001 Trans Am WS6 - NBM

    I've used Amsoil in all of my vehicles for a number of years, mostly because I put the miles on quick and I get longer intervals with it.
    I stick with 5w-30, though I did run 0w-30 for a while in my old SS. I didn't notice any difference honestly, but it was slightly cheaper than 5w-30 back then

    2016 Summit White 1SS - The DD - Mishimoto catch can, Solo axleback & secondary cat delete, LED sidemarkers & reverse lights, head/taillight blackout, RCC custom badges
    2001 NBM Trans Am WS6 - Torquer V2 cam, Yank 3000 stall, Transgo kit, Racetronix fuel pump, TSP LTs, Magnaflow catback, Strano Springs/Koni STR.T shocks, 17x9.5/17x11 TTII's
    2000 Arctic White SS #1667 - Sold
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  3. 06-27-2020, 02:57 AM #3
    pajeff02
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    Black & Blue
    '02 WS.6 / '07 Suburban

    I still run Penzoil Platinum 5W-30 in our Trans Am.
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  4. 07-22-2020, 10:56 PM #4
    isabellamor
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    Red
    2003 GMC Sierra

    Mobil 1 is what I used on my truck, I thought that all oils are just the same.
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  5. 08-03-2020, 09:35 AM #5
    98TransAmWs-6
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    Black/ Silver
    98 TA WS6/ 01 C5 Corvette

    I use Valvoline VR1 since it was suggested by my engine builder.
    1998 Trans Am WS6 - Phantom
    421 CI LQ9, Tick Performance Custom Cam, TFS 255cc LS3 heads, Kooks 2" LT headers, Kooks 3" True Duals w/ high flow cats, FTP 104 lid, Speed Density Tune, 4" silicon tube, LS6 VCT, FAST 102 Intake, NW 102 TB, Oil Catch Can, SLP Bilstein Shocks w/ Vogtland Springs, CTS-V 4-piston Calipers w/C6 Z06 rotors, Stainless Steel Brake Lines, R1 concepts premium rotors, Hawk HP+ brake pads, VFN WSQ Hood, C5-R timing chain, SLP oil pump, E85 tune, Walbro 450 fuel pump, Deatschwerkz 95# injectors, Breathless performance headlights, Frost Tune, !HVAC.
    (Coming Soon) BMR DSL, UMI TQ Arm
    421 LQ9 14.8:1 on E85 Build/
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  6. 08-05-2020, 12:40 AM #6
    carlofm
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    I always use Mobil1 5w30.
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  7. 08-05-2020, 05:46 PM #7
    DarrenWS6
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    Silver Metallic
    2000 Trans Am WS6

    I always run whatever the cap suggests. 5w30 it be. If its Ford, 5w20 lol. I run Mobil 1 because its a good quality decent priced oil for any 100k engine. If I was to go through a rebuild and start fresh I would probably use Amsoil.
    2000 Trans Am WS.6 M6

    SLP lid & bellow w/ K&N, GMMG catback w/ Corsa Clones, UMI SFC, UMI Adj. Panhard, UMI Adj. TQ arm w/ relocation kit, QTP Longtube headers ORY, LS6 intake, EGR/A.I.R delete.
    Eibach prokit, Bilstein HDs, Nitto NT555s, skip shift elim, whiteface overlays, 20% tint, matte black decal/overlays
    YouTube.com/DarrenWS6
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  8. 08-19-2020, 06:57 PM #8
    desmond
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    Quote Originally Posted by DarrenWS6 View Post
    I always run whatever the cap suggests. 5w30 it be. If its Ford, 5w20 lol. I run Mobil 1 because its a good quality decent priced oil for any 100k engine. If I was to go through a rebuild and start fresh I would probably use Amsoil.
    Been using Amsoil and Mobil 1 here, whatever is available or on sale. Since someone confessed he had bad experiences using different viscosity of oil, I stick with what is recommended on the cap. When I helped my buddy install the shocks from 4Wheelonline onto his truck for their MI trip last year, he used different viscosity of oil that is appropriate for the weather.
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  9. 11-24-2022, 01:43 AM #9
    mikelstudy
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    I stick with 5w-30, though I did run 0w-30 for a while in my old SS. I didn't notice any difference honestly, but it was slightly cheaper than 5w-30 back then
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  10. 12-02-2022, 11:33 PM #10
    mydanielcreg
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    I stick with 5w-30, though I did run 0w-30 for a while in my old SS. I didn't notice any difference honestly, but it was slightly cheaper than 5w-30 back then
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  11. 12-02-2022, 11:43 PM #11
    mydanielcreg
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    I get longer intervals with it.
    I stick with 5w-30, though I did run 0w-30 for a while in my old SS.








    Speed Test
    Last edited by mydanielcreg; 12-03-2022 at 04:34 AM.
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