LS1TECH - Camaro and Firebird Forum Discussion

Generation III Internal Engine 1997-2006 LS1 | LS6
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View Poll Results: Which oil are you Using in your Ls1
Mobil 1 5w-30
191
30.96%
Mobil 1 0w-40
28
4.54%
Mobil 1 5w-40
20
3.24%
Mobil 1 10w-30
115
18.64%
Royal Purple 5w-30
39
6.32%
Royal purple 40
13
2.11%
German Castrol 0w-30
85
13.78%
Castrol Syntec 5w-30
19
3.08%
Castrol Syntec 10w-30
24
3.89%
Other such as amsoil etc
83
13.45%
Voters: 617. You may not vote on this poll

POLL what type of oil are LS1 owners using??????

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Old 06-12-2006, 11:49 AM
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Royal Purple 5w 30 here.
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Old 06-12-2006, 12:28 PM
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Redline 10W-30 here year round.
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Old 06-12-2006, 12:40 PM
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M1 - 15W/50 here
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Old 06-12-2006, 02:58 PM
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M1 5w30 here as well.
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Old 06-12-2006, 03:03 PM
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Amsoil
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Old 06-12-2006, 03:48 PM
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Redline 5W-40 now (summer), Amsoil 5W-40 or Series 3000 5W-30 in the winter.
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Old 06-12-2006, 05:29 PM
  #27  
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valvoline 5w30 senthetic// all year round //every 3k change
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Old 06-12-2006, 05:33 PM
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I was using 1 qt of 15-50 topped off with 10-30 Mobil1, Now the 10-30 isn't available here so I'm gonna run straight 15-50.
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Old 06-12-2006, 07:15 PM
  #29  
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Originally Posted by Dom
Is the M1 diesel 5w40 the new name of their truck&suv 5w40? I run 5w40 and want to continue running it. I get 5psi more oil pressure over their 5w30.
Yep same stuff, different name.
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Old 06-12-2006, 08:03 PM
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Mobil 1 5w30 Ext Perf. Extended performance my ***. Still only good for 4000 miles if you street race your car. Don't forget the qt or qt and 1/2 that you will add before you change the oil. Don't want to run anything else. Going to stick with what came in it from the factory. Although with the oil cooler it now takes 7 qts.
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Old 06-12-2006, 08:07 PM
  #31  
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mobil1 10w 30
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Old 06-13-2006, 08:59 AM
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valvoline 10w-40
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Old 06-13-2006, 09:24 AM
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Royal Purple. Had a little smoke when using M1 5W30 and switched. No more problems and a slight gas milage increase.
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Old 06-13-2006, 09:30 AM
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German Castrol 0w-30 for the last two years and so far all is good.
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Old 06-13-2006, 10:31 AM
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Mobile 1 5w30 full synthetic
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Old 06-13-2006, 10:35 AM
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Originally Posted by allngn_c5
Mobil 1 5w30 Ext Perf. Extended performance my ***. Still only good for 4000 miles if you street race your car.
And you came to this conclusion how?
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Old 06-13-2006, 11:58 AM
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Amsoil in the engine, tranny and diff. The best.
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Old 06-13-2006, 11:05 PM
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108 degrees outside here today. 5w-40 valvoline synthetic with K&N gold oil filter in both my camaro and my vette
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Old 06-14-2006, 12:59 AM
  #39  
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M1 15w-50 .....Forged 347
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Old 06-14-2006, 01:20 AM
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amsoil 5w-40 euro
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