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Old 02-21-2005, 04:45 AM
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the questions are : what engine oil u r using ? why this oil not that ? do u drain all the oil out then refill it again or u just add some ? for how long do u keep it inside ? i know it sounds silly ... but, i have been dealing with the LS1 for 6 years now and i met many people with defferent thoughts about this issue .. so i thought i might share it with u guys 2 .
Old 02-21-2005, 06:28 AM
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[QUOTE=FiveSevenEagle]the questions are : what engine oil u r using ?
Pennzoil 5W30

why this oil not that ?
See no reason not to use it. No oil consumption. only slight piston slap.

do u drain all the oil out then refill it again or u just add some ?
If low add, otherwise see below.

for how long do u keep it inside ?
2500 miles
Old 02-21-2005, 10:08 AM
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Mobil 1 5w30 with a K&N oil filter.
Old 02-21-2005, 10:12 AM
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Royal purple 5w 30, every 3,000 miles unless on the highway often.
Old 02-21-2005, 10:17 AM
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castrol syntec every 3k miles
Old 02-21-2005, 10:19 AM
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quaker state 5w-30(for high horsepower engines)

every 3k.
Old 02-21-2005, 10:27 AM
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mobile 1 syn 5w30... every 2300-3500 is how often i remember the longest and shortest.. when i did 2300 i went ahead and changed it early cuase i was racing/spraying 2-3 times a week for about a 2 month stretch.. i usually get her done about every 3000 miles though except in the last two months ive only put about 400 miles on the car so ill prolly just change it at the 4 month mark rather then relying on miles this time.
Old 02-21-2005, 10:34 AM
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I just use regular dyno oil- Valvoline 5w30. I change it anywhere from 2-3000 miles.
Old 02-21-2005, 10:50 AM
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Just tried German Castrol 0w30. Before that Mobil 1 5w30. I change it about every 2 to 3 K. I heard a lot of good report on German Castrol 0w30. The problem is trying to find it. Never had to add any (car has only 22K) I just drain.

Bill
Old 02-21-2005, 11:32 AM
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Mobil 1 5w-30 (proven), when the light comes on to change oil.

No oil leaks, no oil added or yes I do change all the oil on a oil change even use a new filter.

What info are you sharing?
Old 02-21-2005, 11:40 AM
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Mobil 1 5w-50 with k&n filter... no problems the engine is silent no piston-slap.
Old 02-21-2005, 12:20 PM
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royal purple wix filter change 2000-2500 mile lost of short runs
Old 02-21-2005, 12:21 PM
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used to use mobil 1 5w 30, gunna give the german castrol a shot.
Old 02-21-2005, 12:54 PM
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I use Race Proven Performance Formula 15-50 Mobile 1. This is in my forged block h/c and nos Formula which i tend to abuse daily. I change the oil at 3000 on the dot. Never uses a drop. Good oil pressure.
Old 02-21-2005, 12:57 PM
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I use Mobil 1 0w-40 and a Napa Gold filter. Change every 5000 miles. Reason I use it is thy guy that does works on my car and Patman said it was great stuff. I trust their judgement on oil. This and Castrol 0w-30 German stuff are said to be the best for our cars. Do a search on Mobil and it will tell you a lot.
Old 02-21-2005, 01:02 PM
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Originally Posted by FiveSevenEagle
1)what engine oil u r using?
2)why this oil not that?
3)do u drain all the oil out then refill it again or u just add some?
4)for how long do u keep it inside?
1) Royal Purple 10w30
2) It's never let me down before,nor been proven to be a waste of $$$
3)just add some if it's low, or else see #4
4)3,000 miles
Old 02-21-2005, 02:07 PM
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Mobil 1 5w30 with a K&N oil filter. I change it between 2,500 and 3,000 miles. Never had to add any.
Old 02-21-2005, 02:15 PM
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1)what engine oil u r using? heh... walmart brand supertech synthetic blend 10w30.

2)why this oil not that? I drive hella miles (~520 per week)

3)do u drain all the oil out then refill it again or u just add some? definitely the former.

4)for how long do u keep it inside? 5000, give or take a couple hundred The girl has 115k on the clock, so far so good; de minimus amount of oil consumption.
Old 02-21-2005, 02:26 PM
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1) Castrol GTX 10w 30

2) why not? always used it

3) Drain all the oil out

4) 2,500-3,000 mi, depends how hard I drive it
Old 02-21-2005, 04:13 PM
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Summer 6 1/4 qts Schaeffer 15W-40 PAO Blend
Winter 4qts Schaeffer 10W-30 Blend @ 2 1/4qts 15W-40 Blend

They are coming out with a 5W-40 PAO Blend I will be switching to in March and will use it all year round.

I use this oil as it by far outperforms Mobil 1 for $2.72 a quart.

Change oil and filter at 3K miles because i'm ****. The oil could go alot further easily.

Used Oil analysis' are here..........http://theoildrop.server101.com/cgi/...c;f=3;t=002245



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