lifter tic on 98 sle 3800 - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 01-30-2005, 01:58 PM   #11
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Interesting.....I'm changing my oil today if I ever get off this damn PC...hahaha. I'll have to give that a shot.
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Old 01-30-2005, 09:31 PM   #12
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I'm starting to develop a slight tick in the 99. It'* nothing major, but still runs like a top. 99K.
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Old 01-31-2005, 11:01 PM   #13
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so it has to be done with fresh oil? And not the last leg of the oil change with the tranny fluid trick?
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Old 01-31-2005, 11:46 PM   #14
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My ex-brother-in-law was a mechanic in the Marines, and ran a service shop on the side. Any time he changed his oil, he'd also replace one of the quarts of oil with a quart of transmision fluid. He'd run it that way all the time, not just for a few hundred miles.
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Old 02-01-2005, 08:21 AM   #15
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Quote:
Originally Posted by Drifter420
so it has to be done with fresh oil? And not the last leg of the oil change with the tranny fluid trick?
fresh oil
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Old 02-01-2005, 10:30 AM   #16
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Quote:
Originally Posted by LakevilleSSEi
I've run 15-40 before, man does she run smoth and quiet...Can't wait till summer to run that again.
you actually used truck oil?
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Old 02-01-2005, 11:37 AM   #17
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Quote:
Originally Posted by ssesc93
Quote:
Originally Posted by LakevilleSSEi
I've run 15-40 before, man does she run smoth and quiet...Can't wait till summer to run that again.
you actually used truck oil?
from what i understand about oil, thicker oil is ok, so long as it meets the same api rating, although using thicker oil may make it harder to start ur vehicle
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Old 02-01-2005, 12:29 PM   #18
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I used to work with a guy who was a chemist for Shell Oil Co. He maintained that Rotella-T (15W-40 "truck" oil) has the best additive package in the industry. I like to use this oil in my cars with over 100k. I believe that heavier oils provide the best protection for worn engines and for engines used in hot, hard service. I have never had trouble starting a car with 15W-40 in the winter. I'm sure I pay a price of a couple of miles per gallon, but I'm willing to trade that any day for better engine protection.
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Old 02-01-2005, 01:30 PM   #19
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ok running thinner oil will free up some power, while running thicker oil will decrease the risk of damage in the case of overheating (this is because thicker oils break down at higher temps). also for oils also rated for compression ignitions have a more powerful set of additives. something else ive heard is that synthetic oil will also free up some power
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Old 02-01-2005, 08:55 PM   #20
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I switched to synthetic in my 97 se and you can tell the difference in power cold starting and economy...no ticks at 117,000.....
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