LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related
View Poll Results: Which oil?
Catrol GTX
19
10.92%
Quaker State
5
2.87%
havoline
1
0.57%
valvoline
19
10.92%
penzoil (****ty oil)
6
3.45%
Mobile 1 synthetic
103
59.20%
Other synthetic
15
8.62%
other...
6
3.45%
Voters: 174. You may not vote on this poll

Which motor oil?

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Old Sep 16, 2010 | 11:18 AM
  #61  
moparman's Avatar
Registered User
 
Joined: Nov 1998
Posts: 2,761
From: Louisville, KY
The Geman Castrol synthetic 0W30 has tested as being perhaps the best oil to use in in the LTX engines, and I think in the LSX engines as well. This info comes from the bobistheoilguy site. Lots of knowledable people there, and they actually test the oils and lubricants instead of saying this brand works good in my car.
Old Sep 18, 2010 | 11:00 PM
  #62  
wbacall's Avatar
Registered User
 
Joined: Mar 2002
Posts: 176
From: Canyon Country, Ca.
Mobile 1 0W-40

Mobile 1 0W-40. 270,000 miles and still going strong.

Last edited by wbacall; Sep 18, 2010 at 11:02 PM.
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