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View Poll Results: Which oil do you use? | |||
Amsoil |
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79 | 22.13% |
Castrol |
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19 | 5.32% |
Champion |
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0 | 0% |
Chevron |
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0 | 0% |
Conoco |
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0 | 0% |
Citgo |
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0 | 0% |
Havoline |
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1 | 0.28% |
Interstate |
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0 | 0% |
Kendall |
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1 | 0.28% |
Lowe |
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0 | 0% |
Marathon |
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0 | 0% |
Mobil 1 |
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224 | 62.75% |
Motorcraft |
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0 | 0% |
National |
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0 | 0% |
PennZoil |
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4 | 1.12% |
Quaker State |
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3 | 0.84% |
Redline |
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10 | 2.80% |
Royal Purple |
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11 | 3.08% |
Valvoline |
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5 | 1.40% |
Voters: 357. You may not vote on this poll |
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Thread Tools | Display Modes |
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#211 |
Join Date: Mar 2021
Location: Crawfordville, FL
Posts: 216
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#212 |
Join Date: Apr 2022
Location: USA
Posts: 25
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Marc Haibeck?s latest (Jan 2017) recommendation on what to use for the 1990s LT5 can be found on the Haibeck Automotive Technology website:
http://www.zr1specialist.com/HAT%20W...5%20Engine.pdf |
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#213 |
![]() Join Date: Aug 2016
Location: US Oregon
Posts: 74
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I currently use the Z-rod oil in 10w-40. I fail to find the AMO label on the Amsoil web site.
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#214 | |
Join Date: Apr 2022
Location: USA
Posts: 25
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![]() Quote:
https://www.amsoil.com/p/premium-pro...motor-oil-amo/ |
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#215 |
![]() Join Date: Aug 2016
Location: US Oregon
Posts: 74
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Thanks. I finally got it figured out that it was product code Amsoil is remiss on their labeling and search criteria.
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#216 |
![]() Join Date: Sep 2008
Location: Mullica Hill, New Jersey
Posts: 2,574
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Just a point of interest.
On the amsoil site, I entered my info for a 93 Chevrolet Corvette 32 valve. Their site did not suggest the 10-40 Z rod oil, but rather three others. Do they know something................................ Again, just a point of interest. ![]() Marty |
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#217 | |
![]() Join Date: Aug 2021
Location: Bradenton, FL
Posts: 136
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#218 |
![]() Join Date: Nov 2016
Location: New Brunswick
Posts: 951
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As a temporary measure to get an oil change in, I picked up two jugs of Mobil 1 FS 0W-40 yesterday. A nice 40 weight synthetic oil, as Marc recommended, plus 1100ppm of zinc, both speced and confirmed in independent testing.
The 0W part doesn?t really mean much now, but is a nice extra when I?m trying to get those last late November/early December drives in, or those monthly winter time starts. Bonus, it was only $27 Can for a 5 quart jug.
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1990 ZR-1 # 996 "All Corvettes are red. The rest are mistakes." - John Heinricy Last edited by Erik; 07-03-2022 at 10:41 AM. |
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#219 |
Join Date: Mar 2021
Location: Crawfordville, FL
Posts: 216
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Erik, I'm also using that 0W-40 European formula and my Z loves it, despite all the flack I got when I first mentioned it on here.
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#220 |
![]() Join Date: Nov 2016
Location: New Brunswick
Posts: 951
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I can?t imagine why you?d get flack. It?s a very high quality modern oil, rated as Marc recommends (40), with the Zinc our engines require, with the bonus of being priced reasonably. Where is the crime in that?
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1990 ZR-1 # 996 "All Corvettes are red. The rest are mistakes." - John Heinricy |
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