 LT1 383 Engine Oil |
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 Aug 23 2012, 04:15 PM
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#1
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newbie Group: Advanced Members Posts: 18 Joined: 3-February 12 From: South Mississippi Member No.: 141,560  |
ok, what grade oil doesn't everyone run? Right now i'm on the second oil change. Running 10W 30 Mobile one.
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Aug 23 2012, 05:08 PM
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#2
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Experienced Member  Group: Advanced Members Posts: 2,038 Joined: 3-March 10 From: Huntersville, NC Member No.: 9,105 |
QUOTE (delta159 @ Aug 23 2012, 12:15 PM)  ok, what grade oil doesn't everyone run? Right now i'm on the second oil change. Running 10W 30 Mobile one. My 396 seemed to like Royal Purple 10w40 |
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Aug 24 2012, 07:51 AM
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#3
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Member Group: Advanced Members Posts: 225 Joined: 23-August 07 From: Cumming, GA Member No.: 1,914 |
Redline 40W Race Oil.
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Aug 29 2012, 05:55 AM
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#4
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Advanced Member Group: Advanced Members Posts: 275 Joined: 2-April 07 From: Austin, TX Member No.: 1,746 |
Redline 50wt race oil. But it may not be right for your application. I use it for 2 reasons:
1. My engine was purposely setup with loose bearing clearances (.0025) and hence requires a 20/50 or similar weight oil to get the desired pressure at high temps. 2. It's a race car with no catalytic converters. This oil is not safe for cats and will eventually damage them. Back when I was racing with cats still on the car I ran Redline 20/50 (blue bottle). When I redid the exhaust and yanked the cats, I switched to their race oil (red bottle). Before I started racing, I ran Valvoline VR1 20/50 at HPDE events for several years. It's a lot cheaper than the full-on race stuff and seemed to work fine - meaning nothing blew up and the one or two samples I sent to Blackstone got good marks. I've personally seen very bad things with off-the-shelf Mobil 1 in HPDE cars. They make some great race oils but what you get at Autozone is very different and not suitable for the heat of track events (in my opinion). |
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Sep 5 2012, 08:14 PM
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#5
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Mullet club chairman Group: Advanced Members Posts: 786 Joined: 25-March 06 From: South Bend IN Member No.: 1,135 |
I use 20w50 Valvoline VR1 synthetic.
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Sep 5 2012, 09:44 PM
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#6
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Experienced Member Group: Advanced Members Posts: 1,099 Joined: 14-October 06 From: Mobile, Al Member No.: 1,410 |
I have been using Royal Purple 10-40.
Since I don't track the car in summer I put in Pennzoil Platinum 5-30. May switch to Pennzoil Ultra 0-40 for track days. EDIT I just called Shell/Pennzoil, the lady recommended Pennzoil Ultra 5-40 Euro for our cars to trackday with. Amazon.com has it for $45.43 for 6 quarts shipped. This post has been edited by FASTFATBOY: Sep 5 2012, 10:12 PM |
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