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Old 10-16-2007, 10:43 AM   #41
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so what amsoil engine oil do I want for a texas car that sees 15-20 track days per year, and how often should I change it?
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Old 10-16-2007, 10:46 AM   #42
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at least 10w-40, call corky and ask.
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Old 10-16-2007, 10:53 AM   #43
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Quote:
Originally Posted by Braineack View Post
at least 10w-40, call corky and ask.
but there are like 4 different amsoil oils in that weight.
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Old 10-16-2007, 11:01 AM   #44
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Originally Posted by chuckerants View Post
It sounds like the "regular" Amsoil is what I should use since I intend on OCI of 5000 miles for my SCed engine. But, I'm still a little confused about 5w30 vs 10w30.

I've been using 5w30 ever since day 1. This is even after I moved to Phoenix. I wonder if I should be switching over to 10w30 in the summer and stay with 5w30 for the cooler months?

Hmmm.
cooler months? phoenix?
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Old 10-16-2007, 01:19 PM   #45
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I looked at the AMSOIL's application guide and it lists for an 89 323 GTX; Above 16F......20W-40, 20W-50

I had been using M1 10W-30 b/c Costco sold it at a good price. They don't have 10W-30 anymore.

Looks like I'll be switching to the Amsoil 20W-50.

Chris
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Old 10-16-2007, 05:32 PM   #46
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but there are like 4 different amsoil oils in that weight.
You'd want AMO 10w40. That's what I was running during summertime track events down here in South Florida. I was SC'd with an external oil cooler. I just did a Sebring event this past weekend with 10w30 to see how it ran. I'm going to send off a sample since I got that free test kit. I'd run the 10w40 for an OT'd Turbo Miata since the oil is pulling extra duty.
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Old 10-16-2007, 05:41 PM   #47
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Originally Posted by soflarick View Post
I'm going to send off a sample since I got that free test kit. I'd run the 10w40 for an OT'd Turbo Miata since the oil is pulling extra duty.
how cute, we can compare results. :gay:
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Old 10-16-2007, 08:05 PM   #48
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Yea, got about 1000 miles on the oil, so I figure what the heck.
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Old 11-24-2007, 11:26 AM   #49
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Yea, got about 1000 miles on the oil, so I figure what the heck.
I race a turbo miata and have been using m1 15/50. A few weeks ago a mechanic told me to go with AMSOIL Diesel. Any experience with this as I notice that no one has brought this up as a better oil for high performance/racing applications?
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Old 11-24-2007, 04:09 PM   #50
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I run 15w50 in my car. With oil temps over 275 degrees on-track, I felt that 10w30 wasn't going to cut it much longer. Ideally you would change the oil before every track day, but if that's going to be 12 times a year, it's probably overkill. You can probably do 2-3 track days or 3000 miles on oil you're tracking and be safe.
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Old 11-24-2007, 05:38 PM   #51
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Diesel oil has more detergents and I believe a more robust additive package for antiwear. Your mechanic may have told you to run the diesel oil since it would prevent turbo coking better than gasoline oil. Seems like a lot of guys on bobistheoilguy.com run diesel oil in their gas fueled vehicles.

BTW, I checked a couple quart bottles I have at home, and the API label is not shown on the 10w30 and 10w40 bottles I have. Probably means their additive package is still really good, and not watered down according to the new standards out there.
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Old 11-24-2007, 06:37 PM   #52
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Quote:
Originally Posted by Savington View Post
I run 15w50 in my car. With oil temps over 275 degrees on-track, I felt that 10w30 wasn't going to cut it much longer. Ideally you would change the oil before every track day, but if that's going to be 12 times a year, it's probably overkill. You can probably do 2-3 track days or 3000 miles on oil you're tracking and be safe.
I'm probably going to run 3 track days, then send a sample off and see how it looks.
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Old 11-24-2007, 06:47 PM   #53
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Oil temps of 275 are going to beat up on any oil. IMHO over 250 is no-no territory.
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Old 11-24-2007, 07:05 PM   #54
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Quote:
Originally Posted by soflarick View Post
Oil temps of 275 are going to beat up on any oil. IMHO over 250 is no-no territory.
I had my old vr6 up to 310 once when I was a dumbass 19 year old running from the police like a dumbfuck.
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Old 11-24-2007, 07:34 PM   #55
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all i hear about is amsoil, redline, and m1...

you guys ever thought about Greddy turbo oil? i heard it's pretty good, but like 8$ a quart....and it's blue *droooool*
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Old 11-24-2007, 07:41 PM   #56
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royal purple get it for free from friend works at automotive warehouse
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Old 11-24-2007, 08:28 PM   #57
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wanna hook a brother up? i pay for shipping
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Old 11-24-2007, 08:35 PM   #58
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Since M1 is about the same price as Amsoil, I bought enough for the Minivan and the Miata for a year.

Last edited by chuckerants; 11-24-2007 at 08:58 PM.
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Old 11-24-2007, 09:02 PM   #59
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i ruuns amsoil in my honduuh odyssey, racee prepped and track ready w00t w00t lol.... nahh i'm messin with you

my mom's odyssey DOES run amsoil tho (my uncle paid for it.... wish he paid for MY cars damnit)

and so does my aunt.... she's just rich and has the cash to burn
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Old 11-24-2007, 11:41 PM   #60
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Quote:
Originally Posted by soflarick View Post
Oil temps of 275 are going to beat up on any oil. IMHO over 250 is no-no territory.
Oil cooler is sitting in my garage, waiting for a Mocal thermostat sandwich adapter.
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