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02-26-2007, 04:41 PM
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Me like track days
Join Date: Sep 2003
Location: Kirkland, WA
Posts: 10,196
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A big Amen to that -
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- Craig 3.4L, SC heads, 964 cams, B&B headers, K27 HF ZC turbo, Ruf IC. WUR & RPM switch, IA fuel head, Zork, G50/50 5 speed. 438 RWHP / 413 RWTQ - "930 is the wild slut you sleep with who tries to kill you every time you "get it on" - Quote by Gabe Movie: 930 on the dyno |
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02-26-2007, 04:59 PM
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Registered User
Join Date: Oct 2006
Location: Chas, SC
Posts: 1,021
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Quote:
Post your response from Amsoil...
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Tim 1986 930 Gone:71,2,4 914's, 70T, 71T(RS),77S |
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02-26-2007, 07:41 PM
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Registered User
Join Date: Nov 2004
Location: Pacific Northwest
Posts: 342
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"Also, our good old standby of Mobil 1 15w50 has been reformulated to and SM classification, and now has 0.10% or less Zn and P. It looks like we will all need GM EOS pretty soon. (Thanks to John Dilger of the 911S Registry for letting me know of this sudden change on Mobil's part)"
"Same goes with Mobil 1 15w50 - if that is what you use, get a bunch of the SL formulation before all that is available is the new SM. You do not need the STP 4 cyl treatment or EOS with the old formulation of Rotella or Mobil 1, only the new ones." __________________ Charles Navarro LN Engineering http://www.LNengineering.com Aircooled Precision Performance '91 964 C4 Cab __________________
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Bullet Racing #22 GT3 Cup |
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02-27-2007, 08:05 AM
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resident samsquamch
Join Date: Oct 2005
Location: Cooterville, Cackalacky
Posts: 6,824
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Always seems to be a thread about oil lurking about:
New Shell Rotella 15W-40 now has boron Some great info from th LN site: http://www.lnengineering.com/oil.html I change my oil too regularly to justify the expense of synthetics. I plan to perfrom one more oil change with the Mobil Delvac 1300 Super and then I 'll send off for an oil analysis test kit.
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-jeff back in the saddle: '95 993 - just another black C2 *SOLD*: '87 930 GP White - heroin would have been a cheaper addiction... "Ladies and Gentlemen, from Boston Massachusetts, we are Morphine, at your service..." - Mark Sandman (RIP  )
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02-27-2007, 10:39 AM
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Registered User
Join Date: Oct 2001
Location: Momence, IL 60954
Posts: 1,854
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Hey guys, saw this thread and wanted to let those who are currently using m1 15w50 that they significantly reduced the Zn and P in the new API SM formulation- I would highly recommend either adding a bottle of EOS or switching to the V-Twin 20w50 formulation, which is still and API SG.
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Charles Navarro President, LN Engineering and Bilt Racing Service http://www.LNengineering.com Home of Nickies, IMS Retrofit, and IMS Solution |
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03-02-2007, 07:25 PM
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Me like track days
Join Date: Sep 2003
Location: Kirkland, WA
Posts: 10,196
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__________________
- Craig 3.4L, SC heads, 964 cams, B&B headers, K27 HF ZC turbo, Ruf IC. WUR & RPM switch, IA fuel head, Zork, G50/50 5 speed. 438 RWHP / 413 RWTQ - "930 is the wild slut you sleep with who tries to kill you every time you "get it on" - Quote by Gabe Movie: 930 on the dyno |
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03-02-2007, 07:39 PM
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Registered User
Join Date: Oct 2001
Location: Momence, IL 60954
Posts: 1,854
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Yes, but if you go to your local GM dealership you can get it for less. I paid something like 4.90 a bottle.
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Charles Navarro President, LN Engineering and Bilt Racing Service http://www.LNengineering.com Home of Nickies, IMS Retrofit, and IMS Solution |
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03-02-2007, 07:45 PM
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Registered User
Join Date: Jan 2003
Location: Burlington, Wisconsin
Posts: 9,370
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Quote:
I have never had any problems either on my p-cars or my every day cars.. nut again most are broken in on dino then switched pretty quickly anyhow someone asked about amsoil.. I used that for years but the prices have gotten out of control. and heck it's made right here in wisconsin you would think it would be cheap.. I switched to mobil-1 last year and will run it again cause it is much cheaper and all the tests I have seen compare the 2 very closely
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Ben 914-6 2.4s GT tribute. 914-6werkshop.com manufacturer of 914-6, GT, Conversion parts |
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03-03-2007, 05:08 AM
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Me like track days
Join Date: Sep 2003
Location: Kirkland, WA
Posts: 10,196
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Correct, most do see dino at first them Mobil 1 after rebuild - the recommended way. It is what my rebuilder had me do.
But, in many cases it is pretty well known when you run dino for years and years - say a 911SC, then switch to synthetic - leaks almost always occur.
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- Craig 3.4L, SC heads, 964 cams, B&B headers, K27 HF ZC turbo, Ruf IC. WUR & RPM switch, IA fuel head, Zork, G50/50 5 speed. 438 RWHP / 413 RWTQ - "930 is the wild slut you sleep with who tries to kill you every time you "get it on" - Quote by Gabe Movie: 930 on the dyno |
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03-03-2007, 09:22 AM
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Registered User
Join Date: Oct 2006
Location: Chas, SC
Posts: 1,021
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Hi Ben, Funny, the reason I switched from M1 to Amsoil was the M1 changed the label on the 15/50 to extended and raised the price to over $6. I paid I think I think approx $30 for the Amsoil preferred program and bought their 10/40 for $5 a quart. The money I save on all of my cars switching just about pays for the diff going up to their 20/50 racing at $7 a quart. Anyway, that was my reasoning...
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Tim 1986 930 Gone:71,2,4 914's, 70T, 71T(RS),77S Last edited by timc; 03-03-2007 at 07:03 PM.. |
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03-03-2007, 09:27 AM
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Me like track days
Join Date: Sep 2003
Location: Kirkland, WA
Posts: 10,196
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And reduced the overall 'quality' of the oil too.
Zinc & Phosphorus really took a cut - all the more reason to possibly seek out another proven oil, IMO.
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- Craig 3.4L, SC heads, 964 cams, B&B headers, K27 HF ZC turbo, Ruf IC. WUR & RPM switch, IA fuel head, Zork, G50/50 5 speed. 438 RWHP / 413 RWTQ - "930 is the wild slut you sleep with who tries to kill you every time you "get it on" - Quote by Gabe Movie: 930 on the dyno |
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03-03-2007, 09:41 AM
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Registered User
Join Date: Oct 2006
Location: Chas, SC
Posts: 1,021
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Quote:
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Tim 1986 930 Gone:71,2,4 914's, 70T, 71T(RS),77S |
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03-03-2007, 07:07 PM
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Me like track days
Join Date: Sep 2003
Location: Kirkland, WA
Posts: 10,196
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Redline as an alternative is what the oil geeks - and a local friend - say to go with:
Synthetic Oil......opinions and testing
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- Craig 3.4L, SC heads, 964 cams, B&B headers, K27 HF ZC turbo, Ruf IC. WUR & RPM switch, IA fuel head, Zork, G50/50 5 speed. 438 RWHP / 413 RWTQ - "930 is the wild slut you sleep with who tries to kill you every time you "get it on" - Quote by Gabe Movie: 930 on the dyno |
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03-03-2007, 08:19 PM
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Registered User
Join Date: Jan 2007
Location: Boca Raton, FL
Posts: 2,063
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My father has been a dealer for Amsoil since the eightys. (no he doesnt sell oil for a living.) He got his Amsoil dealer card so he could order the stuf for his own cars, if anyone is interested in Amsoil, let me know.
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Kris @ Tech9 86' 930/GT-40R Sold 94' Rustang GT daily (long gone) 2008 C6/Z51 Corvette |
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03-05-2007, 05:31 AM
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Castrol GTX 20-50 here.
I agree with Craig. I put Mobil 1 in my mustang once, and I mean once, due to the leaks. Of course, I think I was 17 at the time. Bill |
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03-05-2007, 02:04 PM
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Registered User
Join Date: Jan 2007
Posts: 1,077
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Quote:
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03-05-2007, 02:42 PM
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930s rule the wasteland
Join Date: Dec 2006
Location: Spotsylvania ,Virginia
Posts: 1,213
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20/50 has any1 experienced low oil tank levels until warm then the level is fine? is this normal. no oil light and the druck presures are high.
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1980 930 Turbo 1993 Corrado 1983 944 1984 944 2001 VW golf TDI |
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03-05-2007, 06:46 PM
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Me like track days
Join Date: Sep 2003
Location: Kirkland, WA
Posts: 10,196
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Red Line oil - it appears that this is truly a better alternative to Mobil 1:
http://www.redlineoil.com/products_motoroil.asp?productID=8&subCategoryID=1&categoryID=1 http://www.redlineoil.com/products_motoroil.asp?categoryID=2 ---------- Oil expands when hot, and the level rises.
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- Craig 3.4L, SC heads, 964 cams, B&B headers, K27 HF ZC turbo, Ruf IC. WUR & RPM switch, IA fuel head, Zork, G50/50 5 speed. 438 RWHP / 413 RWTQ - "930 is the wild slut you sleep with who tries to kill you every time you "get it on" - Quote by Gabe Movie: 930 on the dyno |
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03-05-2007, 06:54 PM
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Registered User
Join Date: Jan 2007
Posts: 1,077
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Quote:
I have heard from more than one mechanic that you really don't want a full oil tank, it is better to be about half a quart short so that your oil level is no higher than the mid range on your gauge. You can ask around for the reason, but this is something I do religiously. I don't max out my oil gauge, I am always a little short. I think it may keep your engine from having too much oil pressure, but I am not sure of the exact reason. My mechanic won't fill it past the half way point on my gauge, he just doesn't think it is a good idea. Last edited by DDDD; 03-06-2007 at 09:46 AM.. |
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03-06-2007, 09:40 AM
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