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Old 09-05-2007, 08:34 AM
  #16  
jsdkms
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How do you tell the difference between thr regular 0-40 and the extended change 0-40. What is the difference in when you have to change them in miles?
Old 09-05-2007, 09:38 PM
  #17  
silverboy
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Check this thread guys. I picked up from a Ferrari board and it was written very elaborately.

http://www.ferrarichat.com/forum/sho...l+comment+haas
Old 09-06-2007, 09:24 AM
  #18  
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THANKS!
Old 09-06-2007, 04:10 PM
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neverpa
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Originally Posted by Joker
Can anyone tell me what oil they are using to top up on the 997 GT3 ?
I need to top mine up and i have some Mobil 1 ow-40 SuperSyn which i used in my 997s and the manual says that i can use any approved oil .
I just changed my oil and filled with Mobil 1 Supersyn 0W40. I also used that to top off the oil when it appeared to need it. I live in the Northeast so it makes sense to use the 0W40 to me. I will have to see how oil consumption goes and make a decision about the viscosity as my miles accumulate. I understand that these engines use the oil for cooling as well, so it also makes some sense that the lighter oils would be "easier" to pump around the engine and perhaps to spray on the backs of the pistons (if that is truly what this engine does). Mine used almost a quart during the first 1500 miles of driving.
Old 09-06-2007, 04:43 PM
  #20  
2ndof2
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FWIW this is a rather timely question since I was just trying to figure out what oil to use in my 993. This link may be helpful (or not). You may want to double-check though as I am not certain if there have been any updates since 1/05 which is the date of what I'm posting here.

Refer to the bottom of page 2 under "Miscibility"

https://rennlist.com/forums/attachme...3&d=1172977724
Old 09-06-2007, 08:46 PM
  #21  
OldGuy
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No doubt the Dr Haas is a distinguished Doctor and surgeon and his degree is in biochemistry which is pretty close to whats in oil- I would just feel better when reading a 42 page presentation on oil- if a petroleum engineer or a Petroleum Phd. was the author.
The docs comments about ambient not being relevant were uhm eye opening.
Imagine me a electronics engineer with 15 years in GPS systems engineering writing a paper on heart surgery. I had read lots of papers on oil written by Engineers and I prefer those as reference.
When we were racing motocross there was alot of discussion over paying $8 for honda lube or $8 for yamalube. Mobil 1 was $4 back then and we wanted to use it in our racing bikes. The MX environment for motors is much tougher than a car motor environment . 12-13 thousand RPM and only a qt of oil in the motor-Dirt dust mud heat terrible.
Mobil one and other synthetics matched up well against the $8 oils like Honda oil and Yamalube and AMsoil etc etc. Do some research find out what the local guys use at the track and use that-- 0-40 Mobil 1 is a good choice. We used the mobil 15-50 here in the desert and Mobil discontinued it=THEN it came BACK!!! due to popular demand. thats my choice.

Last edited by OldGuy; 09-07-2007 at 01:13 AM.
Old 09-06-2007, 09:17 PM
  #22  
YA911Fan
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Good one!

I hope rumors of Dr. Haas's demise are greatly exaggerated...

Originally Posted by OldGuy
No doubt the Dr Haas is an extinguished Doctor...
Old 09-07-2007, 12:43 AM
  #23  
flash1034
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So, based on that article, we should be running 0w-30 oil in our GT3s. I might give it a try.

Flash
Old 09-07-2007, 01:12 AM
  #24  
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Good catch YA!!! LOL what I meant to say was the Doc got the Fire extinguisher option!!!
Old 09-07-2007, 02:22 AM
  #25  
mooty
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i dont know, but i think too many ppl spend too much time thinking about oil
just dump 0W40 and stop worrying. when i have to top off, i add whatever i can find, peanut oil, veggie oil whatever. my car has no prob.
Old 09-07-2007, 04:12 PM
  #26  
95spiderman
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is there a good place to get oil and filters for a discount? dealer wants $9/qt and $25 for filter. another $200 labor.

nassau cty, ny or mail order both ok

thanks



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