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Oil Change - 5w-20 or 5w-30? What everyone is using?

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Old 12-07-09, 09:38 AM
  #61  
tromly
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5w-30 Mobil 1 every 7,000 miles, buy at Costco, $32.00 for 5 quarts
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Old 12-07-09, 10:12 AM
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Yup, just called Longo Lexus and they said they only use Mobile non-Synthetic oil. They use synthetic only if the customer requests it. 5W-30 is what I'll be using.
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Old 12-07-09, 10:53 AM
  #63  
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So since its fairly cold here in winters -30
Should I be getting. 5W-20 ?
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Old 12-08-09, 02:05 PM
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FWIW - got an oil change yesterday at the dealer and they gave me 5W-20.

-P.
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Old 12-08-09, 02:30 PM
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i have been using 5w20 since the dealership told me it changed from 5w30 to 5w20....
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Old 12-08-09, 02:40 PM
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my dad and i use 5w-30 extended performance by mobil 1. it's been very reliable for all the toyota/ lexus cars we've owned. for the F though, i recently switched to 0w-30. my mechanic (third party mechanic) utilizes the 0w-20/30 for all high performance vehicles at his shop
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Old 12-21-09, 04:00 PM
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After trying the 5w-20 Mobile 1, I'm back to using the 5w-30 for my IS350. The only thing I'm doing different now is - not using the 3rd party filter, even if it's cheap. Just found out that eBay is selling the bulk toyota/lexus YZZA3's pack of 10 for $55....$5.55 vs $17 at Lexus dealer. Toyota dealers are now refusing to match the part numbers on purpose
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Old 12-21-09, 11:58 PM
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using 5w30 mobile one with oem filter. from dealership5 bucks for the filter!
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Old 12-22-09, 03:50 AM
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i am thinking about using mobile one 0w-30 for my next oil change
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Old 12-22-09, 07:58 AM
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hey guys i have a is350 and i just got my car and i was wondering what oil should i use? im deciding to go with mobil 1 but have no clue which one =/ should i use the 5w20, 5w30 or the 0w30? which one is more reliable and works best? and should i get "synthetic" or non-synthetic
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Old 12-22-09, 08:25 AM
  #71  
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Originally Posted by LilMan23
hey guys i have a is350 and i just got my car and i was wondering what oil should i use? im deciding to go with mobil 1 but have no clue which one =/ should i use the 5w20, 5w30 or the 0w30? which one is more reliable and works best? and should i get "synthetic" or non-synthetic
See Below...

Originally Posted by Joe Z
5w30 => its on the Oil Cap...

Joe Z
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Old 12-22-09, 08:30 AM
  #72  
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Originally Posted by radicalrev
i have been using 5w20 since the dealership told me it changed from 5w30 to 5w20....
In case you missed post#55...

Originally Posted by Joe Z
Dude this bulletin is DEAD.... it was only for some 2006 model year Lexus vehicle engines

We are in 2009..

Every IS since then has had 5w30 in from the factory..

Including the IS-F and even the 2010 IS-C.


5w30 => its on the Oil Cap and in the Owners Manual

Regards,

Joe Z
Last edited by Joe Z; 12-22-09 at 08:33 AM.
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Old 12-22-09, 08:30 AM
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Originally Posted by LilMan23
hey guys i have a is350 and i just got my car and i was wondering what oil should i use? im deciding to go with mobil 1 but have no clue which one =/ should i use the 5w20, 5w30 or the 0w30? which one is more reliable and works best? and should i get "synthetic" or non-synthetic
Use Mobile 1 Synthetic, and also make sure that you get the OEM dealer filter. You can buy it at Toyota - Part number is: YZZA3
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Old 12-22-09, 10:25 AM
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Originally Posted by someboy
i am thinking about using mobile one 0w-30 for my next oil change
same here !!!
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Old 12-22-09, 11:38 AM
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I use pennzoil platinum 5w30. After countless researching on this topic it seems to be the best all around weight for daily. Also depends on your climate location..
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