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Stealership put 5W-20 in my V6 - ROUSH PICS ADDED

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Old 09-29-2007, 07:17 PM
  #31  
hammeron
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Default RE: Stealership put 5W-20 in my V6

i'd give him a 97% accuracy rating it wasn't
anything personal, he would have said the same thing to
me, if i said i was driving low miles every day.
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Old 09-29-2007, 11:42 PM
  #32  
thewarmachine
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Default RE: Stealership put 5W-20 in my V6

Ok, why does Brenspeed offer Royal Purple syn oil in 5w-20, but Mobil 1 syn oil in 5w-30....both for the GT?
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Old 09-30-2007, 04:27 AM
  #33  
howarmat
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Default RE: Stealership put 5W-20 in my V6

haha, i never noticed that!. I would call them out on that and see what they say...
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Old 03-15-2009, 12:05 AM
  #34  
Fullsayl
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Actually I think we determined that the Mexico Users Guides recommend 5W-20? This has been discussed at length before, though I admit to being to damn lazy tonight to do the search. FWIW - I have been running 5W-20 Mobile 1 Synthetic since 1500 miles.

~Matty
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Old 03-15-2009, 06:58 AM
  #35  
svastano
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Shouldn't hurt a bit. I have even mixed viscosities. Had a 79 F150 and I used a mixture of 15W40 and 10W40 in it no problems....
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