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| View Poll Results: Which oil do you use? | |||
| Amsoil |
   
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81 | 22.56% |
| Castrol |
  
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19 | 5.29% |
| Champion |
  
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0 | 0% |
| Chevron |
  
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0 | 0% |
| Conoco |
  
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0 | 0% |
| Citgo |
  
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0 | 0% |
| Havoline |
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1 | 0.28% |
| Interstate |
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0 | 0% |
| Kendall |
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1 | 0.28% |
| Lowe |
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0 | 0% |
| Marathon |
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0 | 0% |
| Mobil 1 |
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224 | 62.40% |
| Motorcraft |
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0 | 0% |
| National |
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0 | 0% |
| PennZoil |
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4 | 1.11% |
| Quaker State |
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3 | 0.84% |
| Redline |
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10 | 2.79% |
| Royal Purple |
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11 | 3.06% |
| Valvoline |
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5 | 1.39% |
| Voters: 359. You may not vote on this poll | |||
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Thread Tools | Display Modes |
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02-27-2014
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#1 |
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Join Date: Dec 2012
Location: NC
Posts: 1,783
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Re: Which oil do you use
In the Z? Any synthetic.
I owned a fleet for courier & delivery. They got whatever was on sale. When oil gets changed every 3 weeks (5k), it doesn't matter too much... |
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02-27-2014
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#2 |
 
Join Date: Jan 2010
Location: Mystic CT
Posts: 2,632
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Re: Which oil do you use
How come everyone likes 10/40?
GM recommended 10/30. |
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02-27-2014
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#3 | |
 
Join Date: Jan 2009
Location: Portland Oregon metro area (Washington side)
Posts: 3,193
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Re: Which oil do you use
Quote:
 Seriously I use 10w30 with two qts of 10w40. Just seems to quiet the CTT noise better.
__________________
Scott  Vett owner since 1979._It's about the car and the people |
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02-27-2014
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#4 |
 
Join Date: Oct 2013
Location: Wichita Falls,Tx
Posts: 594
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Re: Which oil do you use
GM also recommended 5W-30 and my 90 would burn a quart of that every 600 miles. Switching to 10W-40 reduced consumption to about one quart every 1,200 miles and also quieted down the CTT rattle considerably.
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02-27-2014
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#5 | |
 
Join Date: Feb 2012
Location: Ledyard,CT
Posts: 8,336
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Re: Which oil do you use
Quote:
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Hybrid Mode
