GT Performance Mods 2005+ Mustang GT Performance and Technical Information

I just put gastrol 10w-40 in? Okay for couple of miles?

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Old May 29, 2007 | 03:20 PM
  #21  
91svtcoupe's Avatar
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Okay....

Okay I See This Subject Still Upsets People.......i Always Run 20w-50 In My Supercharged 5.0 Coupe...i Am Going To Run It For A Few Thousand And Then Change It Out......thanks To All
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Old May 29, 2007 | 03:42 PM
  #22  
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Personally I run whatever the Ford guys put in my car since I don't do my own oil changes (yea I know it's easy, I live in an apartment where I'm not allowed to do such things...)

But since the last link was indeed a product web site, I found one that is not trying to sell anything.

My point is only that running heavier oil isn't likely to cause any problems for the thread starter. Not that it should be ran with heavier oil.

This should set your mind at ease http://www.machinerylubrication.com/...?articleid=518
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Old May 29, 2007 | 09:03 PM
  #23  
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well put....

this says alot....thanks

"Viscosity and Wear
Thinner oils have less drag, and therefore less friction and wear. Right? Perhaps in the test engine or engines that experience normal operation. But somewhat thicker oils may offer more protection for more severe operations such as driving through mountains, pulling a boat, dusty conditions, short trips, high rpm, overloading, overheating and overcooling.
Ford is bumping up against its CAFE requirements and recommends SAE 5W-20 oil for most of its engines in the United States. It claims SAE 5W-20 is optimal for fuel efficiency and wear.
To determine if SAE 5W-20 oils provide the same level of protection as SAE 5W-30 oils, Dagenham Motors in England, one of the largest Ford dealers in Europe, was consulted. SAE 5W-30 is required for warranty purposes in England, and SAE 5W-20 is not even available. If SAE 5W-20 were better for both fuel economy and wear, why would Ford not recommend it for its same engines in Europe? "
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Old May 29, 2007 | 09:21 PM
  #24  
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From: N.E. Ohio
Originally Posted by DynamicmustangGT
5w-20 that thickness is what will flow through all the gaps etc... as stated above. I am currently in the searchs for a pre-oiler which will oil the engine before it turns over.
search Moroso accusump.
I was thinking about one long ago, forgot about it till you mentioned it- its not a pump, just a simple accumulator that fills with oil compressing a spring/piston, or rubber bladder while running- there is a normally closed solenoid in the oil line, at turning the key on, solenoid releases stored oil back into the engine- only 'slight' drawback is possibly overfilling crankcase until the thing fills the first time...
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Old May 29, 2007 | 09:28 PM
  #25  
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dude really - pay the $15 and buy the right stuff.[/quote]

+1
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