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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Help!!!!! ???

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Old Jul 24, 2007 | 11:49 PM
  #1  
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crossxc
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Help!!!!! ???

Hey,
Taking a road trip tommorow in te truck I bought a few months back. 1990 F150 5.8L V8
The guy was using Amsoil synthetic 10W and I just got gas and checked
the level......LOW You can't buy Amsoil at the store. Can I add Mobil 1 instead
until I can order Amosoil on the internet. Someone once told me if you change some oils or mix them the oil can turn to peanut butter. Any advice would be great!
 
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Old Jul 25, 2007 | 12:08 AM
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Skandocious
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I've never heard of that... Just make sure you use synthetic oil and you should be fine.
 
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Old Jul 25, 2007 | 12:13 AM
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thanks! i finally checked Amsoil and n the product description it actually says it is
compatible with any oil....damn I was nervous for awhile!
 
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Old Jul 25, 2007 | 12:18 AM
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Skandocious
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Yeah many of the guys on this site don't like amsoil. Apparently the company is involved in some political issues that don't agree well with some of the members, I don't really know much about it. All I know is that I used it for my ATF change and it was too much of hassle to FIND it let alone PAY for it, stuff is expensive! I would switch it over to something easier to find like Mobil 1 or Valvoline. Just make sure to keep it synthetic because these high-mileage engines get used to what you've been giving them and don't react well to change. Good luck with the truck man! Sounds like the guy took pretty good care of it if he was spending the money on amsoil!
 
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Old Jul 25, 2007 | 12:28 AM
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yeah...believe it or not it has 61,000 original miles on it. You could

eat off the engine....it helped the previous owner was 87!!
 
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Old Jul 25, 2007 | 12:30 AM
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Damn, nice find! How 'bout some pics and/or specs?
 
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