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1997 - 2003 Ford F150 General discussion on the Ford 1997 - 2003 F150 truck.
Old 01-28-2015, 03:41 PM
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Issue: Best type of oil for 5.4 liter triton?

Some users recommend doing a Used Oil Analysis (UOA) to find out what oil works best for you.

Factors to consider:
  • Viscosity
  • Weight
  • Additives
  • Detergents

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Best type of oil for 5.4 liter triton

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Old 03-19-2022, 07:33 PM
  #81  
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THIS was interesting from the posted TSB... a small quote;

Ph 3 of Article No. 02-1-9
1997-2002 2V 5.4 F150-250
(under GVW 8500 lb only) Expedition E-Series, E350 Chassis/RV/Cutaway
So 20 wt yields to 30 for F150s over 8500 lbs. Some of us then MIGHT up to a 5-30 for certain trips. Too bad noone makes a 5-25, heh heh. I might use this as a reason to use my 5-20 & 5-30 mixes, at least sometimes or if I add a camper. (I do run a topper.) Maybe 4qts of 5-20 & 2 of 5-30. Heh heh!

My low traffic street barely has a down-slope, but I use it to idle a long block down to the corner to let oil begin to circulate up to the cams etc. I go easy for 2 more minutes. (Wish my oil pressure gauge was not a PHONY. I WANT/NEED to get one of those tuners w a myriad of sensor readouts.)

Read up on the hyper-something pistons, mentioned, that seems to apply to our 10th gens. Only good to 500HP, brittle, but expand 1/10th as much as forged. (Tighter piston-wall tolerances possible.)

Last edited by BillSF9c; 03-19-2022 at 07:38 PM.
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Old 03-20-2022, 08:15 AM
  #82  
'97 F150 V8 4.6L
 
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Originally Posted by white89gt
It says to improve fuel economy.
...ah thanks. It's what I suspected. I'm sticking with the 30w stuff. If I was worried about fuel economy the truck wouldn't be in my driveway. How much better could it be? One mile per gallon? I doubt even that. I got burned bad by GM trying to meet CAFE standards at the time so I take everything with a grain of salt.
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