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6.4L Power Stroke Diesel Engine fitted to 2008 - 2010 F250, F350 and F450 pickup trucks and F350 + Cab Chassis

Coolant/oil recommendations

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Old May 13, 2021 | 08:54 AM
  #1  
96 OBS's Avatar
96 OBS
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Laughing Gas
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From: Fowler Colorado
Coolant/oil recommendations

Alright fellas I’m ready for some opinions. ( I expect a lot) what oil/coolant do you guys like to run in your 6.4? I’m about to buy one this weekend and that’s the first thing I’ll do. It is deleted if that makes a difference. I feel like when it’s deleted most people think synthetic is best? Maybe rottela T6? For coolant I think I’ve seen people say the gold?
 
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Old May 14, 2021 | 06:22 AM
  #2  
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mjones_ford
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Oil - Rotella t5 is fairly cheap and readily available for me
Coolant - Motorcraft gold, pretty cheap at the dealer by me, $16 a gallon
 
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Old May 14, 2021 | 08:03 AM
  #3  
96 OBS's Avatar
96 OBS
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Laughing Gas
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From: Fowler Colorado
Originally Posted by mjones_ford
Oil - Rotella t5 is fairly cheap and readily available for me
Coolant - Motorcraft gold, pretty cheap at the dealer by me, $16 a gallon

t5? Never heard of it. Where do you get that?

that’s surprisingly cheap for motorcraft gold at a dealer. Do they normally keep it on hand?
 
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Old May 14, 2021 | 08:21 AM
  #4  
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mjones_ford
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Originally Posted by 96 OBS
t5? Never heard of it. Where do you get that?

that’s surprisingly cheap for motorcraft gold at a dealer. Do they normally keep it on hand?
T5 is the synthetic blend. I get it from Menards. But any Auto Part store or Home Depot should have it.

They keep a ton on hand at the dealer.
 
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Old May 14, 2021 | 02:51 PM
  #5  
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Rudiak
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From: Atlanta
Motorcraft 15W40 and Ford gold coolant. 218k and no issues. I change oil at 5k, fuel filters at 10k, Transmission fluid 90k (Mercon LV), Coolant 100k.
 
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Old May 14, 2021 | 02:54 PM
  #6  
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96 OBS
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Laughing Gas
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From: Fowler Colorado
Sounds like what my maintenance schedule will be. I’ve been wondering about the motorcraft oil myself I might try that out too
 
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Old May 15, 2021 | 04:11 PM
  #7  
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dathorn1
Trailering
Joined: Jan 2021
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From: Murfreesboro, Tennessee
Gold coolant question

Okay, I have been using the Motorcraft Gold coolant. I had my truck in the shop to replace the compressor and he noticed that the coolant level was low, so he topped it off with the "universal" coolant, which almost looks like the green stuff. What can happen? do I need to flush my system? He just filled the overflow bottle to the full mark.
 
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