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Discussion Topic:
Gear Lube
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silverchief |
05-15-2016 @ 8:58 AM
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Senior
Posts: 520
Joined: Oct 2009
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I have Super Tech 85W-140, Valvoline 80W-90, and Amsoil 75W-90 in my garage. Any problem in I accidentialy mix one with the other?
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Drbrown |
05-15-2016 @ 8:57 PM
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Senior
Posts: 570
Joined: Nov 2013
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Would help if the containers list ingredients so you had some info to compare. Mixing the similar grades "might" be okay but others here could advise better.
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len47merc |
05-16-2016 @ 4:34 AM
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Senior
Posts: 1165
Joined: Oct 2013
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As a matter of practice I never mix synthetics (Amsoil) with regular oils (Valvoline or SuperTECH, the others you referenced). Additionally, depending upon the application (year, model, rear-end versus transmission versus steering box, etc.) you may see less than optimal shifting performance &/or more leakage if you've mixed weights with the regular oils. If in the rear-end you may not achieve the minimal level of lubrication required for effective performance as designed by Ford. For our EFV8s I stick to the standard oils and weights as specified in the SHOP MANUALS, Motors Manuals and Service Bulletins. Steve
This message was edited by len47merc on 5-16-16 @ 4:38 AM
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Drbrown |
05-18-2016 @ 10:18 PM
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Senior
Posts: 570
Joined: Nov 2013
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To improve gear shifting I use StaLube brand 90w in my tranny and 140w in my OD and rear end. The condition of your drive train (i.e. leaking seals, condition of gears) affect your choices.
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silverchief |
05-19-2016 @ 9:51 AM
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Senior
Posts: 520
Joined: Oct 2009
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Thanks guys. I only use the Amsoil in my steering gear box, and the other two in my trans and differential.
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