| silverchief | -- 05-15-2016 @ 8:58 AM |
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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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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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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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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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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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| EFV-8 Club Forum : | https://www.earlyfordv8.org/forum |
| Topic: | https://www.earlyfordv8.org/forum/viewmessages.cfm?Forum=18&Topic=9672 |