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Trans oil brands

3132 Views 10 Replies 6 Participants Last post by  cyclone3565
My dealer wants $12.79 per liter for Mercon SP. The mechanic doesn't know that you can use Mercon Lv now. I'm going to drain the oil and change the external filter and would like to know if there is a aftermarket oil that will work without screwing up the trans? While searching I found a thread where Mark said " I only recommend MERCON SP or MERCON LV for the TorqShift. Anything else has the potential to do very expensive damage to the trans and/or solenoids." Does that mean ford oil only?

Valvoline Max Life Dex/Merc says it is compatable with Mercon, Mercon V, Mercon SP and Mercon LV. It is only $22 at Wally World for 5 liters.
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No, it does not mean Ford oil only. There are several oils that have a MERCON SP or MERCON LV rating. Read the labels.
Those large pans are a good way to spend extra money. There, I kept it positive!

The only other advantage that I know of is that they look cool. They don't cool the fluid, though. You need a transmission cooler to cool the fluid.
You dont think the extra fluid volume is any big asset???
Maybe a little. But not enough that I would spend money for it.

A larger volume of fluid will take longer to get hot. The same amount is flowing though the coolers with either pan, so the heat rejection is the same. The larger pan will take longer to get hot, and will also take longer to cool because of the larger volume. Does that make things better for the transmission? No, it doesn't. A larger cooler will do a much better job of keeping temperatures down.
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