Anyone using a racing fluid to enhance transmissions performance? How good is it? Comments on performance? Any specific brand? Where did you get it? Cost?

I have the E4OD.

Thanks in advance for your replies.

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My Ride: 1998 F150 4x4 Lariat Supercab Flareside 5.4L in Oxford White/gold, ORP, Tow Package, 3.55 Gears.

Modifications: K&N FIPK, Gibson Supertruck, Stepshield door sill protectors, Performance Accesories 3" Body Lift, Superlift 3" lift blocks, Lift Lips, Gabriel Gas Ryder LT VST Shocks, Daystar Front Anti-sway Bar Polyurethane Bushings, Heckethorn Steering Stabilizer and 35x12.5R16.5LT BFG All Terrain KO's on 16.5x9.75 American Eagle 589's.

Photos at: http://www.communicomgroup.com/jmtruck

 

I've used Mobil 1 synthetic ATF. It's about $5 a quart.

Whatever you decide to use make sure it says MERCON (not MERCONV) on the bottle. That's the fluid specification that the E4OD needs to live.

Mark

 

Mark

Does it improves friction or the firmness when shifting? I've heard Mobil products are great. What advantages can we get by using this specific one?

Thank you for the reply.

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My Ride: 1998 F150 4x4 Lariat Supercab Flareside 5.4L in Oxford White/gold, ORP, Tow Package, 3.55 Gears.

Modifications:
K&N FIPK
Gibson Supertruck Exhaust System
Stepshield door sill protectors
Performance Accesories 3" Body Lift
Superlift 3" lift blocks
Performance Lift Lips
Gabriel Gas Ryder LT VST Shocks
Daystar Front Anti-sway Bar Polyurethane Bushings
Heckethorn Steering Stabilizer
35x12.5R16.5LT BFG All Terrain KO's
16.5x9.75 American Eagle 589's.

Photos at: http://www.communicomgroup.com/jmtruck

 

Fresh Mobil 1 ATF will make the shifts as firm as they were when the truck was new. It won't make it firmer.

The advantage of synthetic is that it will stay like new longer than conventional fluid, plus it will make the transmission run cooler, and it lubricates better.

Mark

 

Did you flush out your entire transmission when you changed to Mobil 1 or can it be mixed with the regular ATF?

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1999 F-150 Lariat SC

• 5.4L
• E4OD
• 3.55

MODS:

• K&N Cold Air Mod
• Superchip
• Cat-Back Exhaust

 

Mobil 1 can be mixed with any other MERCON fluid.

I prefer to change all the fluid at once, either by dumping the pan and draining the converter, or by removing a cooler line and pumping it out as I refill through the dipstick tube.

Mark