I am having my kaput trans rebuilt... Should I go with atf+4 or Mobil 1 fully synthetic?

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Trevor

'05 Limited CRD Inferno Red Pearl Coat
Home made provent installed @ 35443, SEGR installed @ 35466, Fumoto valve @ 37500, trans and transfer case skid, In tank pump installed @ 43500, Suncoast TC & Transgo Shift Kit @ 44730, EGT, Boost, Trans temp gauges, Samco hoses, Rebuilt Trans w/ HD454RFE kit @ 56K, Inmotion Stage 2 @ 56K

I really don't trust multispec atf. If it explicitly says it works for atf4, knock yourself out. But it is not licensed, is it? regardless of the reason, it is nOt licensed, and there is no proof out there that it is better than mopar/valvoline aft +4. Unlike other unlicensed un sae approved fluids by amsoil, for example, in witch there ARE numerous UOI's available that show good to great wear numbers etc.

Considering the price of the m1, vs normal atf +4 witch is like <5 dollars a quart, i would think twice about mystical unproven benefits. I very highly doubt your trans is dead because of your Mopar or Valvoline atf +4.

I would love to see some scar pattern data on atf+4 (witch is HIGHLY regulated to be compatible with the atf license) vs the m1 and amsoil multispec.

ALL licensed atf +4 is the EXACT SAME ADDITIVE PACK. The only difference is the source for the base oils. (all must be synthetic) this means that you can use the wallmart supertec aft+4 and not worry about it. Is the mopar/valvoline base oil in excess of quality vs supertec? I dont know. There's no data out there.

EDIT:

Licensed ATF+4® Brand Names

Advance Auto Parts ATF+4®
Carquest ATF+4®
Castrol ATF+4®
Chevron ATF+4®
Citgo Transgard ATF+4®
Coastal ATF+4®
Conklin ATF-Xtra Plus ATF+4®
Formula Shell ATF+4®
Great Wall ATF+4®
Havoline ATF+4®
MAG 1 ATF+4®
Mobil ATF+4®
Mobil Super ATF+4®
Mopar ATF+4®
MotoMaster ATF+4®
NAPA ATF+4®
Northland ATF+4®
O’Reilly ATF+4®
Parts Master ATF+4®
Parts Plus ATF+4®
Pennzoil ATF+4®
Petro-Canada ATF+4®
Quaker State ATF+4®
Ravenol ATF+4®
Sinopec ATF+4®
Super Tech ATF+4®
Texamatic DC ATF+4®
Ultramax ATF+4®
Valvoline ATF+4®


SAE paper #982674 <-- the development of atf+4
http://u225.torque.net/cars/tech/trans/982674.pdf

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06 CRD Limited. IMII, GDE TCM, Carter transfer pump, Upgraded oem primary, 2 micron secondary, 3 inch mandrel straight pipe.
Transgo shift kit, EHM, fcv butterfly removed, egr plated off. 19 3/8 solid flex fan, no electric fan, 10k lb aux trans cooler.
Frankenlift II, Mopar skids, allj's rails, 235/85 km2 on stock rims