Originally posted by mrltd
You will be replacing the transmission and will be waiting for a tow truck 
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Pretty much. OD is the weakest gear in the trans. It also locks the torque converter so there is no torque multiplication. All this puts a huge strain on the transmission and the engine. Its much happier towing in D because the RPMs are up into the power band. I'll tow really light stuff in OD, like an empty tow dolly or something since its only a couple hundred pounds, but if it has any kind of weight it goes into D.86 Lincoln Town Car (Galactica).
5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley
91 Lincoln Mark VII LSC grandpa spec white and cranberry
1984 Lincoln Continental TurboDiesel - rolls coal
Originally posted by phayzer5
I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers -
good to know I rearly ever tow anything over 500.00 pounds but that does make sense I manily my trailer ways like 270 empty.
1989 mercury grand marquis gs / 2014 ford focus s daily driver
302 lopo with ho upper/ aod with trans go shift kit
k code 3:55 posi rear/big brake swap tow package car
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That isn't an issue around me. Surge brakes are now illegal in Wisconsin. The trailer MUST have electric brakes.Originally posted by grandpaslincolnComment
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That is why you should have 3.55 or higher gears. Locking the transmission up puts less strain on the transmission because there is no heat from converter slippage. AOD's 3rd gear from the factory "locks" the converter up. Not 100% of the power is being transmitted through the locked up shaft though. Since the clutch is in the transmission, the converter never ever ever actually locks up in an AOD. The power is merely transmitted directly from the converter body thru the shaft to the transmission and the fluid coupling is eliminated.Originally posted by gadget73
Since there is no slippage, there is a more efficient power transfer and less horsepower is sucked up by the converter. Hot transmission fluid will heat up your coolant in the radiator.
Engine oil cooler is just as important as a transmission oil cooler.Comment
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