View Full Version : Automatic transmission performance
03-03-2006, 11:03 PM
How do you or can you improve the performance of an automatic transmission. Chip, program or modify? Just curious and does it help?
03-03-2006, 11:20 PM
Get a shift kit, that firms the shifts, and changes the shift points, and get a high performance valve body. You can get a Full Manual valve body, or one that allows you to selectively shift the trans on your own.
One thing to consider is the rear end gearing of your vehicle. If is seems your transmission is working hard, it may be better to get different ratio rear end, like 4.10 or such.
03-04-2006, 02:25 AM
just run around with the overdrive in the off position ... you will spend a little more in gas but save in the long run with transmission costs.
03-04-2006, 02:53 AM
they dont have chips. have my buddy baker do a mod to it. his homemade shift kits are unbelievable. second gear scratch guaranteed!
03-04-2006, 07:09 AM
What your looking for is a towing upgrade package. I say package because you can usually do a number of things to upgrade what you have now.
This what I have done to my 1995 F-150:
20,000 pound tranny cooler from Transdapt.
Upgrade from open 3.08 gears to Traction-Lok (Ford's version of the Posi) 3.55 gears
Added Roadmaster load carrying springs. These spring don't significantly jack the back of the truck up like "Add-A-Leaf" springs do and they are adjustable.
I called the Ford AODE experts at Baumann Electronic Controls and inquired about upgrades to my 4R70W tranny. They asked me a butt-load of questions about the use of the truck, weight pulled, how it acts when pulling and non-pulling, how often I change the fluid etc. and then they said the tranny was fine and to just continue what I was doing without changing anything in the tranny.
These guys had a golden opportunity to sell me the store if they had wanted to but they told me the truth instead. If you have a Ford check them out at www.becontrols.com.
03-04-2006, 01:09 PM
If your truck is a diesel, these guys can hook you up. Usually upgrading a transmissions performance includes a new valve body and torque convertor and shift kit. Pricing is unbelievable when it comes to upgrading transmissions but you get what you pay for. Dont just buy a shift kit and expect it to perform like a built tranny. These companies also offer fully built transmissions, once your tranny is built you can add power to the engine via chips, programmers and bolt in upgrades. Happy bombing
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