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post #1 of 8 (permalink) Old 03-14-2010, 06:51 PM Thread Starter
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Location: Cape Coral, FL
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1994 LX Bird

Just bought my first 'bird and I have a question. My car is a 4.6 automatic that seems to shift good from 1-2 but 2-3 seems to drops into third at really low rpms. It just seems a little strange. I don't think it's slipping, just doesn't seem normal. Could this be caused by a faulty O/D button on the shifter? I am used to GM products, this Ford stuff is new to me. I love this car and I want to get it perfect. Any help with my learning curve is really apprciated. Thanks.
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post #2 of 8 (permalink) Old 03-14-2010, 08:48 PM
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Shifting 2-3 should have nothing to do with the OD. The OD is an additional 4th gear. Search the forum for J-Mod. That should solve your issues.
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post #3 of 8 (permalink) Old 03-15-2010, 04:28 AM
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Awesome! Another FL TBird! I also have a 94 and unfortunately these cars have sloppy shifting programming and valve body configuration. The shifts from 2 - 3 are very sloppy. This is my 3rd Bird and they've all done this.

Jason
- '97 Mark VIII LSC 'Dark Navy Blue'
- '94 Thunderbird LX 4.6
Previously...
- '98 Cobra
- '95 Thunderbird LX 4.6
- '95 Buick Roadmaster LT1 wagon
- '95 Mustang GT
- '95 Mustang GT-S
- '89 Mustang LX 5.0 notch
- '92 Chevy Cavalier Z24
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post #4 of 8 (permalink) Old 03-15-2010, 05:17 AM
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J-Mod

After the J-Mod, my 2-3 shift is firmer than any of the other shifts on my 1995!
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post #5 of 8 (permalink) Old 03-15-2010, 06:31 AM
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Originally Posted by NetKeym View Post
After the J-Mod, my 2-3 shift is firmer than any of the other shifts on my 1995!
I find that hard to belive. Depending on how you did your J-mod, the 1-2 shift should be the firmest.

Mods? Yea, I got mods ...
Air silencer delete, warp drive, dilithium crystals, flux capacitor, Slingshot Rubber band power adder, Moonshine & Gas, Leaf Blower Supercharger, Hamster Wheel & Hamster, Energizer Bunny generating 1.21 gigawatts, Mr. FusionŽ Home Energy Reactor, hover conversion and a sextant celestial navigation system (The original GPS)
Best 1/4: 1,320 nanoseconds @ 670,616,629.2 miles per hour

"There isn't that much difference anymore between spacecraft, aircraft and modern automobiles..." - Keith Henry, NASA's Langley Research Center
See a list of my real mods and pictures of my car HERE. The true performance of my car was made possible by the Carolinas Crew Chief, RobertP at Rob's Tire & Auto
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post #6 of 8 (permalink) Old 03-15-2010, 11:16 AM
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I also had a 94 4.6l. I always had problems with it jumping in and out of OD while crusing over 60MPH. It did it even when i used Crusie Control. It wass annoying as hell!
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post #7 of 8 (permalink) Old 03-15-2010, 03:00 PM
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After the J-mod, mine is also still sluggish in 3rd, even though the shift is crisp. It is the delay from when the shift occurs to when the TC lockup occurs. You are kind of in no man's land until it locks up!

Of course, this is low speed cruising only.

Al

97 T-Bird LX 4.6 - 80k miles
94 Supra TT Auto - street/strip car
04 CVPI- Brenda's car - 76k miles
Previous Fords:
95 T-Bird LX 4.6 - fully optioned, owned 15 years, 220k miles
96 Cougar XR-7 4.6- Brenda's car, owned 11 years, 187k miles
88 T-Bird 3.8 - first T-Bird, owned 5 years, 206k miles
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post #8 of 8 (permalink) Old 03-16-2010, 03:42 PM
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Quote:
Originally Posted by GT_any View Post
I also had a 94 4.6l. I always had problems with it jumping in and out of OD while crusing over 60MPH. It did it even when i used Crusie Control. It wass annoying as hell!
I had the same problem on my '95; after the j-mod, my problem went away.

Quote:
Originally Posted by Trunk Monkey
I find that hard to belive. Depending on how you did your J-mod, the 1-2 shift should be the firmest.
No lie, but I also put the purple spring in under the 1-2 accumulator (Daniela INSISTED - said we aren't teenagers anymore Talk about a buzz kill, huh?). Of course, 2-3 only hits harder if you leave it in Drive; if you manual the 1-2 shift, the 1-2 is MUCH harder of a shift.
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