ORIGINAL: jebarr

Hello guys. I recently purchased a '94 GT vert, and joined the forum shortly thereafter. I have pretty much lurked, as I don't have much advice to offer, but now I need to clear a few questions up.

1. This car is an automatic. Is it an AOD, or an AODE? What is the difference, & why do I care?

I can't remember, but if you have a switch for o/d then it is an AODE

2. The transmission seems to jump between gears, back & forth. It doesn't slip, it just seems that it can't decide which gear it wants to be in. Where do you suggest I look first?

This leads me to belive it is an AOD, especially if this happeens around 40 mph or so give or take a few. They are notorious for hunting in and out of o/d due to the design, using a throttle valve to control shift points and pressures.

ORIGINAL: jebarr

Hello guys. I recently purchased a '94 GT vert, and joined the forum shortly thereafter. I have pretty much lurked, as I don't have much advice to offer, but now I need to clear a few questions up.

1. This car is an automatic. Is it an AOD, or an AODE? What is the difference, & why do I care?

should be aode. if i'm not mistaken e stands for electric. i believe the are controlled by the computer while aod's (93 down are all mechanical.
2. The transmission seems to jump between gears, back & forth. It doesn't slip, it just seems that it can't decide which gear it wants to be in. Where do you suggest I look first?

3. My fuel tank leaked at the filler neck, so this weekend I replaced the grommet per 86 5.0's suggestion. I had originally ordered a new tank, not knowing the grommet often goes bad, so thank you for the useful & money-saving tip.

4. My first mod will be gears. It is not a daily driver, but may see highway miles off & on, so I'm leaning towards 3.90's. Do any of you agree. (I know it's been asked a million times, I have read all the stickies & hundreds of old posts). What exactly do I need to order, ie gears, pinion?, speedometer gear?. Any other parts/pieces?

if its not a daily driver and it won't see that many highway miles why does it matter what kind of gas mileage it gets? go 4.10's. you have a heavy car, and the steeper gear will help. you need the gears (ring and pinion come in a set), and an install kit. i'm not sure whether or not you have an electric speedo. look on summitracing.com for all the parts you need.I have learned a tremendous amount over the past month just reading through this forum, & I would like to thank you in advance for all your help.

I also forgot.....is this MAF or speed density? What is the difference, & which is preferable?

you have MAF. maf measure the actaul amount of air coming into the motor, via a maf meter. it is the silver round piece in your intake tract after the air filter. inside is a small piece of wire that is heated (and cooled by incoming air). that sensor (among others) tell the ecu how much o2 is coming in and adjusts fuel accordingly.

speed density has a bunch of preset parameters that tell the ecu how much air "should" be coming in.

MAF is prefered.

ORIGINAL: jebarr

Any ideas on the tranny problems?