Serious question about 1991 mustang GT AOD transmission - Ford Mustang Forum
 
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post #1 of 14 (permalink) Old 09-30-2009 Thread Starter
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Serious question about 1991 mustang GT AOD transmission

Sorry if this is a kinda dumb question but im stock between a T-5 swap and rebuilding my AOD transmission... My question is ive seen alot of automatic drag mustang but they were shifting the cars like they were 5 or 6 speeds.......does it have something to do with the valve bodys in the transmission? Ive seen so many C4 trannys that were shifted like clutch cars.. can someone explain this concept to me?

-1991 mustang GT SOLD


-1993 cobra clone 306, ported e7s, bbk CAI, o\r H pipe, pypes catback, longtube bbk headers, 65mm throttle body,24lb injectors with cobra 70mm MAF, trickflow intake, 1.6 roller rockers, PERFORMER CAMSHAFT.509 intake and .532 exhaust valve lift, driver mod, 4cyl T-5 to the 3.97 gear.
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post #2 of 14 (permalink) Old 09-30-2009
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the concept is, they gear there auto trans the way they want it to shift, many times the are only 3 speed's on a track car, with an auto there is almost no loss of power in between gears and you can go directly from gear to gear, which is more consistant for drag cars. but stock a manual has more torque in starting gears, if you car isnt really mod'd id go with a manual is more fun anyways =D, conversion arent fun tho...

---------------------------------------------------
1986 GT Mustang
-Mac Headers, -Glass packs
-BBK Air intake (Amzoil Air Filter) -MAF conversion
-Accufab 70mm Throttle Body -BBK EGR Spacer
-Non catted X-pipe -91 ported 70mm intake -KYB AGX Adjustable Gas Shocks
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post #3 of 14 (permalink) Old 09-30-2009
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unless your running 10s.... a t5 swap will benfit you.

mustangs in the garage for a couple months....
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post #4 of 14 (permalink) Old 09-30-2009 Thread Starter
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but, doesnt a T-5 swap cost alot 3k (labor included)?

-1991 mustang GT SOLD


-1993 cobra clone 306, ported e7s, bbk CAI, o\r H pipe, pypes catback, longtube bbk headers, 65mm throttle body,24lb injectors with cobra 70mm MAF, trickflow intake, 1.6 roller rockers, PERFORMER CAMSHAFT.509 intake and .532 exhaust valve lift, driver mod, 4cyl T-5 to the 3.97 gear.
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post #5 of 14 (permalink) Old 09-30-2009 Thread Starter
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Also what is the point behind a ratchet shifter how do they benifit? what do they really do? sorry for all the strang questions today im not myself... plus when it comes to transmissions i dont know jack.

-1991 mustang GT SOLD


-1993 cobra clone 306, ported e7s, bbk CAI, o\r H pipe, pypes catback, longtube bbk headers, 65mm throttle body,24lb injectors with cobra 70mm MAF, trickflow intake, 1.6 roller rockers, PERFORMER CAMSHAFT.509 intake and .532 exhaust valve lift, driver mod, 4cyl T-5 to the 3.97 gear.
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post #6 of 14 (permalink) Old 09-30-2009
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A ratchet shifter just shifts the tranny into the next gear. You push it up and then push it up again, it wont make the transmission shift any different.

I had my AOD rebuilt and put the 4r70w gears in it, I also had a shift kit installed. I hope to someday go with a converter that's around 3000 stall, and maybe a fully manual valve body.

I would like a 5pd, and told myself I wouldn't get a car without one, but I got a great deal on this car and it had the AOD so I figured I'd give it a try.

1988 Mustang GT, TTops, 306, AOD with 4r70w gears, shiftkit, E303, FR Shorties, BBK H-pipe, Flowmaster Cat Back, 3.73's, Trac Lok with F150 spring, Eibach springs, B&M Tork Master 2400 Converter, C&L 76mm Mass Air, Accufab 70mm TB, TMoss Ported Explorer Intake, K&N Air, Wix Oil, Mass Air, Subframe connectors, Poly Bushings, AFR 165 Heads, 24lb injectors, Scorpin 1.6 RR = 270HP, 296TQ at the tires.
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post #7 of 14 (permalink) Old 09-30-2009 Thread Starter
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Ha same here...i know what you mean... i think im just going to go with a ratchet shifter... i mean i just had a shift kit put on it do i have to do any valve body work to be safe with the ratchet shifter?... is there one made just for our cars or do i just need to pick up a b&m or something?

-1991 mustang GT SOLD


-1993 cobra clone 306, ported e7s, bbk CAI, o\r H pipe, pypes catback, longtube bbk headers, 65mm throttle body,24lb injectors with cobra 70mm MAF, trickflow intake, 1.6 roller rockers, PERFORMER CAMSHAFT.509 intake and .532 exhaust valve lift, driver mod, 4cyl T-5 to the 3.97 gear.
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post #8 of 14 (permalink) Old 10-01-2009
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Hurst/B&M , pretty much the same thing except for the handle

1988 Mustang GT, TTops, 306, AOD with 4r70w gears, shiftkit, E303, FR Shorties, BBK H-pipe, Flowmaster Cat Back, 3.73's, Trac Lok with F150 spring, Eibach springs, B&M Tork Master 2400 Converter, C&L 76mm Mass Air, Accufab 70mm TB, TMoss Ported Explorer Intake, K&N Air, Wix Oil, Mass Air, Subframe connectors, Poly Bushings, AFR 165 Heads, 24lb injectors, Scorpin 1.6 RR = 270HP, 296TQ at the tires.
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post #9 of 14 (permalink) Old 10-04-2009
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save yorself some money, stock aod with shift kits dont last, even behind a mild modded motor, i went through 4, now i have a tsi pro street aod, fully manual at wot, and it was cheap...lasted me 7 years so far, you will need to cough up for a precision industries converter though, trans cost me like 1500 back then, and a stallion verter runs 6-8 hundred bucks
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It would be a good idea to get the trans rebuilt with better bands and clutches.

Lugnutz, did you do the 1-2-1 shuffle?

My AOD has lasted me just fine but it has been rebuilt.....

1988 Mustang GT, TTops, 306, AOD with 4r70w gears, shiftkit, E303, FR Shorties, BBK H-pipe, Flowmaster Cat Back, 3.73's, Trac Lok with F150 spring, Eibach springs, B&M Tork Master 2400 Converter, C&L 76mm Mass Air, Accufab 70mm TB, TMoss Ported Explorer Intake, K&N Air, Wix Oil, Mass Air, Subframe connectors, Poly Bushings, AFR 165 Heads, 24lb injectors, Scorpin 1.6 RR = 270HP, 296TQ at the tires.
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With a few mods, like a performance valve body(shift kits may be cheaper, but no screwin around with drills), and maybe a new servo or two, and your AOD will bang en out fast and hard.

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BBK Fender Cold Air, Ford E303, Cobra Intakes, Kirban Adj Fuel Reg, FRPP 65mm TB, 19# Explorer injectors, MAF Conversion, TF Valve Springs, BBK Equal Length Shorty's, KYB's all around, Magnaflow 2.5 high flow cats H pipe, American Thunder's, 3.73's, Speedo gear, AOD w/Performance Automatic street/strip valve body, Overdrive A+ Super Servo, 2-3 Accumulator upgrade, Urethane motor and tranny mounts, Smog, EGR and A/C delete
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no uner full pressure, (wot), the tsi aod has a straight up shift pattern, (pressure locks out od), i wanted a lentech, but this was local and a few hundred cheaper.....ill tell you what, this thing is BULLITPROOF...im happy with it TSI RACING TRANSMISSIONS, ADDISON ILL... thats the last address i knew, sorry lost the #, i just know how to get thetre ...lol
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www.tsiracing.com trust me its cheaper than the rest, but better,call em
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Quote:
Originally Posted by Masshole View Post
With a few mods, like a performance valve body(shift kits may be cheaper, but no screwin around with drills), and maybe a new servo or two, and your AOD will bang en out fast and hard.
+1 I agree, and with the right valve body you can drive your car like a stick like you stole it. Although its more wear and tear, with the right config, you can drive your aod like a stick. I told my self I wouldnt get an AOD pony but after I did and rebuilt it with a good valve body I love it because you can go auto or drive it like a stick.
NOTE: NOT TRIPTRONIC

"Nitrous Oxide is like a hot chick with an STD. You want to hit it but you are affraid of the consequences."

91 GT convert. GT40P's, Off Road H-PIPE, Flowmasters, 4.10s, posi rear, welded subframes, 70mm TB, TFS Stage 1 cam, 155lph holley pump, Cobra intake mani, ford racing headers, Allum. Radiator, No smog, Freashly rebuilt......

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