Need help on aod 5.o issues

89convstang

New Member
May 19, 2004
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I have an 89 gt 5.0 that has issues as far as kickdown with the transmission....the lovely aod.....really more of a pain then anything....the car is stock other then a bbk cold air intake....i have read articles on adjusting the throttle valve cable but still unsure of it totally....got the metal clip out and tried to get out the plastic clip on the cable but so many articles don't go into details on this adjustment....believe it is an adjustment issue or a sticky linkage.....never had an auto 5.0 before and need help....the timing is good set at 10 degrees and in neutral or park you can give it throttle and it doesn't hesitate at all....only when in gear and seems to be slugish on the kickdown.....espically when it is cold.....the car just doesn't have the get up and go a 5.0 should have even though it is an automatic.....have even thought about trying to make it a t-5 and do the whole 9 to make it a 5 speed....any help would be appreciated.....why does this 5.0 run like crap? the motor has 120,000 and the transmission is strong with plenty of pulling when in gear....no leaks....just needs some tlc....but not quite sure where to start....i have already timed it and cleaned the k&n, throttle body, and idle speed sensor
 
Adjusting the throttle cable valve won't help much with a sluggish engine. It has more to do with shift points and if done wrong can really mess up your trans. Have a pro do it and avoid any problems. Have you adjusted the tps sensor, could really help with the off idle sluggishness.

The rear gears are also going to kill the acceleration of your stang. Its probably got the 2.73's and you probably can't spin the tires from a stop. Get some gears and then maybe a converter and you'll be suprised how it will make your car feel.