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Discussion Starter #1
well swapped in some 3.73's to replace the 2.73's in my 88 t-bird car feels absolutley no differant then it did before? I have done lots of gear swaps and the change was very very noticable expessially with the aod trans. Just wanted to rant a little ifter i took the time to change them :(
 

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i bet money youd see a difference at the track :)
Jake.
 

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Discussion Starter #3
max_Sleeper said:
i bet money youd see a difference at the track :)
Jake.




i am taking it out this coming friday for a little t+t
 

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2.73's to 3.73's, there must be a noticable difference. I just bought 3.73 gears for my 93 bird and can't wait to get them in.

Bri
 

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SLEEPER T-BIRD 87 said:
i am taking it out this coming friday for a little t+t
cool let me know how she does :)
what did she run b4?
 

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you must be able to see a difference for rpm's at any given speed/gear.........

Is the speedometer calibrated for the new gears?
 

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Discussion Starter #7
max_Sleeper said:
cool let me know how she does :)
what did she run b4?

it will be this ones first time out i am expecting some 9.0's 1/8 mile out of it
it's nothing fast maybe close to a stock 5.0 mustang if not just a hair quicker
 

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Discussion Starter #8
mamberg said:
you must be able to see a difference for rpm's at any given speed/gear.........

Is the speedometer calibrated for the new gears?

yes, there is an rpm differance as with any gear change



no i haven't messed with the speedo yet i assume it takes a standerd gear with the full digital speedo/cluster
 

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SLEEPER T-BIRD 87 said:
it will be this ones first time out i am expecting some 9.0's 1/8 mile out of it
it's nothing fast maybe close to a stock 5.0 mustang if not just a hair quicker
Don't be too upset when it runs a 9.50 or slower... Actually I'm pulling for the 9.0, but knowing how these things run with the stock cam I'm doubting it...
 

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Discussion Starter #10
TurboCoupe50 said:
Don't be too upset when it runs a 9.50 or slower... Actually I'm pulling for the 9.0, but knowing how these things run with the stock cam I'm doubting it...


me to but ya got to have a goal :D
 

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ive gotten 9.0 in the eighth with stock H.O. cam with 3.55 gears :)
heres my timeslip from last year same engine as in sig without the cam i now have

60' 2.038 (using some cheap slicks)
330' 5.835
1/8 9.036 @ 77.08 mph
1000' 11.782
1/4 14.105 @96.66 mph (was bracket race i had lost so i let off right before the line would have been a 14.0 )

i think you can pull a 9.0 no problem if you have grabby tires :) heatem up real good too.
 
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