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Old 04-17-2012, 04:43 PM
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Shift Kit or Shift IMPROVEMENT kit?

Hey Guys,

I dont know squat about trannys...but I am attempting to put a new torque converter into my 73 roadrunner. I have a 2300 stall TC, the car has a low compression 440. I dont know whether to buy and install a shift kit or a shift improvement kit? I have gotten different opinions on this....especially from other mopar guys...(we are a weird bunch ) but not sure what to do. I want to improve the launch....anyone have any input? also, which company and kits are good???

Thanks

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Old 04-17-2012, 09:19 PM
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All that trans valve body needs is 3 feed holes opened up and the Pressure regulator adjustment screw turned counter-clockwise 2-2 1/2 turns..and theres your shift kit for the mild street TF trans's...and you'll have nice shifts....but since you claim to have limited knowledge on them...If I were you,I'd get the cheaper shift improver kit,and for 30 bucks,they will give you a seperator plate with them telling you to drill those 3 holes out,and instructions on how to do the job of taking it apart,and putting it back together....and you'll get the same nice shifts. The B&M improver kit would suffice.
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Old 04-20-2012, 07:13 AM
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avoid B&M kits, Get a trans go Shift "Correction" kit, these correct factory flaws, not just do the min to get a hard shift, remember you want the shifts firm and quick, not neck snapping, if its breaking the tires loose, its hard on parts. I personally wouldn't have anything to do with any B&M junk.
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Old 04-20-2012, 09:52 PM
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shift kits?

been doing these things 35+years above info is correct but there are 3 different type kits out there,first is the shift corection kit ,corrects shift timing issues for oem rebiulds around 25 bucks .the second is the shift kit as sold by B/M firms up shifts but does nothing for timing aroung 30 bucks and the shift recalibration type kit that does all the above for around 90 bucks,in your case a transgo TF2 would be a good kit also Superior has a similiar type kit (basically the same)but with a few more options.also youll need a cooler with that converter. paul b
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Old 04-21-2012, 07:54 PM
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cooler?

My 440 is a low compression(1975) engine and I have a 3 core aluminum radiator...didnt think id need a cooler with the new converter.....maybe I do?
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Old 04-22-2012, 07:02 PM
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it wont hurt
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