Technical > Dan Dishon's Transmission Den

What trans gear to run.

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ricci32:
I have a 125" fed with a 500hp  440 fpt alky injected small block going to run a shorty glide i have the choice between a 1.76 and a 1.82 going to turn the motor 7000 rpm. rear is a 4.86 gear. also dont know much about torch converters what is a ball park for this set up or do you need more info.
 

bikeguy307:
With a light weight car like a short FED I would run the 1.76 gear. As far as converters go the rule of thumb is 1000 to 1500 rpms below your shift. The lighter the car the closer to 1000 rpms below your shift you can get. I would put your combo somewhere between 5800 and 6000. guessing your somewhere around 1600 to 1700lbs.


hope this helps,

Dan

ricci32:
Thanks alot Dan .

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