i know last year someone sent me the correct part number but b/c of multiple computer crashes i seem to have lost it. hears what were doin.. 91 camaro 700r4 trans( 2400 stall) 16 inch rims 245 50r16 tires currently stock rear end.. this weekend we are going to rebuild the rear end with an slp take off posi and a 3.23 gear and i know in order to correct the speedo we are going
to have to change one of the trans gears. currently in my trans i have whatever came stock ???not sure what that is.. but i need to know what to order to correct the speedo.

thanks

 

i am really confused on this one could some please help me