which speedo gear for 373

[98gtvert]

Hey guys which speedo gear do i need for 373 gears in a t5? car is an 85 gt but i think the tranny is out of an 88. car has a 351w if that matters. thanx for the help

 

[Mustang5L5]

88 t-5 should have a yellow 7-tooth drive gear. Shine a flashlight up the speedo cable hole to confirm.

If so, a RED 21-tooth drive gear is what you need with 3.73's and a 25.6" tall tire

 

[98gtvert]

awesome thanx a lot