[adriano_917]

i need help ass soon as possible, i went to a shop so they could install my gears and the guy that is installing my gears says the the gears wont fit that they get to tight and the size of the gears are 8.8" 3.73 (1994 mustang gt) does anyone have a clue of whats going on ??? i bought them from brenspeed or did they sended me the wrong ones, I am really desperate...

[GTRaptor]

What brand are the gears, get the part number so you can check.

[adriano_917]

3.73 Ford 8.8" standard motive gear, from brenspeed./ item - F8.8-373A

[OzPony]

Is that number off the box or the gears ?? Check the back of the ring gear for the part number and post that here so we can check it for you.

My friend got a set of 3.73's for an 8.8 but the gears inside the box were for a 7.5

[adriano_917]

well the gears are at the shop and i cant check them, but the ring gear should be the same size as the stock ring gear just a little bit thicker doesn't it and the pinion's head is a little bit smaller than the stock. i guess if they sended me a 7.5" for a v6 the ring gear needs to be much smaller than a v8 ring gear i think... and i really dont know what the problem is, the guy at the shop said that he was going to check it again on monday because he ran out of time on friday i'm hoping that its not a major problem.

[adriano_917]

wooohooo !! my car now finally has 3.73 gears, man it runs a lot harder from a dead stop i didnt thougt it would be that fast the only thing now is that i need a speedo any ideas of wich one should i use ???

[adriano_917]

i got a question, what are the stock 1994-1995 gears ?? because on the top of the pinion there are the following numbers 327E9SAAKM what do these numbers mean ???

[red95gtconvert]

I am going to guess you had a 3.27 ratio stock, just check the axle code on the drivers side door jamb sticker and we can tell you what your car came with.