can i use an alfa GTV 6-speed 'box with the coupe? will it have shorter gearing than the stock coupe 6-speed 'box?

redd

you can use the internals from a gtv 6 speed in the coupe box, have a read of this thread http://www.fiatcoupeclub.org/forum/ubbthreads.php?ubb=showflat&Number=859626#Post859626
i have just had a box built using the final drive and 5th gear from a alfa gtv, the final drive is 3.563 as oppose to 3.111, using standard coupe wheels the mph per 1000rpm are changed to the following
coupe std coupe gtv
1st 5.9 5.3
2nd 10.1 9.0
3rd 14.8 13.2
4th 19.5 17.3
5th 24.7 20.7
6th 27.6 24.6

havent had the box fitted yet but when it is will do a write up

thanks mate!

redd

If you use the 6 speed Alfa box I think it would be a good idea to replace the diff with a Q2 item.

The Alfa diff is quite fragile, and with a coupe you will be running more torque through it.