Can you replace a 5-speed automatic with an 8-speed manual transmission?

Answer 1

Yes it can be done, but at what cost? Keep in mind it is much more than just swapping out the trans itself. You will have to change out the computer and wiring harness if your vehicle is 96+. You will also obviously need the pedal set, flywheel, clutch, slave cyliner, clutch master cylinder, hydralic lines, new driveshaft. I did it in a 96 1500 with a 4.3, and had to buy a truck for parts just to make it justifiable price wise.

Answer 2

Umm first of all i dont know what car has 8 speeds lol not even beggadi has that. But if its like a bus or what ever or you miss spelled for 6 speed manual then yes you can replace it but you will need additional parts like clutch cables and transmission guts, ect.