Time for a break in the norm in the trans section. I searched and couldn't find where anyone had done a manual trans swap in GN with the v6. Lots of people have asked in the past, but were advised against it. I guess I like a challenge. I'm thinking this is going to make my car a bit more fun to drive. 
This may not be the best route if you have a big turbo on a small motor or a factory computer. But for my car with a 277" motor and a 6768 with XFI, it will work fine. Should be a ZR1, Z06, GT500, Hellcat crushing monster with 900+ hp on tap.
So, what does it take.
You need a trans. I chose a T56 magnum because they shift well and can hold the torque. Fed Ex was supposed to deliver it today, but they screwed up my address. I went with the GM close ratio (2.66 first) version. The T56 uses the same trans mount as a th400 and it's in roughly the same place, so you can most likely use a cross member that worked for a th400. But, there are a few aftermarket g-body t56 cross members out there.
You need a bellhousing. Quick time makes a BOP to T56 bellhousing. They make it to use a mechanical throw out bearing setup or a hydraulic. I got the mechanical version here because I got it dirt cheap and I have a mill to modify it if needed. But, the hydraulic version would have been best for me.
You need a clutch and flywheel. This is a tough one. Anything over 600ft.lb. really needs a twin disc clutch. Ram and Centerforce said they didn't offer anything for a v6. Mcleod makes a twin disc setup that will work with any normal flywheel that takes a 10.5" clutch. I chose their RXT clutch that should be good for 800ft.lb. TA performance can get a billet steel flywheel in internal or external balance. I've got the internal balance steel flywheel. It's heavy at 35 lbs. but should make for a good street driver and good at the track.
A Buick uses the same pilot bearing as a sbc.
You have two options for clutch actuation. Mechanical or Hydraulic. I prefer hydraulic. I'm using a master and slave cylinder for a 98-02 camaro. I bought adapters for the hoses to use a -3 hose and I bought a speed bleeder from Tick Performance. Here is the slave.
I bought a kit from Sick Speed Monte for the clutch pedal and master cylinder mount. You have to cut down the pad area on the stock brake pedal to match. I'm also going back to vacuum brakes, so I modded a vacuum brake pedal. I did quite a bit of work to make all this fit together well and make the pedals line up correctly.
Master in the car.
Clutch master cylinder reservoir.
Three pedals in a GN.
This may not be the best route if you have a big turbo on a small motor or a factory computer. But for my car with a 277" motor and a 6768 with XFI, it will work fine. Should be a ZR1, Z06, GT500, Hellcat crushing monster with 900+ hp on tap.
So, what does it take.
You need a trans. I chose a T56 magnum because they shift well and can hold the torque. Fed Ex was supposed to deliver it today, but they screwed up my address. I went with the GM close ratio (2.66 first) version. The T56 uses the same trans mount as a th400 and it's in roughly the same place, so you can most likely use a cross member that worked for a th400. But, there are a few aftermarket g-body t56 cross members out there.
You need a bellhousing. Quick time makes a BOP to T56 bellhousing. They make it to use a mechanical throw out bearing setup or a hydraulic. I got the mechanical version here because I got it dirt cheap and I have a mill to modify it if needed. But, the hydraulic version would have been best for me.
You need a clutch and flywheel. This is a tough one. Anything over 600ft.lb. really needs a twin disc clutch. Ram and Centerforce said they didn't offer anything for a v6. Mcleod makes a twin disc setup that will work with any normal flywheel that takes a 10.5" clutch. I chose their RXT clutch that should be good for 800ft.lb. TA performance can get a billet steel flywheel in internal or external balance. I've got the internal balance steel flywheel. It's heavy at 35 lbs. but should make for a good street driver and good at the track.
A Buick uses the same pilot bearing as a sbc.
You have two options for clutch actuation. Mechanical or Hydraulic. I prefer hydraulic. I'm using a master and slave cylinder for a 98-02 camaro. I bought adapters for the hoses to use a -3 hose and I bought a speed bleeder from Tick Performance. Here is the slave.
I bought a kit from Sick Speed Monte for the clutch pedal and master cylinder mount. You have to cut down the pad area on the stock brake pedal to match. I'm also going back to vacuum brakes, so I modded a vacuum brake pedal. I did quite a bit of work to make all this fit together well and make the pedals line up correctly.
Master in the car.
Clutch master cylinder reservoir.
Three pedals in a GN.
