Who has a t56 6 speed in there truck? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

*67Fleetsidedream* · 01-02-2003, 03:06 PM

I am about 2-3 weeks away from getting one and have some questions.

Ben

jmil1974 · 01-02-2003, 04:01 PM

No one that I know of, though I have thought about it. Should be PLENTY strong. The problem is getting it in. If you use one from an f-body, you have the hydraulic slave/clutch to adapt. You also will only be able to use buckets as the shifter location will be too far back for a bench. Finally, you'll have to either use an electric tach or get an adapter. Or you could use the aftermarket t56 which will solve all of those except shifter location but it's around $2000-2500. If you're willing to do some fabbing and adapting and use buckets, it WILL be SWEEEET in every way.

Btw, where is Paradise?

*67Fleetsidedream* · 01-02-2003, 05:00 PM

Yeah it will be sweet. I might just be the first person to ever do it. But someone has to have beaten me too it. I wonder what problems that I will run in to? I will be definetly be getting the modified Tremec T-56.
Paradise Texas is north west of Fort Worth.

Any one???

Ben

Ackattack · 01-02-2003, 05:10 PM

If you get one from an f-body, get one out of a 93-97. The LS1 has a diffent bolt patern and crank position than the standard small block, reqiring a custom bellhousing that I doubt anyone makes. The LT1 t-56 should essentially just bolt up (except for the things mentioned above)

jmil1974 · 01-02-2003, 05:30 PM

Ack is right, the LT1 ones will fit much easier. You should also avoid 93 models if possible. They will work but are a touch weaker and have funky gears. The 94-97 ones would be best. You'll also need a special flywheel (Centerforce makes an adapter) if your engine is the older (85 and back) 2 piece rear main.

*67Fleetsidedream* · 01-02-2003, 06:44 PM

Do they make a truck shifter for the T56?

Ben

GMC JUNKIE TOO · 01-02-2003, 07:56 PM

68lss1 has a ls1 and a t56, maby he can help.

Ackattack · 01-03-2003, 12:46 AM

you could probably use a stock shifter and just make a longer stick for it pretty easily. Or use an aftermarket shifter and put a longer stick on it. The aftermarket shifter would keep the throw down with the longer stick.

jmil1974 · 01-03-2003, 09:48 AM

Ima go with ack again.

The stock shifter on the LT1 T56s is long enough on its own to be a truck shifter. I replaced the one in my Z with a B&M Ripper and loved it. I'd go stock first and if that's a no-go, then like ack said, fab a longer handle for a Ripper or a Pro5.0.

*67Fleetsidedream* · 01-03-2003, 05:20 PM

My pickup had a three speed on the tree until I lost 2nd gear.
Will I need a high hump for the transmission to fit?

Any Ideas?
Ben

jmil1974 · 01-03-2003, 05:22 PM

Since you can probably pick up a high hump pretty cheap, I'd get one to have on hand and resell it if not needed. My guess is - tall hump, since the 4 speed trucks came with high humps (along with TH400s and 4x4s, if I remember right from other posts).

01-02-2003, 03:06 PM	#1
67Fleetsidedream Wiseass secured himself a BAN Join Date: Nov 2000 Location: MOON!!! Posts: 2,282	Who has a t56 6 speed in there truck? I am about 2-3 weeks away from getting one and have some questions. Ben

01-02-2003, 04:01 PM	#2
jmil1974 Ain't we cute? Join Date: May 2002 Location: Friendswood, TX Posts: 700	No one that I know of, though I have thought about it. Should be PLENTY strong. The problem is getting it in. If you use one from an f-body, you have the hydraulic slave/clutch to adapt. You also will only be able to use buckets as the shifter location will be too far back for a bench. Finally, you'll have to either use an electric tach or get an adapter. Or you could use the aftermarket t56 which will solve all of those except shifter location but it's around $2000-2500. If you're willing to do some fabbing and adapting and use buckets, it WILL be SWEEEET in every way. Btw, where is Paradise? __________________ 69 C10 2WD LWB Fleet 350/350 power front disc conversion (6 lug disc kit from gmcpauls) and new engine, PS, A/C, fresh fluids, SHE DRIVES! FOR SALE $3900

01-02-2003, 05:10 PM	#4
Ackattack Senior Member Join Date: Aug 2002 Location: Valley Center KS Posts: 3,525	If you get one from an f-body, get one out of a 93-97. The LS1 has a diffent bolt patern and crank position than the standard small block, reqiring a custom bellhousing that I doubt anyone makes. The LT1 t-56 should essentially just bolt up (except for the things mentioned above) __________________ Project Bruiser: 68 Pro-Touring C-10 5.3L / 4L60E Project Ironhide: 97 GMC Crew Cab 4x4 Cummins SOLD: '69 GMC 1/2T SWB TBI'd: Project No Buck Assembly Manual Index Sign up Thread!!! Factory Service Manual Index

01-02-2003, 05:30 PM	#5
jmil1974 Ain't we cute? Join Date: May 2002 Location: Friendswood, TX Posts: 700	Ack is right, the LT1 ones will fit much easier. You should also avoid 93 models if possible. They will work but are a touch weaker and have funky gears. The 94-97 ones would be best. You'll also need a special flywheel (Centerforce makes an adapter) if your engine is the older (85 and back) 2 piece rear main. __________________ 69 C10 2WD LWB Fleet 350/350 power front disc conversion (6 lug disc kit from gmcpauls) and new engine, PS, A/C, fresh fluids, SHE DRIVES! FOR SALE $3900

01-03-2003, 12:46 AM	#8
Ackattack Senior Member Join Date: Aug 2002 Location: Valley Center KS Posts: 3,525	you could probably use a stock shifter and just make a longer stick for it pretty easily. Or use an aftermarket shifter and put a longer stick on it. The aftermarket shifter would keep the throw down with the longer stick. __________________ Project Bruiser: 68 Pro-Touring C-10 5.3L / 4L60E Project Ironhide: 97 GMC Crew Cab 4x4 Cummins SOLD: '69 GMC 1/2T SWB TBI'd: Project No Buck Assembly Manual Index Sign up Thread!!! Factory Service Manual Index

01-02-2003, 05:00 PM	#3
67Fleetsidedream Wiseass secured himself a BAN Join Date: Nov 2000 Location: MOON!!! Posts: 2,282	Yeah it will be sweet. I might just be the first person to ever do it. But someone has to have beaten me too it. I wonder what problems that I will run in to? I will be definetly be getting the modified Tremec T-56. Paradise Texas is north west of Fort Worth. Any one??? Ben

01-02-2003, 06:44 PM	#6
67Fleetsidedream Wiseass secured himself a BAN Join Date: Nov 2000 Location: MOON!!! Posts: 2,282	Do they make a truck shifter for the T56? Ben

01-02-2003, 07:56 PM	#7
GMC JUNKIE TOO THE QUICKER FIXERUPER Join Date: Jul 2002 Location: Ok Posts: 615	68lss1 has a ls1 and a t56, maby he can help.

01-03-2003, 09:48 AM	#9
jmil1974 Ain't we cute? Join Date: May 2002 Location: Friendswood, TX Posts: 700	Ima go with ack again. The stock shifter on the LT1 T56s is long enough on its own to be a truck shifter. I replaced the one in my Z with a B&M Ripper and loved it. I'd go stock first and if that's a no-go, then like ack said, fab a longer handle for a Ripper or a Pro5.0. __________________ 69 C10 2WD LWB Fleet 350/350 power front disc conversion (6 lug disc kit from gmcpauls) and new engine, PS, A/C, fresh fluids, SHE DRIVES! FOR SALE $3900

01-03-2003, 05:20 PM	#10
67Fleetsidedream Wiseass secured himself a BAN Join Date: Nov 2000 Location: MOON!!! Posts: 2,282	My pickup had a three speed on the tree until I lost 2nd gear. Will I need a high hump for the transmission to fit? Any Ideas? Ben

01-03-2003, 05:22 PM	#11
jmil1974 Ain't we cute? Join Date: May 2002 Location: Friendswood, TX Posts: 700	Since you can probably pick up a high hump pretty cheap, I'd get one to have on hand and resell it if not needed. My guess is - tall hump, since the 4 speed trucks came with high humps (along with TH400s and 4x4s, if I remember right from other posts). __________________ 69 C10 2WD LWB Fleet 350/350 power front disc conversion (6 lug disc kit from gmcpauls) and new engine, PS, A/C, fresh fluids, SHE DRIVES! FOR SALE $3900



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