anything and everything auto to t-56 swap

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Old 04-23-2008, 12:34 PM
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Car: 1991 Camaro RS
Engine: 406ci
Transmission: T-56 LT1
Axle/Gears: 3.42
anything and everything auto to t-56 swap

T56 6 speed
Tranny cross member, Sphon with drive shaft loop and torque arm provision
T56 Bellhousing
T56 Shifter
T56 Flywheel, either special made for 400 (2pc R.M.S. and ext. balance) or stock LT1
T56 Clutch w/ pressure plate-spec stage 2-3
T56 Sealed Master/Slave Cylinder
T56 Tranny to Bellhousing Bolts
T56 Pressure Plate to Flywheel Bolts
Shifter Bolts (I reused the T5 shifter bolts)
Transmission Tunnel Heat Boot/Bellows
Bellhousing to Engine Block Bolts
Old 04-23-2008, 02:17 PM
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Re: anything and everything auto to t-56 swap

I don't know how far you are in your build but if you haven't purchased your crankshaft yet, you might seriously consider purchasing an internally balanced 400 crankshaft like the ones from Eagle or Scat. This will allow you to use the Centerline internally balanced 2 piece flywheel for T56 applications. You can find these used if your patient. Otherwise, I don't know of any 2 piece external flywheel. Everyone I know needing a T56 flywheel external balanced is using an adapter plate with a internally balanced flywheel. These plates are not recommended for high performance use.
Old 04-23-2008, 05:24 PM
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Car: 1991 Camaro RS
Engine: 406ci
Transmission: T-56 LT1
Axle/Gears: 3.42
Re: anything and everything auto to t-56 swap

Originally Posted by wesilva
I don't know how far you are in your build but if you haven't purchased your crankshaft yet, you might seriously consider purchasing an internally balanced 400 crankshaft like the ones from Eagle or Scat. This will allow you to use the Centerline internally balanced 2 piece flywheel for T56 applications. You can find these used if your patient. Otherwise, I don't know of any 2 piece external flywheel. Everyone I know needing a T56 flywheel external balanced is using an adapter plate with a internally balanced flywheel. These plates are not recommended for high performance use.
will be modding either an LT1 flywheel or purchasing the following flywheel

http://store.summitracing.com/partde...3&autoview=sku
Old 04-24-2008, 10:28 AM
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Axle/Gears: 3:73 12 bolt with Brute Strength
Re: anything and everything auto to t-56 swap

Ok...that's pretty cool. When I was doing my swap that flywheel was not available. I noticed it's the same weight as my flywheel.
http://store.summitracing.com/partde...7&autoview=sku

Be warned that these flywheels are heavy. Not a big concern with a 400 SBC but I built a high revving short stroke motor and I was disappointed with the weight of the flywheel as compared to the T5 I had with a GM lightweight flywheel (15lbs).
Old 04-24-2008, 10:53 AM
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Re: anything and everything auto to t-56 swap

it would be interesting in finding all the formula's required to work something like that out. If this piece is perfectly centered remember that gravity plays an effect as well. I'll keep my eyes open for a lighter weight one, or see how much of a different the LT1's weight. Everything helps of course.
Old 04-24-2008, 12:32 PM
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Re: anything and everything auto to t-56 swap

I have a clutch fork w/ pivot stud if you are interested. $40 +shipping
Old 04-24-2008, 12:50 PM
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Axle/Gears: 3:73 12 bolt with Brute Strength
Re: anything and everything auto to t-56 swap

Originally Posted by Blake
it would be interesting in finding all the formula's required to work something like that out. If this piece is perfectly centered remember that gravity plays an effect as well. I'll keep my eyes open for a lighter weight one, or see how much of a different the LT1's weight. Everything helps of course.
Let me know if you find one. I might also be interested in a lighter unit. I had a 1985 IROC with the destroked 400. It was a 400 block with 6.25" lightweight rods, JE lightweight pistons and a large journal 327 crankshaft. Everything was optimized for a quick revving motor. I had a 1LE aluminum driveshaft and lightweight wheels. I used a GM lightweight flywheel in front of built T5. I should have left well enough alone because the car was a rocket. But I had to have the extra gear because I was running a 4:10 rear. The heavy Centerline flywheel slowed things down noticeably.
Old 04-24-2008, 02:26 PM
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Re: anything and everything auto to t-56 swap

I have a slightly used spec stage 3 clutch and an lt1 flywheel both have less than 6,000 mi. How does 200 plus shipping sound???
Old 04-24-2008, 04:34 PM
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Re: anything and everything auto to t-56 swap

Hear are some pics
Attached Thumbnails anything and everything auto to t-56 swap-car-parts-46.jpg   anything and everything auto to t-56 swap-car-parts-48.jpg   anything and everything auto to t-56 swap-car-parts-51.jpg  
Old 04-24-2008, 08:55 PM
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Car: '87 IROC Z w/43,000 miles
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Re: anything and everything auto to t-56 swap

Originally Posted by Blake
T56 6 speed
Tranny cross member, Sphon with drive shaft loop and torque arm provision
T56 Bellhousing
T56 Shifter
T56 Flywheel, either special made for 400 (2pc R.M.S. and ext. balance) or stock LT1
T56 Clutch w/ pressure plate-spec stage 2-3
T56 Sealed Master/Slave Cylinder
T56 Tranny to Bellhousing Bolts
T56 Pressure Plate to Flywheel Bolts
Shifter Bolts (I reused the T5 shifter bolts)
Transmission Tunnel Heat Boot/Bellows
Bellhousing to Engine Block Bolts
PM sent.
Old 04-27-2008, 10:43 PM
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Car: 1991 Camaro RS
Engine: 406ci
Transmission: T-56 LT1
Axle/Gears: 3.42
Re: anything and everything auto to t-56 swap

bump. dont need clutch, pressure plate or flywheel (unlesss you have the center force flywheel for ext. balanced 86 pre motors with a t-56)
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