T56 behind a LSx
T56 behind a LSx Ok a couple of friends and I are discussing mounting a "D&D" Viper T56 behind an LSx. Now the D&D has a plate bolted to it to allow it to be bolted behind a GEN I using an "old school" bellhousing.
Our theory is this. Why couldnt I take a LS series bellhousing, remove the plate from the D&D, and bolt it to the transmission?
The question is, what is the overall length of the LS bellhousing? Now I also am trying to take into account the crankshaft flange position differnence of .400" between the GEN I and GEN III.
Anybody have any thoughts?
Our theory is this. Why couldnt I take a LS series bellhousing, remove the plate from the D&D, and bolt it to the transmission?
The question is, what is the overall length of the LS bellhousing? Now I also am trying to take into account the crankshaft flange position differnence of .400" between the GEN I and GEN III.
Anybody have any thoughts?
There are a number of people who make bellhousing that allow a muncie or TKO trans to be bolted to an LS motor. You might ask the D&D guys, but sounds like if it will bolt to a first gen it should bolt to one of these LS bellhousings.
Kiesler makes one that is a reproduction of a Big Block bell from the old days. So youi might be able to source a used one from a swap meet.
Kiesler makes one that is a reproduction of a Big Block bell from the old days. So youi might be able to source a used one from a swap meet.
We want to get rid of the GM 4-speed bellhousing if possible and switch over to a bellhousing out of say, an 02 Camaro with a t56 and a ls1. I believe it will bolt to the front of the Viper tranny right? I mean for the most part all t56's share the same case, its just the internals that designate what the tranny is stuck behind right?
You need to determine what input shaft in in the T56. If it's about 6.4" measured from a straight edge placed across the face of the transmission where it mounts to the bellhousing, it's a an LS1 T56 and will bolt right up to an LS1 bellhousing. If it's about 7" it's the Viper T56 input shaft.
If it's a Viper T56 input shaft you have two choices - you can swap the input shaft for an LS1 input shaft, or you can get a "scallop" ring from McLeod to space the transmission back about 0.5". You'll also need a Viper slave cylinder (the LS1 and Viper slaves are clocked differently on the transmission) and a pilot bushing for the Viper input shaft (which Mcleod makes). Take a look here for details and part numbers: http://www.mcleodind.com/application...L_HOUSING.html
If it's a Viper T56 input shaft you have two choices - you can swap the input shaft for an LS1 input shaft, or you can get a "scallop" ring from McLeod to space the transmission back about 0.5". You'll also need a Viper slave cylinder (the LS1 and Viper slaves are clocked differently on the transmission) and a pilot bushing for the Viper input shaft (which Mcleod makes). Take a look here for details and part numbers: http://www.mcleodind.com/application...L_HOUSING.html
Thanks that's about some of the best info I have gotten yet.
When you say Viper T56, do you mean the original shaft as if it came out of a Viper or the shaft that has been modified for GM applications?
When you say Viper T56, do you mean the original shaft as if it came out of a Viper or the shaft that has been modified for GM applications?
Yes - when I said Viper input shaft I meant an unmodified shaft as used in the Viper car.
Well thanks again, maybe I should try to pick up a used GM T56/LSx bellhousing, bolt it to the front of the Viper tranny and see where it locates the input shaft. Hopefully the .400" in crank flange difference will help.
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