This is most likely the strongest T56 you can build and probably the strongest trans for our cars.

With that huge mainshaft and one piece counter extension, that tranny will be strong. The parts in the SSR T56 have to be stout in order to move that heavy GVWR 4760 lb BEAST.

Specs from RSG's transzilla:
Tranzilla™ is a 6-speed transmission that will accept 1,200 Horsepower and 1,000 ft/lbs of torque. (C5 Corvettes are rated at 850 ft/lbs).

Note: GTO and Cadillac CTS-V units must use 30 spline Viper main shaft for 1,000ft/lb torque rating.






.

 

Just a guestimate. We hear about the Viper output shaft extending the stock Fbody out to 800+hp. The Tranzilla has stronger custom gears and rated out to 1200+hp. The SSR-hybrid has an output shaft thicker than the viper, additional synchro cones on all the gears, and I know for sure that if you have to use 5-6 gears under power, the 1pc countershaft is a requirement at 800+hp levels..

 

Similar hybrid in this article...

http://www.autoblog.com/2006/07/14/a...-randr-part-i/

Check out parts 2-4 as well.

 

That's not a hybrid, just a SSR T56 with a spacer on it to push it back away from a LT1 crank. If you can find a SSR T56 and don't mind the gear set, there's nothing much more you need to get it to work in an Fbody, as I mentioned in the write-up.

 

following a long. I may have 1 very low milage perfect LS1 T56 for sale be the end of all this

 

You can sell that one to me Noel. I need one I can build and just swap it out so my car doesn't have to sit while I build it.

 

Just curious, but if a person could pick up an LT1 tranny for cheap, since you'll be swapping the main shaft already, pick up an LS mid-plate and bellhousing, what else would have to be changed? (assuming upgrading the usual stuff)

More importantly, would it even be worth it?

as long as I'm asking stupid questions, what needs to be changed from an actual Viper tranny to fit in an F-bod, other than mid-plate and bellhousing?

 

That would work, but basically you're buying the LT1 unit for it's:
- Tail housing
- Shift linkage
- Small parts

So it should be basically a sub-prime $100 core LT1....

For a real viper to fit, you need to machine down the input shaft, or replace it, change the mid-plate and bell, and all the adjustments to the driveshaft/TQ-arm/shifter hole/VSS/etc. that the different tailhousing would necessitate.

 

Haha, I figured as much. I know it was asked earlier, but where is a good place to source an LS1 T56? Craigslist and ebay are very hit and miss.

 

Another run at the top?

Also, would it be cost effective to use a 2005 non Z06 trans as a building block? I can source one relatively cheap.

 

Another run at what? If it's about finding a core, you might want to try the classifieds or open up a new thread for your search..

Did you look through and read the Build write-up? There are cost estimates for various scenarios, at the end of it....

 

Yes, I did read the build. It is very well put together and very informative. However, I guess I'm not sure which bracket the 2005 C6 (non Z) trans falls into?

 

Ok, I need to clarify the write-up. For the purpose of this hybrid thread, all the non-LS7 C5 and C6 T56s are equivalent, beyond the different gear sets they offer. (MM6, M12, MZ6)

(Note that this only relates to C5 and C6 T56s. 2008 and later C6s have the TR6060 6-speed and not applicable to this thread)

 

OK! That clears things up. Thanks for your input.

 

I've got one of Mike's earlier hybrid GTO/Vette/Fcar T56 boxes in my car and highly recommend this guy's builds. It has taken plenty of road course and street use, never misses a beat.

No business affiliation, just a happy user!

 

so are those prices if you do it or???

 

The prices listed in the write-up are for parts-only. (except the machinework labor). Any labor to actually assemble the hybrid T56 would be extra if not doing it yourself. There is at least one shop willing to assemble a unit that I know of currently.

 

are you gonna start piecing theese together and selling em??

 

I'm bumping this one up to thank you for the awesome write up you put together. There's not too many people out there that go that detailed and take pictures along the way. I now have it saved to my computer and will be referencing it quite often in the next month or so thinking about this.

 

Thanks... I do continue to update the write-up as I get feedback, so check back to the link on occasion. I know of a half-dozen people that are currently doing the build, so hopefully they'll post up their impressions when done.