eseethal

Maybe someone can help me here: we are looking for a sequential gearbox (5/6 speed) for a vintage american race car, that can be mounted directly to an slightliy modified ls7 engine (Horsepower:630 / Ft. Lbs. Torque: 560). It should handle the torque of this engine and be suited for racing. As far as I know, the ls7 has a transaxle gearbox in the rear, but we need to have the gearbox mounted directly to the engine. Fortunately, the project is financially well funded, so the price is not a very important criteria here :-).
Which supplier has gearboxes for this application?
Any help would be great!

Many thanks/greetings..........Eugen (from Austria)

Scooter70

Lou Gigliotti put an EMCO in his C6 Z06 a few years ago. LG Motorsports should be able to get you everything you need to bolt it directly to the engine.



http://www.lgmotorsports.com/Corvett...l-Transmission

eseethal

Thanks for Emco recommendation! The fotos are a little misleading, there is always the differential attached. LG motorsports advertises this gearbox for the C5, so it should really work attached to the engine and without the differential! Is the bellhousing from LS7 and LS1 identical?

Many thanks.........Eugen

http://www.lgmotorsports.com/Corvett...l-Transmission[/QUOTE]

AU N EGL

Hewland out of the UK may be able to help

http://www.hewland.com/svga/advice.html

VGLNTE1

Hollinger >*

el es tu

C5s use a rear mounted transmission so you might not want to go the corvette route.

You might want to look into other gm vehicles like holden which use ls engines, and are raced quite a bit in australia...

CHJ In Virginia

Check out this company. They make several designs of sequential transmissions for mid and high horsepower applications.

http://www.saenzperformance.com/tran...ons/index.html

95jersey

That is insane, would be SOOO nice at the track, but not sure if I could take the noise on the street. The whine is pretty loud. Also looks the ride is pretty jarring. Would a sequential be harder on the motor?

vette6aut0x

We just put one in our race car (Emco) and raced it at Sebring with PBOC. We bought it from LG. The trans is remarkable to say the least and the learning curve is very short and easy to master. Last year I turned a 2:16 in the race and this year managed a 2:12 in the sprint race with major brake issues all weekend.

Everett Ogilvie

For example, Mosler uses the Hewland NLT in the race cars and more recently the new LWS - mounts right behind the LS7 (with some sort of adaptor plate/housing).

Shaka

LG Motorsports and Pratt and Miller both monitor this forum. They may help you. Holinger dog boxes of Australia make theXmissions for the V8 Supercars http://www.holinger.com.au/ http://www.holinger.com.au/products.php
OS Giken OS88 box is cheaper than a Hollinger and some say better. Both are well over $20,000 .

Emco makes this sequential gerabox for C5 and C6. They are straight gearboxes because these cars don't have a transaxles. It would be easy to adapt it to a LS7 bellhousing.

RX-Ben

With no other changes?

0Anthony @ LGMotorsports

Hey guys,

There are a number of boxes for the cars and also for other chassis.

As you have seen above we do offer an Emco box that plugs into the factory car's torque tube and will accept a C6 Z06/ZR1 diff units. For those using a C5, you would have to upgrade to one of the larger C6Z diff's which they have a number adapter kits for.

Couple reasons for this is the larger ring and pinion gear to take the hard shifts this trans is going to put out.

Also We do suggest a solid aluminum driveshaft and solid couplers, again due to the quick shifts of the trans.


Emco does offer other boxes, everything from Viper plug and play, to full blown transaxle units like what we have in the ALMS GT2 car.






Now the transaxle like you see above takes it's own axles, and cost goes up a bit. Your looking close to $69,000 for the transaxle unit itself, and $14,500 for the pair of axles so those are not cheap.


Pratt uses an Xtrac box, same principle but different operation and I do not know the costs, and I do not believe they make a plug and play unit.

The Hollinger is nice and we did use that as well in the World Challenge cars, replacement parts are not easy as they are 1/2 a world away. Emco is right here in the Midwest.



If you have any custom fit application questions or want to know more about them, let me or Louis know. More than happy to help.

Everett Ogilvie

That is some kind of beautiful hardware right there!

jhester

having worked on both a hollinger and an emco box, if it were me I would run an emco

like anthony said, the hollinger is nice, but the emco is trusted for 24 hours at a time at Daytona; the proof is in the results

RX-Ben

Suddenly makes a 9" and a Tex-101 look really sexy.

Short-Throw

My Holinger has been trouble free for years since it was installed. It's also handing quite a bit more power than a slightly modified LS7.

You'll need a good tuner for the fuel mapping to make the no-lift shift smooth.

What type of engine management system are you running?

Bosch? MoTec? Other?

6SPEEDZ

You need a transaxle for a Grand Am Daytona Prototype car.

VGLNTE1

15000 for axles?!?!?!

0Louis @ LG Motorsports

The gearbox/axle setup is 70k. Thats a totally new C6Z....

The "fuse box" in that car, was 10k. Life racing PDM. You know that thing sliced bread? Yea, its better than that

The ECU in the car ( Bosch 4.4) was 25k.

The engine, chassis, and body harness was 50k.

You lose sight of the value of a dollar when racing. Every set of tires ( 6 sets per weekend) would buy you 2 LS6 crate engines