Manual Transmission T56 | T5 | MN12 | Clutches | Hydraulics | Shifters

MTI sequential gearbox????

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Old May 31, 2013 | 07:36 AM
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Default MTI sequential gearbox????

MTI Racing now has a sequential gearbox for the t-56's but I'm not sure it'll work for f-body's.

Has anyone seen this?

http://www.mtiracing.com/Six-Shooter...-Corvette.html

I know it's just for the corvette, but I don't see why it can't be designed to work for an fbody as well.


I like that the gears aren't straight cut, so it's not screaming like the sequential gear box that LG offers.

So, anyone heard anything?
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Old May 31, 2013 | 07:53 AM
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Interesting... I wonder if its an affordable price, and what sort of power it can actually handle ?

Plus what ratios might be available. It's something I could consider in the future, but most options Ive seen are circa 20k in any currency.
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Old May 31, 2013 | 12:23 PM
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I know LG had a version, but it used straight cut gears, which to me, is a deal breaker.
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Old May 31, 2013 | 12:33 PM
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TBH straight cut gears wouldnt bother me. Most modern gears really arent that noisy compared to stuff made say 20 years ago.

I'd be more interested which was stronger and better value.
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Old May 31, 2013 | 02:08 PM
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very cool, but I cant see that being anywhere near "affordable"
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Old May 31, 2013 | 03:07 PM
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The PPG gearset that MTI uses is about $8000. Add to that the shifter, electronics, and assembly, and I would be surprised if the whole package is under $15000. Is that "affordable?" I guess it depends on your bank account...LOL

Slick set-up though...

Andrew
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Old May 31, 2013 | 03:16 PM
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Originally Posted by Project GatTagO
The PPG gearset that MTI uses is about $8000. Add to that the shifter, electronics, and assembly, and I would be surprised if the whole package is under $15000. Is that "affordable?" I guess it depends on your bank account...LOL

Slick set-up though...

Andrew
Considering most sequentials that can handle a bit of power are completely custom, inside and out and will cost in excess of 20k, then yes if $15k is a complete package, it is a substantial saving.
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Old May 31, 2013 | 03:19 PM
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Originally Posted by stevieturbo
Considering most sequentials that can handle a bit of power are completely custom, inside and out and will cost in excess of 20k, then yes if $15k is a complete package, it is a substantial saving.
I could be off too...It might very well retail for $20K...Hell, the load cell alone is probably close to $1000...

Andrew
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Old May 31, 2013 | 03:53 PM
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Originally Posted by Project GatTagO
I could be off too...It might very well retail for $20K...Hell, the load cell alone is probably close to $1000...

Andrew
That's if you need a load cell. If the gearbox has an output to tell the ecu what gear it is in or neutral etc ( which all sequentials should have ), then a suitable ecu can take care of the power cut during the shift without a strain gauge on the stick.
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Old May 31, 2013 | 04:08 PM
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Originally Posted by stevieturbo
That's if you need a load cell. If the gearbox has an output to tell the ecu what gear it is in or neutral etc ( which all sequentials should have ), then a suitable ecu can take care of the power cut during the shift without a strain gauge on the stick.
The MTI website lists a load cell as part of the package. This isn't a new transmission, it is a T56 that has been outfitted with the PPG dog-ring gear set.

Andrew
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Old May 31, 2013 | 04:18 PM
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Good point...forgot about that bit.
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Old May 31, 2013 | 06:59 PM
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The load cell would be required more for the down shifts I think. I have sent an email to them for my Camaro as I am on the verge of picking up a Quaife. We'll see what they have to say.
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Old May 31, 2013 | 07:08 PM
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I just thought it was cool. I know LG was offering one for a fair bit of money as well, but the straight cut gears where too loud for a daily driver in my opinion.


The LG one is a $28,xxx option.
http://www.lgmotorsports.com/product...oducts_id=2179
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Old May 31, 2013 | 09:20 PM
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http://www.weismann.net/Products/WBD.html

If you want to spend some money, talk to these guys. He said they can make 6,7 or 8 speed sequential box. yes 8 speed, LOL! I did not get a price but they are all dry sumped and when I asked about a non-dry version, "We don't build junk". YOu can also get a Mag case.

He also told me that they have a 6-8 speed with a clutch ( don't know if it is single or multi disc) that can be set up to shift automatically based on speed or RPM.

He also told me they can build a quick change for IRS or live axles to handle high powered cars and these are also dry sumped. Very interesteing conversation I had. Might be worth checking out. If you get a price post up.
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Old Jun 1, 2013 | 03:33 PM
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Originally Posted by Suaveat69
http://www.weismann.net/Products/WBD.html

If you want to spend some money, talk to these guys. He said they can make 6,7 or 8 speed sequential box. yes 8 speed, LOL! I did not get a price but they are all dry sumped and when I asked about a non-dry version, "We don't build junk". YOu can also get a Mag case.

He also told me that they have a 6-8 speed with a clutch ( don't know if it is single or multi disc) that can be set up to shift automatically based on speed or RPM.

He also told me they can build a quick change for IRS or live axles to handle high powered cars and these are also dry sumped. Very interesteing conversation I had. Might be worth checking out. If you get a price post up.
Those HAVE TO BE A FORTUNE (WAY more than even the LG unit), as they are a PURE racing gearbox company.

Most of the peeps in the SCCA Trans Am road racing series used their dog boxes, many builders for lower powered formula car series, as well as many in IMSA road racing circles.
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Old Jun 1, 2013 | 03:37 PM
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Originally Posted by Marktainium
The load cell would be required more for the down shifts I think.
Most of the drag racers on here do not care about downshifting, but the road racers for whom these gearboxes were originally developed DO care GREATLY about being able to downshift VERY quickly, under load.
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Old Jun 1, 2013 | 05:15 PM
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Originally Posted by dailydriver
Those HAVE TO BE A FORTUNE (WAY more than even the LG unit), as they are a PURE racing gearbox company.

Most of the peeps in the SCCA Trans Am road racing series used their dog boxes, many builders for lower powered formula car series, as well as many in IMSA road racing circles.
The LG conversion uses the transmission from Emco Gear. It does't get more pure race than that...

Andrew
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Old Jun 5, 2013 | 05:35 PM
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Originally Posted by Project GatTagO
The LG conversion uses the transmission from Emco Gear. It does't get more pure race than that...

Andrew
True, but they are considered a 'budget' (albeit VERY high quality) racing sequential gearbox company, as compared to; Quaife, X-Trac, FFD, etc.

Even Hollinger (another cost effective brand in this market) costs more than Emco units/gearsets/conversions.
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Old Jun 5, 2013 | 06:43 PM
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It's crazy that a transmission can cost more than a high hp forged longblock.
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Old Jun 5, 2013 | 06:48 PM
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A lot more technology and engineering go into a sequential transmission though.

By comparison, a big bulky engine is fairly simple, and of course sold in much greater numbers. Mass production always makes stuff cheap.
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