Tomei Visits Good-Win Racing...Headers, Cams, Limited Slips!

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Tomei Visits Good-Win Racing...Headers, Cams, Limited Slips!

Postby Brian » Thu Sep 27, 2012 4:54 pm

The crew from Tomei were just here.....including company President Mr. Sasaki all the way from Japan!

And they brought a few of their NC header systems. :D Everything finished very nicely! Hope to give it some dyno play time soon. Figure a few days before we get them posted to the store. From a distance I assumed that the header was standard length and that we might be able to offer it separate from the midpipe, but it is indeed longer than stock (thus requiring the pictured separate custom length midpipe in same way that the PPE long tube does). It is amazingly light.

Their cams are currently re-grounds and that raises the cost a lot, they hope to soon have their own blanks and offer us a much better price.

Perhaps of broadest appeal are their limited slips, we hope to be offering them well under a grand for all Miata NA/NB/NC and I expect these 12 disc two-way units will be popular (I think we will try one in our Project Blue 2006).
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Tomei NC Header.jpg
Tomei NC Header.jpg (134.67 KiB)
Brian Goodwin
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Re: Tomei Visits Good-Win Racing...Headers, Cams, Limited Sl

Postby TOPSECRET » Fri Sep 28, 2012 1:47 pm

Very good news I've been interested to see what their cams make power wise for a while now. A clutch type limited slip under a grand sounds very appealing.
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Re: Tomei Visits Good-Win Racing...Headers, Cams, Limited Sl

Postby slampen » Thu Dec 06, 2012 1:15 pm

Brian wrote:Perhaps of broadest appeal are their limited slips, we hope to be offering them well under a grand for all Miata NA/NB/NC and I expect these 12 disc two-way units will be popular (I think we will try one in our Project Blue 2006).


How is this compared to Quaife and Os-Giken?

Edit:Corrected url.
-95 BRG 1.8.
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Re: Tomei Visits Good-Win Racing...Headers, Cams, Limited Sl

Postby Brian » Thu Dec 06, 2012 1:47 pm

The Quaife is a gear unit and really apples to oranges comparison there.

But the OsGiken, MazdaSpeed and Tomei are all clutch pack designs (glossing over the finer distinctions here). The MazdaSpeed units for NC were 7 clutch disc and they worked pretty good, I still run that unit in our NC Light though the torque we make in that car is a bit much for it and I wish I had a few more discs in there. The OsGiken has two dozen plates in it and we run it in our Supercharged autocross 2007, it works great but frankly overkill even for this car running 18x10 wheels and 265 hp and 235 ft/lbs of torque at the wheels. Thus, I have long looked around for a unit with about a dozen discs that we could offer to customers as the 'about right' choice, and at half the price of the OSGIKEN I think these Tomei units with a dozen plates are a killer deal.
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Re: Tomei Visits Good-Win Racing...Headers, Cams, Limited Sl

Postby slampen » Thu Dec 06, 2012 2:02 pm

How do you think the Tomei will handle your 265hp and 235 ft/lbs?
-95 BRG 1.8.
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Re: Tomei Visits Good-Win Racing...Headers, Cams, Limited Sl

Postby Brian » Thu Dec 06, 2012 2:04 pm

slampen wrote:How do you think the Tomei will handle your 265hp and 235 ft/lbs?


I plan to try the 12 disc Tomei in our NCLIGHT track car...which makes 270hp but just 215 ft lbs of torque....but the NC unit not yet available. So far, we have NA/NB units to offer.
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Re: Tomei Visits Good-Win Racing...Headers, Cams, Limited Sl

Postby slampen » Sun Dec 23, 2012 1:29 pm

Got any feedback on the Tomei LSD from NA owners?
-95 BRG 1.8.
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Re: Tomei Visits Good-Win Racing...Headers, Cams, Limited Sl

Postby Brian » Tue Dec 25, 2012 2:15 pm

Have not heard back yet from any of the early adopters...
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Re: Tomei Visits Good-Win Racing...Headers, Cams, Limited Sl

Postby Nuvolari » Thu Jan 03, 2013 10:32 am

I've got the same catless race exhaust. Weight saving with GWR Race Muffler - 33-34lbs. Horsepower gain nearly 20hp.

But the sound is horrible loud
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Re: Tomei Visits Good-Win Racing...Headers, Cams, Limited Sl

Postby Dubcity » Sun Mar 10, 2013 11:59 am

Has anyone tried the Tomei cams?
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