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Old 09-14-2014, 03:32 PM   #41
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1994 miata for the win


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Originally Posted by Chris GTO TT View Post
This is pretty much exactly what I'm thinking of doing. I'm actually thinking of going back to a 1.6 with this kit simply for the ease of passing emissions on a regular basis.
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Old 09-14-2014, 05:03 PM   #42
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Nice to see these back on the market. Now to decide this or K swap.
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Old 09-14-2014, 07:07 PM   #43
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Originally Posted by natedawg View Post
Nice to see these back on the market. Now to decide this or K swap.
Thats a tough call if you are mechanically adept and do not require CARB compliance. K swap costs more but can make about the same power.

Viewed as a $/whp question, the Rotrex comes out slightly ahead. Ease of install is no contest, in favor of Rotrex. Torque, I think a K24 can make 230lbs on gas which is about what we made on E85.

Then there is the possibility of bolting a C30-94 onto a K24. We're already looking at that as a future project. Maybe 400whp and 300lbs tq.
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Old 09-14-2014, 08:29 PM   #44
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Originally Posted by cardriverx View Post
1994 miata for the win
Yeah well I bought the whole car for $650
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Old 09-14-2014, 08:38 PM   #45
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Are there any plans to release a C30-94 kit? With wastegate control that would really have a broad torque curve. Wide open it would be a monster.
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Old 09-14-2014, 11:06 PM   #46
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Originally Posted by k24madness View Post
Are there any plans to release a C30-94 kit? With wastegate control that would really have a broad torque curve. Wide open it would be a monster.
No CARB version but the C30-94 bolts right up otherwise. It will be a simple drop down menu option on the race kits.
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Old 09-15-2014, 02:09 AM   #47
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Originally Posted by Chris GTO TT View Post
Yeah well I bought the whole car for $650
Just don't tell them that you already have a 1.8 swapped car, and you're planning to swap back to 1.6.

I bet even Emilio will give you a hard time about that lol, just like I do every time we talk.

Heck, Scott will probably ban you if he finds out

(PS: don't do it.)
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Old 09-15-2014, 04:32 AM   #48
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Then there is the possibility of bolting a C30-94 onto a K24. We're already looking at that as a future project. Maybe 400whp and 300lbs tq.
Really going to need a transmission solution at that point. Any plans beside the race only incremental upgrade of gears?
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Old 09-15-2014, 02:17 PM   #49
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Originally Posted by Nagase View Post
Really going to need a transmission solution at that point. Any plans beside the race only incremental upgrade of gears?
We don't, no. We won't be pursuing a solution for the handful of Miata owners looking for 300lb capacity while retaining street manners for under $4k. There are more owners willing to run dogs and the K swap crew will add to that.

Agreed that the community could use a 300lb syncro box, it just won't be us doing it.
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Old 09-17-2014, 08:43 PM   #50
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Originally Posted by emilio700 View Post
Then there is the possibility of bolting a C30-94 onto a K24. We're already looking at that as a future project. Maybe 400whp and 300lbs tq.
YES that is something we will eventually be test fitting too. You can make 400whp out of a $400 junkyard Accord motor with a lame header.
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Old 09-18-2014, 12:39 AM   #51
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Quote:
Originally Posted by 18psi View Post
Just don't tell them that you already have a 1.8 swapped car, and you're planning to swap back to 1.6.

I bet even Emilio will give you a hard time about that lol, just like I do every time we talk.

Heck, Scott will probably ban you if he finds out

(PS: don't do it.)
I'd rather spend time, money, and energy going to the track than having to mess around with too many emissions things.

Besides at least I'm planning on boosting the 1.6 where as i'd likely leave the 1.8 NA if I keep it.
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Old 09-18-2014, 04:24 PM   #52
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Originally Posted by emilio700 View Post
Thats a tough call if you are mechanically adept and do not require CARB compliance. K swap costs more but can make about the same power.

Viewed as a $/whp question, the Rotrex comes out slightly ahead. Ease of install is no contest, in favor of Rotrex. Torque, I think a K24 can make 230lbs on gas which is about what we made on E85.

Then there is the possibility of bolting a C30-94 onto a K24. We're already looking at that as a future project. Maybe 400whp and 300lbs tq.
Weight also should be a factor. Superchargers aren't light, while the K swap removes something like 60lbs. Probably a 100lb difference over the front end between the two kits.
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Old 09-18-2014, 05:17 PM   #53
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Quote:
Originally Posted by MOABmiata View Post
Superchargers aren't light, while the K swap removes something like 60lbs. Probably a 100lb difference over the front end between the two kits.
Bro, do you even Rotrex? Shipping weight on my entire C30-74 kit was 39lbs
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Old 09-18-2014, 08:28 PM   #54
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Originally Posted by MOABmiata View Post
Weight also should be a factor. Superchargers aren't light, while the K swap removes something like 60lbs. Probably a 100lb difference over the front end between the two kits.
With A/C and P/S removal and the K24 swap, our car dropped over 100 lbs. Its a 2000 and last weigh in was 2278 lbs. Full interior, roll bar, OEM hard top and soft top, race seats and harnesses, no spare tire, and half a tank. Can't complain about that.

That being said, if you are adding weight, I like the idea of adding it in the form of a Rotrex
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Old 09-18-2014, 09:25 PM   #55
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Originally Posted by EO2K View Post
Bro, do you even Rotrex? Shipping weight on my entire C30-74 kit was 39lbs
Please stop making this so damned tempting.

Next you'll tell me the Rotrex kit not only comes with a CARB EO but will spontaneously generate kittens as well.

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Old 09-18-2014, 10:20 PM   #56
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Not disagreeing that a rotrex isn't worthy weight to add, and I didn't know that rotrex's were so light. The Lysolm 1.2L twin screw on my car weighs ~38lbs by itself and that isn't even including the intercooler, piping, etc. All together my supercharger kit is probably close to or more than 60lbs. Still worth it though
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Old 09-18-2014, 10:24 PM   #57
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No kittens. Just sparkly rainbow baby-unicorn-shaped bubbles out the tailpipe.

I like my Rotrex. It allows me to drive like a hooligan during autocross, and get more seat time on the edge of traction. Occasionally seat time watching the edge of traction part ways with me.

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