Aw damn, now I'm off to research crank triggers which I've never even read about lol.

Like I said, a linear power curve with a peak of ~280rwhp would be ideal for the SSM car I want to make. 100 octane is pretty obtainable out here in East Tenn. with all the hotrods/muscle cars that like to go to "da strip, mang"

When you say modification to the IM, does that include a gutted 99-00 VICS manifold like ArtieParty and patsmx5 did? I've got a Fuji IRTB kit(hince the avatar title :giggle: ). But I figure the hassle and headache one would go thru for the air-box fab work, tuning, and such wouldn't be worth the power gain. So can an AEM EMS do sequential fuel and ignition? For some reason I doubt the MS can't because I've never dealt with or seen any individual cyclinder chanhges.

I would love to have a powerband of a VQ37 in my miata :). But I want to make sure that its possible!

This is the first I'm hearing of this stuff Emilio. Perhaps you should detail the ease of turning up the boost more on your site so people know that they don't need to buy like another pulley or shit like that in order to eventually max the system. Granted you will need additional charge cooling and fueling, those things are a given. Information about the system itself though seems sparse to the buying public. Most people know zip about the rotrex.

Yes but were learning!

Thats the point though, when you are selling something you should go out of your way to educate people. It expands your customer base.

The MS PnP won't do crank trigger on the NA box without internal mods.
The DIY PnP and the MSII boards will.
Yup, gut plenum, clean up rough stuff. If you can weld a box section into the throat right behind the TB so that incoming air is less obstructed, you should be good. That said, the OEM manifold is a turd. Figure on getting frustrated with it and building something from scratch like most tuners end up doing. Savington's own 2871 turbo car is probably tossing away 30-40whp because of his stock intake manifold.

AEM EMS V1 and V2 do sequential fuel and ignition.

lol

We have been sharing this info for many months both on this forum and the m.net. It's just that every time we start, the exhaust driven turbo and MP62 mafia open fire on us. Corky himself seems to have a radar for my posts. No one notices all the data we're sharing.

I recall how resistant folks were three years ago to the idea that 8" wheels were faster ;)

Detailed instructions for getting lotsa power from a Rotrex

1. Remove restrictor
2. Add fuel

The rest of the stuff is not Rotrex specific. High specific output from a BP series Mazda engine with any F/I requires the same mods for charge cooling, ignition and fueling precision, etc. Virtually every Kraftwerks Rotrex kit, be it S2000, Fit, Miata, are all geared for max blower RPM with the top end restricted to some degree. So max boost is as simple as removing the inlet reducer and that takes about 30 seconds.

I didn't realize I had typed anything funny.

Just you exhorting me to supply information on making power with a Rotrex. We' have been doing that for many months but nobody noticed, until a well known "turbo" guy said, 'it wasn't bad at all'. Just some irony there that only me and the Jackson's would get a chuckle from.

No offense!

Well Emilio, TBH I just never saw or read about the Rotrex in a thread or on any site until now, it's definately peaked my interest. If you couldn't tell haha. The fact that Sav, a well known turbo guy that does track events and autox's, says "it's deceptively fast" only helps hah.

Emilio does the Rotrex exhibit the PTFB you were talking about at all? When I had the turbo on my car I definately found myself using the throttle to steer. In my dad's STS miata I found myself at WOT as much as possible. PTFB would definately be a downside for me :-\.

I honestly don't remember seeing anything on here, and I don't ever go on m.net. It has nothing to do with Sav posting about it for me. There is just no repository of info on the rotrex that I've seen on here.

To add, before looking at the new dyno in like the last week the only dyno I had ever seen was the measly 6psi dyno that was not impressive to me at all for the price. I only TODAY know that there is 0 upgrade needed to the actual kit in order to max maximum output. That only the usual supporting mods were needed. Whenever I remember anyone asking about it making more power or turning up the boost I only remember seeing your reply "we are working on a kit for that". I don't ever remember seeing "just take out the restrictor".

Never. It's as Sav said, like driving a bigger N/A motor. Direct link from throttle to all available torque, every time, all the time, instantly.

Most inquiries have been about PnP kits. Those are in the works. From day one, we tried to let people know the base kits used the same blower as the race kits, the boost limit being set by the inlet reducer.

Anyway, hope its clear now. One can start with a YouTune kit which is no piping or ECU and do whatever you like. One can also start with a KW1 and gradually up boost as the budget for supporting mods allows.

guys, I actually take offense to Rotrex is "only" easier to drive. somehow that implies with a good driver, lap time would be the same. and not an advantage.

fact:
Savington - a very good driver did a best of 1:58.1 in one of best and fastest turbo track Miata in the country. He (in a borrowed helmet) jumps into a Rotrex making 88whp less (on the same dyno) and ~100LB heavier, complained about balance and aero setup, did a 1:57.5 on 4th lap. that should count for something.

Where is the link to the group-buy on this trigger wheel and the how-to set up MS thread?

that is impressive to say the least.

this.

It's not always about peak HP or even torque curve. It's the AREA UNDER THE CURVE (AUC) that makes a car fast.

yah, area under the power curve, which a turbo car is going to have more of. :noob:

Its not all about power, response is important too, and thats the only thing that holds back a turbo car compared to NA or SC.
On paper a turbo car is the superior, but that is not the end of the conversation.
Making the car more driveable is not just making it easier for noobs to be fast, it helps anybody be fast. Why do you think Formula 1 cars have traction control? because its easier on the drivers? no. because it makes them faster.

My faith relies in a turbo being the best option and having the best potential when optimized.

Everybody is trying to compare apples to oranges, and basically youre all fags, shut the fuck up and let the cars do the talking.

P.S. Im kinda drunk so hopefully Im making as much sense as I think I am.

To be fair, my car should be much faster than that. We experimented with the GTC-300 (which I didn't have enough front aero to pull off) and the changes we made to try to get the car to rotate just made it very, very twitchy and nervous. I have no doubt my car would be deep into the 55s with a little setup time.

What you SHOULD give weight to is how quickly I was able to jump into Will's car and go fast - we all know the 230whp/light weight/big tire/great suspension formula works, but for me to get in and set the 3rd fastest Miata time at BW in 4 laps is the impressive part.

methinks that regardless of if it's comparing apples to oranges, if after some tuning and dialing in for both cars the Rotrex'd one that is 90 whp down from your car Sav, turns out to be capable of an equal lap time, you won't be a happy camper. Both are saying they expect their cars to be capable of 55's..

what's this non-USDM intake manifold of which you speak, emilio??

That is interesting. I am wondering/assuming that a non-US manifold won't have to be provisioned for the EGR valve, so the the runners will be more equal-length than the turd we got.

euro spec intake manifolds have the EGR provision aswell AFAIK. My '94 does atleast and I bet the later models too.

I know I don't post much here, but I wanted to chime in and say a couple things.

1. damn.
2. will and andrew, congrats. That's really fast. I think my car has probably better throttle response than 99% of turbo cars out there. But there is definately a difference between that and cars with instant throttle response.
3. I've lived outside of California too long. My records are going to fall. Congrats in advance for doing it. I'm pretty sure it will be a combo of the people and cars in this forum...

Matt

Don't forget me!!!! :cry:

don't worry, I could never quit you.

brb, gotta herd sheep.

Still has EGR
Slightly bigger runners
Slightly more plenum volume
TB has less obstructed flow to plenum
No VICS or VTCS

Might guess it makes a tad more power. Won't know 'til March or so though. Moving to new shop in 4 weeks.

Pic borrowed from MX5Cartalk.com (Australia). Also seen in Japan, UK and EU.

http://www.mx5.com.au/nsw/images/engine.jpg

I need one of those.

For serious, forget my ITB idea, furk.


Just saw this, hah. I take these words with great appreciation!

LOL I've been talking about PTFB and the solution since about 2001. This is why I use a 5 psi wastegate can and then use EBC to raise it to 10.

One of the nice things about the AEM is you can use a 3D MAP of target boost, with TPS and RPM as the axes.

Same here, I use the boost target per TPS & RPM to raise my 7psi WG spring pressure to 14. Works pretty well on smoothing out the torque feel.

You can also run an adjustable pressure relief valve inline to your MBC to control boost onset.

DIY-Boost-Control

LOL I've been talking about PTFB and the solution since about 2001. This is why I use a 5 psi wastegate can and then use EBC to raise it to 10.

One of the nice things about the AEM is you can use a 3D MAP of target boost, with TPS and RPM as the axes.

Really?

William enjoying a little Kraftwerks Rotrex power oversteer coming off the skidpad at Streets of Willow CW today. Oh yeah, we reset the absolute lap record for Miatas at 1:22.830

http://949racing.com/kraftwerks/William_SOW_0110a.jpg

That wing needs bigger strakes/plates, or whatever we're calling them now.

Very cool to be seeing times being dropped further and further

endplates?

Seriously, why not just mount them to the outsides of the quarter panels at the bumper seam.

that's what I've done before. duct taped to the body, so in theory cause air separation at the rear, like a Prius/Insight.
but had too much rear down force, had to keep cranking up the rear wing. center of the wing is actually pointed up 2 degree in that picture. doing that, side plate will no long line up with the body.

a bit ugly, so I will put back stock end plate.

thanks to you. you helped us fixed start issue. and saw your post on transient throttle, which fixed most of the stuttering issue by noon.

this beat Savington's previous record by 0.1 sec. but to be fair, there was with a chicane repavement 2 months ago, which is worth 0.25 - 0.5 second depending on who you talk to.

I'll start taking credit when you guys do le mans style starts. :D

http://www.youtube.com/watch?v=_jTWex_au8M

Fixed the youtube link.