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EFI 26B 4 Rotor Engine Project (Here we GO!)

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Old 04-01-08, 06:57 PM
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Thumbs up EFI 26B 4 Rotor Engine Project (Here we GO!)

Well its been in the mist of planning since last year 2007. And after my partner and i finished building a sucssesful race car powered by one of CLR Motorsports Elite 13B race set-ups last year. It was contemplated what would be our next step. The idea of building a 20B P-port Motor for the next season crossed our minds but I wanted to take it a step further. After brain storming between Big Al, Carlos Lopez and myself. It was decided that we were gona have to go above and beyond to now build an engine that even the big Heads at Mazda USA will want to inquire about. The engine Project will be headed and put together by Carlos Lopez from CLR Motorsports and Fabrications will be done by Big Al from BMF Racing and last but not least Porting, Funding and the not so clean stuff well be left to me. LOL I will keep pictures of the progress posted as we move on but i can tell you that this will be a long process. i would hope to have this project completed by next year but both time and money will tell the final tale.
Old 04-01-08, 07:02 PM
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4 13B GSL-SE Housings

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Old 04-01-08, 07:04 PM
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4 S5 Non-Turbo Rotors

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Old 04-01-08, 07:06 PM
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FD Front and Rear Stationary Gears

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Old 04-01-08, 07:13 PM
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Here is what a 4 rotor E-shaft Looks like (note! Not Mine)

Old 04-01-08, 07:17 PM
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Your are about to follow a very, very expensive trail. As I am rapidly finding out.
Old 04-01-08, 10:07 PM
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Originally Posted by Ingraham
Your are about to follow a very, very expensive trail. As I am rapidly finding out.
Join the club!

Good luck Rob. You're going to have a lot of fun know.
Old 04-01-08, 10:51 PM
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rotors excite me

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I'm drooling at the mere prospect. Don't let us down! And, of course, kick some *** with this monster.
Old 04-01-08, 11:18 PM
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Thumbs up

Originally Posted by crispeed
Join the club!

Good luck Rob. You're going to have a lot of fun know.
Thanks Criss,

you gotta come check us out at the track in May, the car is kicking ***! Hope to se you guys there.

Laterz
RoB
Old 04-01-08, 11:28 PM
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Nice project. Hopefully someone will finish one of these projects one day..
Old 04-01-08, 11:30 PM
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Originally Posted by rob20rx7
Thanks Criss,

you gotta come check us out at the track in May, the car is kicking ***! Hope to se you guys there.

Laterz
RoB
Most likely I will be there in May as long as I'm not racing somewhere else.
Old 04-02-08, 08:12 PM
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Looks like this will be one crazy build up.
One question, why are using the 13B GSL-SE Housings? Is there a particular reason you want the coolant seals in the housings rather than the irons?
Also, isnt the chroming on those older housings inferior to, say, a S5 or FD housing?
Old 04-02-08, 09:16 PM
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^^^ Renesis plates?
Old 04-02-08, 09:32 PM
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Looks great. Hope you finish on time with your project.
ClR motorsports does some great work..
Old 04-02-08, 09:34 PM
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Very nice! I'm happy you're going to show us the progress!
Old 04-03-08, 06:59 AM
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Real nifty.

So are You going to tell us what your plans are with ignition. ?
Old 04-03-08, 08:43 AM
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Originally Posted by Shainiac
Looks like this will be one crazy build up.
One question, why are using the 13B GSL-SE Housings? Is there a particular reason you want the coolant seals in the housings rather than the irons?
Also, isnt the chroming on those older housings inferior to, say, a S5 or FD housing?
GSL-SE housings are more cost effective and since i will be using pre 86 plates and just fill in the side intake ports, it just works out well like that. thats how i did my 2 rotor p-port.

as for the chrome finish, they are all the same finish.
Old 04-03-08, 08:45 AM
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Originally Posted by Kim
Real nifty.

So are You going to tell us what your plans are with ignition. ?
My ignition will be just double what im using now. 4 MSD 6a boxes with 4 MSD Dual tower Coils. set up with sequential fire for T & L. as for computer i will either keep the Haltech E6k or Move on to an AEM.
Old 04-03-08, 03:24 PM
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Originally Posted by rob20rx7
GSL-SE housings are more cost effective and since i will be using pre 86 plates and just fill in the side intake ports, it just works out well like that. thats how i did my 2 rotor p-port.

as for the chrome finish, they are all the same finish.
Yeah, I suppose that cost makes a lot of since since you will porting the hell out of it and blocking off the intake ports. Not that it would matter on a race motor, but Im pretty sure Mazda did make changes to the chroming over time. Isnt it the superior chroming on the FD housings that necesitates only 2 oil injectors rather than 4? I could be misinformed and Im really not trying to squable. You already answered my original question anyway. Good luck on a badass build!

-Alex
Old 04-03-08, 06:36 PM
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Originally Posted by Shainiac
Isnt it the superior chroming on the FD housings that necesitates only 2 oil injectors rather than 4? I could be misinformed and Im really not trying to squable. You already answered my original question anyway. Good luck on a badass build!

-Alex

Yea the Fd chrome is superior. It's really hard to tell what kind of coating Mazda is putting on the older 13d GSL-SE housings now since Mazda has updated the part number a few times. I'm pretty sure the latest versions of those housings have a far better coating than the original ones. Either way worrying about the flaking shouldn't be an issue till you reach the 100k range. I don't think rob20rx7 is going to be putting that many miles on his 4rotor.
Old 04-03-08, 07:49 PM
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Originally Posted by t-von
I'm pretty sure the latest versions of those housings have a far better coating than the original ones.
That makes quite a bit of sense. I feel kind of dumb not even considering that these are NEW housings and Mazda might have used NEW technology (or at least newer)! The fact that there is such a price difference still makes me a bit skeptical though. Youd think that becuase of the relatively low demand (because there just arent that many GSL-SEs), that the price would be higher if all else was equal. Its not like it really matters anyways. Those housings are going to do the job just fine and Im sure that thing will scream!
Old 04-06-08, 10:40 PM
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This is gonna be wiked! Theres a quadrotor PP FD here in NZ runningeasy 9's! These engines make me drool.
Old 04-07-08, 04:27 PM
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I know this is a project but... Is there any new pictures or news?
Old 04-07-08, 05:11 PM
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Awesome mate love the idea and judging by your first car this will be mint aswell, i got a 20bpp now myself but i think that will be my next engine!!!!

dave
Old 04-07-08, 08:58 PM
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IMHO, I wouldn't question Carlos and his decisions when it comes to this engine. Trust me, he knows best.


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