I don't recall seeing this posted:

http://www.racingbeat.com/resultset....tnumber=engine

If it's a repeat, the moderator can delete the post.

 

damn, I didn't know about it till you posted it. cool stuff.

Tim

 

I like how they still have the Qty: basket, like I'm not sure if one will be enough.

 

very nice

 

damn thats hot...wish there were some pics

 

dp

 

:O $50,000

On a smaller budget?
I saw this 3 rotor setup in the parts for sale section.
https://www.rx7club.com/forum/showthread.php?t=386960

 

Only making 1K hp on methanol on 21 lbs... not very powerful for the amount of money they want just for a really low compression engine when we have people on here making (with a 20B) 6-700hp on 13-17psi for $5-10K on an engine. My expectation was 1500hp. Can't see paying that for a "collector" item that will be used and abused like any other motor

 

Turbo3, Racing Beat is all about reliability, I bet that engine will outlast nearly any other 3 rotor engine making the same amount of power. But yeah, it does seem fairly mild. You have to remember that is not a drag engine. So different powerband probably. My best guess is its the old white FD bonneville engine.

wooooooow
All tension bolts fully "pinned"
Water jacket modification on all rotor housings
Iannetti Ceramic Apex Seals 3mm
7.5 to 1 Compression ratio rotors, cast by Mazda Japan
Exhaust manifold - Inconel 625, including all bellows.
noice

 

It's in the "bargain bin"!

-Max

 

Node...I would call it "conservative" more than reliability but I do appreciate the amount of work gone into that motor, definitely has quite a few hours into it. Wonder what the powerband looks like vs. a 20B?

 

i never heard of anything other than a drag racer running methanol-could have been for a limited top speed run. wonder what kind of mpg that would get? LOL

 

yah, thats funny, ill take 5 please, LOL

 

Hey guys thought i would pipe in here

i was working @ racing beat when they were building that engine, and ill tell you somethin, its ****** sweet!

i dont remember who the customer was origionaly but i dont think it matters, what everyone here needs to think about when they say its low on power is that there are alot of other things that go into a race motror other than just power, the drysump setup, the hand fabricated intake manifold, the hand fabricated incanel exhaust manifold (dont forget incanel is ****** expensive! ) and the time it takes ot hand build and balance a motor like that, i think its a steal and would buy it if i could, but i dont wana spend that much cash on any motor i didnt build myself

btw that thing has the most wicked howl on the dyno!

 

so you're saying this IS the Bonneville FD engine? i guess they made these changes after the wreck, eh? i would have loved to have heard that thing in person. man, it sucks to be poor ...

 

the Bonneville 3 rotor was setup with 3 turbos.'

so no thats not the motor.

 

I know thats one bad *** motor but who would pay 48.000 for it? besides whats so special about a 13g? when you could go 20b! both are three rotor. I dont now the exact displacement of the 13g but it does use 13b parts so im guessing 2.0L

 

Inconel is very expensive, that's what they use for F1 exhausts...

 

I run Inconel on my car.

I am not sure why that engine is so expensive either. Maybe just because it is a 13g. But with technology these days, you can build one for much cheaper and perform the same.

 

Why buy a Porsche 911 when you could go Volkswagen! Both have 4 wheels.

The 13G was the predecessor to the 20B race engine. Both were 2.0L (1962cc). The 20B race engine is not the same "20B" that was standard in the JC Cosmo street car any more than a NASCAR V8 is the same V8 that comes in a standard Ford Thunderbird. BTW, a "low-tech redneck" NASCAR V8 costs about $60-80K. Race engines have a lot more work done to them than you may realize.

 

As I understand it, the 13G was specially developed for use in some Asian race series. (Feel free to correct me, if you have better information.) So, not only is it a race engine, but a very limited production one, as well.

A few years ago, I talking with Roger Mandeville, who told me that he had developed a 3-rotor alternative to the 13G at Mazda's request. They wanted something a little less expensive. IIRC, he used a custom shaft, 1991 high-compression rotors and 13B-rew housings. The result produced 550 normally-aspirated hp at 9000 rpm and ran successfully in 24-hour enduros as proof of reliability. This low-cost alternative could be had for only $28,000.

 

This is correct, can be done for even little bit less.
My engine makes 490 Hp @ 9200, 310 Lbs/ft. @ 7800 Rpm. small Throthle bodys
And 510 Hp @ 9600, 292 lbs/ft. @ 8200 on the larger set. (speedway set-up).
91 NA Rotors, CLR Carbon 2 piece Apex seals, CLR Made up Rotor Housings, MFR. Dry sump, 20b Cosmo engine block. All other components, custom made by CLR.
Engine has run now for 2 years, and won an SCCA GT1 championship without opening up or refresh.
can be seen at: http://img.photobucket.com/albums/v112/GT1-20b/

 

i know. i have the real article on the original specs and shakedown. i was just trying to figure out which engine this is because the gentleman that said he used to work for RB said he remembers this motor. so i thought maybe they made changes as the car evolved after the wreck ...

thanks anyway though.

 

Well, I dunno. Earliest I heard of the 13G showing up in anything was in the 757 LeMans car (which incidentally looks *SO* much like a straight Porsche 962 clone) in '86.