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Rotary Engine Rebuilders

Old 05-03-2017, 08:43 PM
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Rotary Engine Rebuilders

Many of us need rebuilds, and I've spent a good bit of time searching.
I can't seem to find a thread with a substantial number of reputable rebuilders, so I thought I would post the ones I've seen referenced on our forum.

Locations and reviews may help new members, and save time for the rest of us.

Feel free to add or update as needed.

In alphabetical order:

Indiana
Banzai Racing Home Page

Phoenix, AZ.
https://black-halo-racing.myshopify.com/
*Member fireishot34 reports BHR no longer does rebuilds.

​​​​S.E. Michigan
https://chipsmotorsports.com/

Moraine, Ohio
https://www.colletti-motorsports.org/

Columbus, OH.
http://www.definedautoworks.com/

Rogue River, Ore.
http://www.drummondengines.com/

Laurel, Indiana
http://www.eccentricmotorsports.net/
(A member recommends this shop, no mention of rebuilds on the website.)

New Jersey
Services IRPerformance

Los Angeles area
http://jandgautomotive.net/


Topeka, KS.*
http://jesseprathermotorsports.com/new/
*Website says they build racing engines, a member recommends them.

Blackwood, N.J.
http://www.jprimports.com/

Los Angeles
https://lucky7racing.net/

Signal Hill, CA.**
https://mazdatrix.com/index8.htm
A member reports Mazdatrix no longer does rebuilds.

Cresson, TX.
http://goteammer.com/
(Apparently, this shop builds racing engines, not ordinary rotary rebuilds, I'll leave it in case someone wants to build a RACE CAR.)
Update: 7/31/18
A member reports MER doesn't do actual rebuilds.
https://goteammer.com/services/rotary-service/


Huntington Beach, CA
http://www.neptunespeed.com/

Edinburg, Tx.
OJ Imports

Palm Beach, Fla.
Pettit Racing
RX-7 & RX-8 Performance

Portland, Ore.
Pineapple Racing

Anaheim, CA.**
http://www.racingbeat.com/mazda/performance/about.html
** Racing Beat does not rebuild engines, but is a source for those who decide to DIY.

Neosho, MO.
(Southwest MO.)
http://m.therotarydoctor.net/?url=ht...%2enet%2f#2750

Calgary, AB, Canada
https://www.rotaryengine.com/

Garland, Tx.
https://rotaryperformance.com/

Knoxville, Tn.
Rotary Resurrection home of the budget rebuild.

Kannapolis, NC
(Charlotte)
http://www.rotorsportsracing.com/
A member mentioned them in a thread and has contacted them, no results yet.

Miami, Fla.
Turbo Clinic ROTARY
12400 SW 128th St, Miami, FL 33186(786) 897-8324https://g.co/kgs/EiU5tG
(I could not find a viable link, they're on Facebook, I'm not)

Last edited by BigCajun; 01-19-2019 at 09:59 AM.
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Old 05-04-2017, 12:25 PM
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I would suggest people search here and on rx7club.com for each of these before choosing. After 6 years of being boosted I am still thrilled with my Pineapple Racing build and the process was the best I could have wished for.

But, one and IMO the best, would be Darryl Drummond. He built the sealed Renesis engines used in the Star Mazda Formula Race Cars and a buddies Renesis from him made 268HP on the engine dyno.

Drummond Engines 541.761.5520

I would also put Pettit, Mazdatrix, and Racing beat on the list even though I decided against each of them based on the interactions I had with them.

Last edited by 9krpmrx8; 05-04-2017 at 12:28 PM.
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Old 05-04-2017, 12:32 PM
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I will also add that people should educate themselves on what is important in engine building, and a lot of the attention to detail you see in piston engine builders does cross over to quality rotary builders. There is also a lot of misinformation regarding what makes power, and what doesn't. For example, the proven high HP drummond engines are not ported.
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Old 05-04-2017, 01:12 PM
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Originally Posted by 9krpmrx8 View Post
I would suggest people search here and on rx7club.com for each of these before choosing. After 6 years of being boosted I am still thrilled with my Pineapple Racing build and the process was the best I could have wished for.

But, one and IMO the best, would be Darryl Drummond. He built the sealed Renesis engines used in the Star Mazda Formula Race Cars and a buddies Renesis from him made 268HP on the engine dyno.

Drummond Engines 541.761.5520

I would also put Pettit, Mazdatrix, and Racing beat on the list even though I decided against each of them based on the interactions I had with them.
We have at least a dozen Star Mazdas kicking around at my home track. They are seriously fast. I want one. Badly.

Several of them have Drummond engines, and the owners rave about them. That puts Drummond high on my list for when my engine inevitably lets go. Drummond has limited bandwidth, however.

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Old 05-04-2017, 01:21 PM
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I'd like to add Lucky7 Racing in Duarte, CA (Los Angeles metro area)
https://lucky7racing.net/

I did not realize Racing Beat did re-builds. They certainly don't advertise that anywhere.
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Old 05-04-2017, 02:24 PM
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Yeah those engines in those cars use a unique header, cable 70mm TB, and a Bosch race ECU IIRC. pretty impressive.
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Old 05-04-2017, 05:39 PM
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Originally Posted by Jastreb View Post
I'd like to add Lucky7 Racing in Duarte, CA (Los Angeles metro area)
https://lucky7racing.net/
Done.
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Old 05-04-2017, 05:48 PM
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Originally Posted by 9krpmrx8 View Post
I would also put Pettit, Mazdatrix, and Racing beat on the list even though I decided against each of them based on the interactions I had with them.
Done, although I didn't see rebuilding mentioned anywhere on Racing Beat's website.
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Old 05-04-2017, 05:53 PM
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Well they are affiliated with Mazdatrix so maybe they handle all the rebuilds? It was a long time ago when I spoke to them. They were both really vague about what a rebuild of Renesis entailed and they did not recommend turbocharging it and generally spoke bad on the Renesis so I passed.
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Old 05-04-2017, 06:02 PM
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Originally Posted by 9krpmrx8 View Post
Well they are affiliated with Mazdatrix so maybe they handle all the rebuilds? It was a long time ago when I spoke to them. They were both really vague about what a rebuild of Renesis entailed and they did not recommend turbocharging it and generally spoke bad on the Renesis so I passed.
They have rebuild kits, so it's useful info in case someone decides paying for a rebuild isn't in their budget and considers a DIY.
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Old 05-05-2017, 01:52 AM
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Originally Posted by 9krpmrx8 View Post
Yeah those engines in those cars use a unique header, cable 70mm TB, and a Bosch race ECU IIRC. pretty impressive.


It was a MoTeC ecu, one of the best.
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Old 05-16-2017, 04:04 PM
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Originally Posted by BigCajun View Post
Done, although I didn't see rebuilding mentioned anywhere on Racing Beat's website.
I don't think RB has done work on consumer cars in quite some time.
they mainly design and sell products at this point.
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Old 05-16-2017, 05:34 PM
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BC: you should add
Huntington Beach, CA: NeptuneSpeed
NepTune SPEED - Home
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Old 05-16-2017, 05:58 PM
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People who specialize in earlier rotary engines may not be the best choice for a Renesis. It has some of it's own unique peculiarities that require knowledge and experience on how to best address them.
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Old 05-16-2017, 06:23 PM
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Originally Posted by Jedi54 View Post
BC: you should add
Huntington Beach, CA: NeptuneSpeed
NepTune SPEED - Home
Done.
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Old 05-16-2017, 06:26 PM
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Originally Posted by TeamRX8 View Post
People who specialize in earlier rotary engines may not be the best choice for a Renesis. It has some of it's own unique peculiarities that require knowledge and experience on how to best address them.
Thanks for your input.
I did see RX8s on their site.
I'm including them for informational purposes, and if anyone has any experiences or opinions about them, that's welcome also.
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Old 05-16-2017, 06:54 PM
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Yeah but it's not often he does it.
Last time I was there he was rebuilding a motor and mentioned it's rare he does them because most 8 owners are on a limited budget (aka they're cheap skates) and just opt for a crate motor from Mazda since it's cheaper.
You know Yoshi though, he'll do whatever makes the customer happy.



side note: feels like just last week we were at his shop and you installed that clutch pedal. Still rock solid all these years later.
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Old 05-17-2017, 11:54 PM
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Any Midwest shops for the list?
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Old 05-18-2017, 06:11 AM
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Originally Posted by Woldy View Post
Any Midwest shops for the list?
I'm not aware of any, hopefully there are some, but in nearly 5 years here I don't remember any talk of one.

One of the reasons for this thread is to get a list of all rebuilders so we can find the best choice for our individual members.
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Old 05-18-2017, 07:57 AM
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I've been eyeing these guys for a while as they are not far from me DEFINED AUTOWORKS | Service Repair Upgrades | Performance for Mazda RX7 | RX-7 | RX8

Is there anyone that here that has used them in the past? Quality/service/warranty?
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Old 05-18-2017, 12:25 PM
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Originally Posted by boricua13 View Post
I've been eyeing these guys for a while as they are not far from me DEFINED AUTOWORKS | Service Repair Upgrades | Performance for Mazda RX7 | RX-7 | RX8

Is there anyone that here that has used them in the past? Quality/service/warranty?
I've been wondering about them too. I live an hour away but never heard anything about them.
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Old 05-18-2017, 12:29 PM
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Originally Posted by boricua13 View Post
I've been eyeing these guys for a while as they are not far from me DEFINED AUTOWORKS Service Repair Upgrades Performance for Mazda RX7 RX-7 RX8

Is there anyone that here that has used them in the past? Quality/service/warranty?
Gracias amigo.
Added to the list.
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Old 05-18-2017, 12:31 PM
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Originally Posted by Charles R. Hill View Post
The closest to MN that might call for at least a little curiosity might be Chip's Motorsports.

Contact Us - chipsmotorsports
Thanks Charles, added to the list.
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Old 05-18-2017, 06:36 PM
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Originally Posted by BigCajun View Post
Many of us need rebuilds, and I've spent a good bit of time searching.
I can't seem to find a thread with a substantial number of reputable rebuilders, so I thought I would post the ones I've seen referenced on our forum.

Locations and reviews may help new members, and save time for the rest of us.

Feel free to add or update as needed.

In alphabetical order:

Indiana
Banzai Racing Home Page

You may want to scratch them off the list

https://www.rx8club.com/series-i-tro...o-idle-265245/



.
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Old 05-18-2017, 07:35 PM
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Originally Posted by TeamRX8 View Post
You may want to scratch them off the list

https://www.rx8club.com/series-i-tro...o-idle-265245/



.
Thanks for linking that.
As I said before, I'm doing this for informational purposes.

People can form their own opinions by reading threads such as the one you posted.

If anyone posts about builders, good or bad, this might be a good place to find that out.
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