1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections
View Poll Results: What engine for the RX Tuner SA
Ultimate 12a
146
75.26%
13B-RE
48
24.74%
Voters: 194. You may not vote on this poll

RX Tuner project SA

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Old Aug 27, 2004 | 02:01 PM
  #1  
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RX Tuner project SA

That's right, RX Tuner magazine has acquired a '79 and will be taking on the project for a magazine build-up. But this isn't going to be like anything you've ever seen before. Shane at Rotaryworks will be building the block for this project, and after dicussions, we've narrowed it down to two choices. So I'm starting a poll, and whatever wins, will be what we go with.

The choices are:
1) Ultimate 12a - re-doweled with a bridge and 9.4:1 rotors.
2) 13B-RE - street port, 2mm seals, and 9.0:1 rotors

With either option, it will be turbo and it will be fuel injected. Also with either the goal will be 400 at the wheels, no less. So I'll save my own personal opinions and let you decide

The motor is just step one. We're talking pretty big for the project right now. Things like a custom IRS setup for the rear suspension will be unique, and a challenge. But that's what it takes to be magazine material, right?

So let's hear it, vote and give us your thoughts.
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Old Aug 27, 2004 | 02:21 PM
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Neat.

Do me a favor: Put a miata IRS in, 2nd gen front-end. OR, for the price of parts Federico Kustoms-Unlimited will do it and let you write an article on it.

I might even subscribe.
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Old Aug 27, 2004 | 02:31 PM
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Who is Federico Kustoms-Unlimited?

We're planning on an IRS, rack steering, custom turbo and manifolds, and full stand-alone. And why haven't you subscribed already? You missed the Old School issue ...
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Old Aug 27, 2004 | 02:31 PM
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I'm working on a similar project with one of my FBs, sounds cool.
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Old Aug 27, 2004 | 02:33 PM
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Oh, forgot big-brakes and custom (tasteful) widebody
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Old Aug 27, 2004 | 03:18 PM
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I'm just finishing my TII swap (used to have 12A/mikuni/RB exhaust) so this might sound weird, but I'd prefer 12A. Don't really know why, but I just would like to see how you push such a small engine to such power. Of course the 13B is hardly larger, but with the 12A it'd be a tuned first gen RX-7 engine, with the 13B, it'd be just another engine-swap.
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Old Aug 27, 2004 | 03:33 PM
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Looks like the RE is getting owned
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Old Aug 27, 2004 | 03:37 PM
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I'd say 12a thats what it came with. keep it with the name of stock "12a"
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Old Aug 27, 2004 | 03:46 PM
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Defintely 12a! It'll make for a damn good "underdog story" IMO. Plus it's just way cool.
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Old Aug 27, 2004 | 03:51 PM
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yes, getting 400hp out of a 13b-re ported??? way too easy. do the 12a. WOO WOOOOO!
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Old Aug 27, 2004 | 04:26 PM
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Ya, i want to see a really nice clean 12a with a turbo, fuel injected with the twm throttle body and custom AL top hat. Aus rotary sells the whole kit. t04 60-1 turbo, with custom SS manifold, GT waste gate, microtech ltx8. Must be full bridge port with large street port. Make sure they take good pics of the ports. full gc coilovers with g-force trilink rear suspension and panhard bar. there is a local gsl-se that has that suspension and beats the nationaly competetive turbo miata, both cars on slicks. the se has stock engine too. very impressive. should be an ausome car, and i look forward to seeing it in there.

CJG
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Old Aug 27, 2004 | 08:28 PM
  #12  
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12A please.
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Old Aug 27, 2004 | 08:36 PM
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oh yea, plus we already have a 13b-re single turbo ported fb on this forum.
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Old Aug 27, 2004 | 10:53 PM
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Originally Posted by FB II
oh yea, plus we already have a 13b-re single turbo ported fb on this forum.
A few of them, in fact.

I say 12A, all the way!!
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Old Aug 27, 2004 | 10:57 PM
  #15  
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12a, would be a more "realistic" project, and i would like to see what parts get used

<l><l>
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Old Aug 28, 2004 | 02:44 AM
  #16  
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Dare I say 13BRE. I can't wait to read about the suspension though.
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Old Aug 28, 2004 | 09:16 AM
  #17  
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12A all the way!
You've got my subscription now!!
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Old Aug 28, 2004 | 12:52 PM
  #18  
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it'd be much nicer to see a 12A setup imo...
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Old Aug 28, 2004 | 03:56 PM
  #19  
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I'll jump on the 12A bandwagon...
I prefer my 12A to my SE, and I intend to make something huge out of my '81 12A anyway :-)

I think I'll be subscribing as well and waiting anxiously for this article :-)
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Old Aug 28, 2004 | 05:44 PM
  #20  
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After three hours at U-Haul getting the hitch installed on the minivan of love, we headed up to Mazdaspeed7's house in Savannah (a two hour trip.) It's been a very long day and I just wanted to let everyone see the SA. It's going to need front end work to fix some cancer, but overall the car is very straight and those beautiful rear tails are in great shape.

B

Attached Thumbnails RX Tuner project SA-rxtsa22.jpg  

Last edited by rxse7en; Aug 28, 2004 at 05:52 PM.
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Old Aug 28, 2004 | 06:00 PM
  #21  
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id like to see the 400 hp 12a, if it was to be a 13b, id like it to be a renesis 13b turbo!! yeehoowwsassss

carl.
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Old Aug 29, 2004 | 12:38 AM
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Do a 12A! Or as Carl suggested, if it's going to be a 13B, make it a Renensis. The 13BRE swap has been done many times over.
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Old Aug 29, 2004 | 06:59 AM
  #23  
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A Savannah from Savannah. I can't wait to see the progress. It IS gonna be a 12a right?

Originally Posted by rxse7en
After three hours at U-Haul getting the hitch installed on the minivan of love, we headed up to Mazdaspeed7's house in Savannah (a two hour trip.) It's been a very long day and I just wanted to let everyone see the SA. It's going to need front end work to fix some cancer, but overall the car is very straight and those beautiful rear tails are in great shape.

B
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Old Aug 29, 2004 | 02:26 PM
  #24  
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Originally posted by BOOSTD 7

Shane at Rotaryworks will be building the block for this project...
Does this mean he's no longer banned? That's the same Shane S. of Middleburg, FL that had the Forum name jabbasbmfrx7 that got banned last year, right? Poor guy...he's one of the good guys, glad to hear he's back...and we're all dying to see a 12A built to 400rwhp so you don't have to change front covers and get a new oil pan, etc, etc....just a straight drop in after she's built...which will kill Shane since he's definitely an REW guy...
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Old Aug 29, 2004 | 02:26 PM
  #25  
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Originally Posted by Jeff20B
Do a 12A! Or as Carl suggested, if it's going to be a 13B, make it a Renensis. The 13BRE swap has been done many times over.
The Renesis was our other choice. The original list was N/A 20b, Renesis, 13bre, or 12a. The 20b and Renesis were either way out of our budget or unavailable. I agree with everyone that is should be a 12a. My preference was a Jspec 12a and return the car to original stock condition--I was easily convinced that we should make it a monster.

Oooh, those tail lights!

B
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