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Old 11-30-2008, 06:55 PM   #1
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Default Ideas to finish my car

I recently bought my 1st Miata, the previous owner started to part it, and I ended up with a non-runner with some goodies. Here's what I got
1991 Shortnose with a BEGiS3 Turbo Kit, (the kit is complete)
Hard Dog Roll bar...some other random stuff.

What I need to make it work.
The car was wired for a Link Mk1 The link was sold prior to purchase
I have no exhuast from the downpipe back, it did come with a test pipe but I need a cat as I plan on driving this on the street. I believe the diameter of the down pipe is 2.75"
I only have the stock injectors, It seems to be debatable between 440 and 550.

I guess I'm looking for advice on the exhaust I don't have any welding experience so If I can peice something together that bolts up that would be nice. It previously had a dual Enthuzicar exhaust on it but it looks like those aren't made anymore.

For the ECU I've never seen a link, but I have a friend that showed me his MS. I'm not sure what I want, ideally I would like a netbook computer in my glove box to plug and play with whatever ecu I choose.

Please get my mind going with some ideas.
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Old 11-30-2008, 07:00 PM   #2
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Welcome to the forum. Buy a MS to run it. You can spend a lot of money on exhaust or build your own if you wanna learn how to weld. Or take it to a shop and tell them to build a 3" exhaust for it, but it will likely be crush bent, not mandrel bent.
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Old 11-30-2008, 07:27 PM   #3
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Heres some pics.
Its really clean, not a spot of rust on her, original Mariner Blue paint, no fading either. I love this car and I can't wait to drive it.
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Last edited by suprmn91; 11-30-2008 at 07:28 PM. Reason: add more info
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Old 11-30-2008, 07:51 PM   #4
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i say since ur driving it on the street sell me your roll bar and use the funds towards a Megasquirt or 3" exhaust at a local shop. Just tell them you want 3"mandrel alluminized with a magnaflow muffler...less expensive but good route to go.
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Old 11-30-2008, 08:07 PM   #5
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Originally Posted by tvalenziano View Post
i say since ur driving it on the street sell me your roll bar and use the funds towards a Megasquirt or 3" exhaust at a local shop. Just tell them you want 3"mandrel alluminized with a magnaflow muffler...less expensive but good route to go.
I plan on having some track days with it too, so the Roll bar is staying with me, so are the 14x8 diamond racing wheels and hoosiers that came with it
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Old 12-01-2008, 12:28 PM   #6
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ms and enthuza 3". My enthuza 3" fit perfectly on a mutant car, but its really loud. I recommend two sound dampening agents if you daily the car. With the non-headliner'd hard-top, it might require earplugs or headphones for roadtrips. However, downshifts sound really cool.
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Old 12-06-2008, 08:41 PM   #7
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I'd start with a standalone and wideband first, learning how to tune the miata your self will serve you better in the long run, plus you will be able to safely turn up the boost once you get some experience.
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Old 12-07-2008, 12:05 PM   #8
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Originally Posted by jwatts View Post
I'd start with a standalone and wideband first, learning how to tune the miata your self will serve you better in the long run, plus you will be able to safely turn up the boost once you get some experience.
+1. I just followed this procedure for many months (the only difference is I use an AEM). I installed a Begi S5 from another forum member on my 96 and spent about 6 months with boost at WG spring levels while learning to "tune" my car.

It wasn't until today that I finally hooked up the EBC and turned up the boost.

BTW suprmn91, please post your location below your Avatar. We always ask newbs to do so and it's for situations like this. You're asking for advice but it makes all the difference in the world whether you live in California or some other State where regulations are not that strict.
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Old 12-07-2008, 12:41 PM   #9
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If those are stock they will be blue, and are only like 230 or something???? They maybe RC injectors, they usually are ran with the link ecu from flying miata. They will be black and say RC in red and white at the top. And they will say the injector size on the side of them. 440 or 550's are a good size injector for your application.

First off, how much are you wanting to spend to get it going. That has to be addressed if you have that large of an injector. The stock ecu will not support those injectors.

DiyAutotune has a special on too. And there is a link here to be able to get the pnp for 560 or something right now. I would jump all over it! I think Brainack started building the parrallel ms units again. There are a few others that sell them too. Or you can build your on cheaper.
Or you will need some other fuel management that can control those other injectors.

Otherwise you will need smaller injectors and bandaids.

I have a crush bend 3" exaust on mine. It works well and I only spent $120, and never turned a bolt. But I have no cat which saved $$$. I would not do a crush bend 2 1/2 use mandrenal bends. And if you can wait and purchase a complete exaust, or just mandrenal bends from ebay to have a welded system. That is what I would do.

If you are going to put a cat on it, you need a 200 or 300 cell count for peak performance. But that all goes back to budget. If you have plenty you can do it right the first time.

Or if you are like me and need some time to get it right($$$$). Just go get a $30.00 miata exhaust out of the junk yard, it will bolt up, and then save for what you want, and do it right.

How are you on noise in a DD. My 3" is crazy loud. and has some rattles every once in a while at 4000-5000 rpms. The 2 1/2 isn't anywhere near as loud. You lose probably 5hp, but in my opinion, who cares if you can hear your radio. ( I'm currently trying to quieten my 3" down). Although if you have a cat on it, 3" should be ok.... Mabe. If you want all the power you can get and don't care about sound. 3" is best.

If you do go 3inch, get as big of a muffler as you can and a resonator.

Good Luck

Last edited by Toddcod; 12-07-2008 at 01:16 PM.
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Old 12-07-2008, 06:45 PM   #10
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how about you just clean it up, that engine bay looks like a mess of wires and tubing. things need to be secured in order to avoid getting burnt and melted.
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Old 12-07-2008, 06:49 PM   #11
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It used to have a 3" Enthuzicar exhaust on it, it didn't have a cat though, I can't run a test-pipe as it's illegal. I like a deep throaty exhaust but I don't want cops to be after me everytime I drive by. The old exhaust was dual and the bumper is cut so I would like to run a dual again, I can't find a dual exhaust on the enthuzicar website, but I've seen people doing dual magnaflows and calling it enthuzicar? I'm looking for a place to get what I need, I like the 2.75 cat back from enthuzicar would it be sufficient?. For $$$ I don't want to spend more than 4k total to get the car where I want it,
Identified needs are
Link or Megasquirt ECU $500-750
Wideband 02 sensor $200
550 RC injectors (what it used to have) $350
Exhaust from downpipe back $500-$750
1.8 Torsen Swap $800

Then it needs a new top, supsension and I'm ready to roll....LOL, it's a long ways from there. I just want to make it run right now.
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Old 12-07-2008, 07:10 PM   #12
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Quote:
Originally Posted by hustler View Post
ms and enthuza 3". My enthuza 3" fit perfectly on a mutant car, but its really loud. I recommend two sound dampening agents if you daily the car. With the non-headliner'd hard-top, it might require earplugs or headphones for roadtrips. However, downshifts sound really cool.
do you have a cat and muffler or is it just straight pipe? I have a cat and muffler on my 3" enthuza and I don't find it overly loud. I did a 12 hour drive with it as well. Head was buzzing a little bit but not much more than it would have otherwise after driving that long.

Last edited by johndoe; 12-08-2008 at 12:58 AM.
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Old 12-08-2008, 12:47 AM   #13
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do you have a cat and muffler or is it just straight pipe? I have a cat and muffler on my 3" enthuza and I don't find it overly loud. I did a 12 drive with it as well. Head was buzzing a little bit but not much more than it would have otherwise after driving that long.
I have th cat and muffler too. I guess its all subjective. I'm a little concerned about the law's interest.

Get the 3" with two mufflers on it. Getting 2.5" is a mistake. My sister has the 2.5" JR exhaust on her msm and the car sounds realy weird. In boost, it has no real note or timbre, just turbulence like a hair dryer. It basically made no gain butt-dyno measurable gain in performance...and still only made 154whp with it. She wants 3" now.

Last edited by hustler; 12-08-2008 at 01:52 AM.
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Old 12-08-2008, 01:00 AM   #14
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The law doesn't look twice at a miata. In fact this is the only car where I've consistently gotten out of tickets when pulled over. Not to mention the fact that there are several V8s, Hondas, and a Ferrari in my town which are much louder than my car.
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Old 12-08-2008, 03:42 AM   #15
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She wants 3" now.
Well thats really not asking too much is it hustler?
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Old 12-08-2008, 06:29 AM   #16
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Quote:
Originally Posted by hustler View Post
ms and enthuza 3". My enthuza 3" fit perfectly on a mutant car, but its really loud. I recommend two sound dampening agents if you daily the car. With the non-headliner'd hard-top, it might require earplugs or headphones for roadtrips.
Seriously, do you bleed every month? I've been daily-driving my 3" Enthuza for 24k miles. It's as quiet as any 3" exhaust I've heard on any car.

Earplugs?
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Old 12-08-2008, 02:23 PM   #17
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My 2 1/2 " enthuza sounds great! Relatively quiet at cruise but a really nice sound under throttle. Not ricey at all. It sounds tough. (at least for a Miata!) Have a high flow cat and Borla muffler.

I ended up with the 2.5" as I'm cheap and it was a quality unit available used at the time I needed it. Starting from scratch I'd likely go with the 3". Unless I do a built motor and look for a lot more power I wouldn't change mine though.
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Old 12-08-2008, 06:05 PM   #18
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Quote:
Originally Posted by Bond View Post
Well thats really not asking too much is it hustler?


Quote:
Originally Posted by Savington View Post
Seriously, do you bleed every month? I've been daily-driving my 3" Enthuza for 24k miles. It's as quiet as any 3" exhaust I've heard on any car.

Earplugs?
If the people on this forum even knew the amount of ***** that jumps into my lap you would all be pretty ******* embarrassed. The last two girls I fucked were 21 year old eastern Europeans. They opened me, and basically begged me to show them what its like to be with a man. Ya know, the kind of man who can take women to all those places only the greatest of men can take them. This kind of **** happens to me every ******* day. I'm the motherfucking man, don't ever forget it.
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Old 12-20-2008, 04:31 AM   #19
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Buy megasquirt.
F*ck an exhaust. Why add weight?
Apply boost.
Get 450ish cc injectors
Apply more boost.
Enjoy.

-Ryan
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Old 12-20-2008, 04:36 AM   #20
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Originally Posted by johndoe View Post
The law doesn't look twice at a miata.
True if the miata still resembles a miata. Last time I was pulled over the CHP officer couldn't figure out what the car was without asking me/looking at the registration. Red cars just attract PO's like rats on cheese. Add the aero work, wheels, black and red color scheme, etc. and they pull you over before they ever hear the bov.

As the OP has a mariner blue, they should not have to deal with such issues. Smurf it up! The LEO's won't bother em' one bit.
-Ryan
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