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Old 06-04-2015, 07:35 PM   #1
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Cool First Post on this forum...

I'm an ASE certified Master Tech, been on a bunch of automotive forums, all under the same screen name. We got a Miata for my fiancee about a year ago, we are the 3rd owners, it has 190K on it. It still runs good, but I'm trying to decide whether to replace the engine and rebuild the old one, or buy and rebuild a used one then swap it, but definitely want to do a nice mild turbo setup on it for her. Also looking at doing a much nastier one for myself. I have a 93 S10 that I've done a (430 hp) 6 liter/700R4 swap in, (does 12.20s on street tires), and I also use it to tow my twin turbo Chevy Vega drag race car, which goes mid 9s in the 1/4 mile (so far, better times yet to come). What I want for myself is a "modern day AC Cobra" with even better performance. Looking forward to learning about these great little cars, and perhaps sharing some of my nearly 4 decades of automotive experience with other members.
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Old 06-04-2015, 08:11 PM   #2
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You're going to have fun with the Miata. It really is a great little car. A turbo really wakes them up for street driving. Sounds like an engine swap is in the cards for your "modern day AC Cobra."

We need pictures!!
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Old 06-04-2015, 08:17 PM   #3
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Hmm, modern day AC Cobra, and you're a Chevy guy...

There's an LFX swap, the question is can you fit 2 turbos under the hood with it. And can you get some of those titanium rods that the ATS-V uses.
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Old 06-04-2015, 08:55 PM   #4
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I could almost see a turboed 6 cylinder swap on her car later on, always liked the 60 packages, a 2.8 or 3.1 Chevy with a 5 or 6 speed would be pretty cool. But for mine, the LS is probably going to get the nod, and most likely turboed as well. Lots of guys on theturboforums.com building 5.3s and 6.0s, and my boss has a 2000 5.3 with 540,000 miles on it, and still going strong, I'll probably inherit that one day and rebuild it. I think there's probably about as much room under the hood of a Miata as there is under the hood of my Vega.

Last edited by Rickracer; 06-04-2015 at 09:10 PM.
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Old 06-04-2015, 09:36 PM   #5
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If my Miata, when I get it, runs anything like this:







...I'll be a happy camper,
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Old 06-05-2015, 11:16 AM   #6
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Welcome to the site Rickracer, thanks for joining up!
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Old 06-05-2015, 11:50 AM   #7
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Turbo LS is gunna need some fat rubber to be even remotely useful lol. Or boost by gear with EBC and a 1psi wastegate lol.
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Old 06-05-2015, 11:59 AM   #8
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Quote:
Originally Posted by Schuyler View Post
Turbo LS is gunna need some fat rubber to be even remotely useful lol. Or boost by gear with EBC and a 1psi wastegate lol.
This^. Don't get me wrong, I want to see it, but I think you might be grossly overestimating how much power you need in these things to kill yourself twice.
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Old 06-05-2015, 12:04 PM   #9
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See: this video posted in the random pics thread, LS with rear mount turbo, fishtailing at 100mph.

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Old 06-05-2015, 02:59 PM   #10
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I'm a big believer in fat rubber. I built that kart a few years ago, it's a Suzuki RM250 dirt bike motor, with the biggest regular kart tires they make. Kart itself weighs 160 lbs. Specs say the motor makes ~43 hp @ 9600 rpm. It has pulled the front wheels up on a road coarse coming out of a turn.
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Old 06-05-2015, 03:12 PM   #11
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I love to see little miatas with big power. But since you already have the straight line speed thing sorted out, you should try and challenge yourself around some turns.

Start a build thread, we love seeing progress and pictures.
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Old 06-05-2015, 03:40 PM   #12
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Obviously, differerent people are in to different things. Evident by the #StanceNation#ClubRicer#ILikeBuyingTiresEvery15Mil es.

For me personally, the miata is not the car I would want to build big power with. The main limitation being tires. The widest 15" street tire currently available for the miata is a 225. You can put wider rubber underneath it, but you're talking r-comps at that point. And for what you would need, not even flares would be enough. But I suppose some people like fenderless exposed tires. I don't see myself spending big$ on a track only car. I'd much rather have a weekend car, built up fast, uncomfortable, etc. that I can still drive on the street, go to car shows, race civics with stuffed animals hanging from their ginormous tow hooks, etc. Again, just speaking with regards to my personal goals. If this is seriously your goal, and you're going to spend 20/30/40k on a turbo LS build, just keep things like this in mind. If you're going to have grip, you're going to buy r-comps regularly. REGULARLY.

Tl;Dr: Buy an FD RX-7.




Sidenote branching off of the hondas: I pulled up next to an integra at the gas station after getting off the interstate tuning. While making a few changes to the tune sitting in this parking spot, the integra starts revving up his car, and just holding it on the ******* rev limiter. WAMMMBAMMMBAMMMBAMMMMBAMMMBAMMM. Sounded terrible. Big **** eating grin on his face. And so my friend looks at me, and just gives me the look. Queue spark-cut 2step. It's like 2am, so dark enough to see the HUGE flames out the tailpipe. Guys face instantly sinks. Man was it funny.
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Old 06-05-2015, 04:19 PM   #13
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I dig the kart. Looks like serious fun.
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Old 06-05-2015, 04:34 PM   #14
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Punk kid next door goes through crappy used cars like crazy and always holds them on the rev limiter sitting in the yard. Civic, Neon, Jeep, Crown Vic, pickup truck, they all get held on the limiter. I don't get it.

OP, you don't need a great bigass engine to go fast in these cars because they aren't fat pigs. You can go 12.20s with high 2xx whp if you prep the car right.

And did you really mention the 2.8 3.1 engines? You must have missed the LFX swap threads or don't know what the LFX is...
Much fun can be had with them.
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Old 06-05-2015, 05:26 PM   #15
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The NB sees the limiter regularly. Mostly under load, but sometimes not.
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Old 06-05-2015, 05:32 PM   #16
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Quote:
Originally Posted by Schuyler View Post
Turbo LS is gunna need some fat rubber to be even remotely useful lol. Or boost by gear with EBC and a 1psi wastegate lol.
MNIVET hooks up pretty well.
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Old 06-05-2015, 05:33 PM   #17
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Most people coming from heavier cars simply don't understand, or can't even comprehend how much power 400-500-700 is in a miata.

But it's fun to see absurd things done, so power to ya.

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MNIVET hooks up pretty well.
I've yet to see his car run without breaking or having issues, much less actually have him launch that car on the street.

Or am I missing something? If so, post vids.
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Old 06-05-2015, 05:37 PM   #18
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Quote:
Originally Posted by 18psi View Post
Most people coming from heavier cars simply don't understand, or can't even comprehend how much power 400-500-700 is in a miata.

But it's fun to see absurd things done, so power to ya.



I've yet to see his car run without breaking or having issues, much less actually have him launch that car on the street.

Or am I missing something? If so, post vids.

https://www.youtube.com/user/1sikz31/videos

I'm not saying he can flat foot 1st or even 2nd on street tires, but it seems to dead hook 3rd.

Miatas hook well because dat lack of weight.
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Old 06-05-2015, 05:39 PM   #19
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Quote:
Originally Posted by concealer404 View Post
Miatas hook well because dat lack of weight.
Tell that to ryan raeduchel who spun wrinkle wall slicks down the track

Also those vids are old. And hooking 3rd on a T56 trans is not exactly hooking lol. that's like 70-80?
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Old 06-05-2015, 05:40 PM   #20
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The first miata I've ever seen dead hook insanely good off the line is that electric one that runs 9's at 140
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