Tire selection on a 1500hp Miata... - Page 2 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 07-03-2008, 11:18 AM   #21
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how about he builds the car with 1500 hp and puts it on a dyno like FM's (bolts to hubs) and then decides if he needs tires.
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Old 07-03-2008, 12:00 PM   #22
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how about he builds the car with 1500 hp and puts it on a dyno like FM's (bolts to hubs) and then decides if he needs tires.
haha, best post evah!!! lol


1500hp and street driven, only in TX. But still, he will not fit a 30" MT under any Miata, sorry.
He better learn how to weld and get busy on re-enforcing the hell out of that car, it will twist like a wet ******* noodle.
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Old 07-03-2008, 03:40 PM   #23
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So...I never caught on to why no fender rolling or flares?
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Old 07-03-2008, 04:02 PM   #24
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what ITBs is he running?
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Old 07-03-2008, 04:34 PM   #25
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Is this Carb'd, TPI, or Holley Pro we are talking about? cause 1500HP is still a f-ton of money and a lot of power from a stroker. I had a 525hp 383 stroker in an older firebird, and that engine was around 5k after we built it. And I doubt strapping turbos, N20 and Injection would have net'd 1500hp. in mine. Just a thought... Don't forget the trans to hold that power (???), the diff to hold that power, and the tires to put it to the pavement without blowing up. Then the frame will have to be heavily reinforced, like, full cage and the some. But, He probably already knows that...
Possible but not Probable. Also, couldn't find the picture, but the fella who ran 180mph at Boneville with a 302 in his miata would be a good guy to ask for traction questions.
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Old 07-03-2008, 05:03 PM   #26
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I'll post a teaser pic when it gets out of the chassis shop...
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Old 07-03-2008, 05:20 PM   #27
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i think all of u added an extra 0 to ur post? no?




seriously tho, 1500????!?!?
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Old 07-03-2008, 10:19 PM   #28
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Alright Mike, I'm holding you to some high standards, but this sounds wickedly cool, especially right before you punch the gas and the car explodes. But here's a more important and somewhat serious question. Drag, Salt, or Circle? I think this car would HAVE to be setup for the salt flats, right? Although that is a bit far from Texas. What internals are you running, Eagle maybe? And Homebrew Turbo or something more big name?
Also, what sort of trans and rear? I really want to find out!
About the tires, though. I can't for the life of me find the red 302 powered miata that ran at Bonneville. I think it was on m.net as Miata of the Month, but I didn't see it there. He had some very beefy tires, but like everyone else has said, I don't see this as viable without rolling/pulling and flares as well. Check out 949's site on their 15x9 6UL's,
Fits 205/50/ 225/45, 225/50, 245/40, 245/50, 275/35 tires.
From their site. I believe they state these tires w/the 9" wheel fits miata's w/out fabrication. I think you're looking for at least 315's right? Hope that helps to start anyway...
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Old 07-04-2008, 01:02 AM   #29
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Better watch for the guys running turbocharged stock motors if you want to see bangs. This is a much more substantial build then people are realizing. I haven't put this together with scraps. It truely is a very high dollar build. Bryce has seen some of the stuff. Nothing short of breath taking. I will be using this car to drag race. It's what i enjoy doing. I won't be running 949 wheels, I need more wheel width to fit those ET Streets on them. We'll see what times it runs when I am done. I have my guesses, but people wouldn't believe that either. I will not be telling specifics at this time.

BTW, this project is already 6 months in.

I am humored by the reactions.
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Old 07-04-2008, 01:50 AM   #30
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Quote:
Originally Posted by mikef85 View Post
Better watch for the guys running turbocharged stock motors if you want to see bangs. This is a much more substantial build then people are realizing. I haven't put this together with scraps. It truely is a very high dollar build. Bryce has seen some of the stuff. Nothing short of breath taking. I will be using this car to drag race. It's what i enjoy doing. I won't be running 949 wheels, I need more wheel width to fit those ET Streets on them. We'll see what times it runs when I am done. I have my guesses, but people wouldn't believe that either. I will not be telling specifics at this time.

BTW, this project is already 6 months in.

I am humored by the reactions.
Dude, I've got faith in ya. I saw what you did with the 4 banger, I can only imagine what you've got in the works on this one. I'm guessing 7 sec ETs?

Where are you located in Houston?... I'd kinda like to see this beast on of these days.
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Old 07-04-2008, 02:26 AM   #31
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Dude, I've got faith in ya. I saw what you did with the 4 banger, I can only imagine what you've got in the works on this one. I'm guessing 7 sec ETs?

Where are you located in Houston?... I'd kinda like to see this beast on of these days.
Bryce is coming down in about 3 weeks to take a look at all the chrome moly tubing work (not just a cage). Along with the motor/trans/rear end in the car. We'll have to snap a couple of pics. The motor bolts directly to the cage via front/mid motor plates instead of motor mounts. When you need that, you know you are making serious power.

Everyone, keep in mind I am keeping this car in street trim. Power Windows, Power Locks, Keyless Entry, Convertible Top, Power Mirrors, All Lights still work. Low boost on the street (still good for low-mid 8 second passes).

When I start turning the boost up, leaving on transbrake I should see some high-6 second passes.

I'm not actually in Houston, I live closer to the coast
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Old 07-04-2008, 03:35 AM   #32
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It really sounds like an intense project. I haven't quite wrapped my head around those tire sizes in this car, at least without flares or rolling. Also, are you getting made-to-order 4x100 wheels, or does someone make a wheel that size? I'm assuming 11in or better? What size do you want in the front?
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Old 07-04-2008, 10:05 AM   #33
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How the **** are you going to fit those tires? Your going to have to do a rear tube setup! I could not fit a 24.5" Mickey Thompson slick on my 1990 Miata without having serious rubbing issues.

I had 500hp and it was not even usable on the street!!!
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Old 07-04-2008, 11:09 AM   #34
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How the **** are you going to fit those tires? Your going to have to do a rear tube setup! I could not fit a 24.5" Mickey Thompson slick on my 1990 Miata without having serious rubbing issues.
He did.

Mike, are you going with 2 turbos?

Regards,

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Old 07-04-2008, 11:32 AM   #35
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Originally Posted by mikef85 View Post
I am humored by the reactions.
Those who doubt are either n00bs or don't remember your old car..
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Old 07-04-2008, 12:19 PM   #36
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He did.

Mike, are you going with 2 turbos?

Regards,

Rafa
Just one....but it's bigger then bryce's chest.....
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Old 07-04-2008, 12:21 PM   #37
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It really sounds like an intense project. I haven't quite wrapped my head around those tire sizes in this car, at least without flares or rolling. Also, are you getting made-to-order 4x100 wheels, or does someone make a wheel that size? I'm assuming 11in or better? What size do you want in the front?
Think outside the box. I'm actually probably going to be using 15X12's.
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Old 07-04-2008, 12:31 PM   #38
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Quote:
Originally Posted by mkulak View Post
How the **** are you going to fit those tires? Your going to have to do a rear tube setup! I could not fit a 24.5" Mickey Thompson slick on my 1990 Miata without having serious rubbing issues.

I had 500hp and it was not even usable on the street!!!
You're getting hot.

I had traction problems at that power level also...but the miata suspension sucks for straight line acceleration, no weight transfer. But, this setup will transfer weight much better.
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Old 07-04-2008, 05:25 PM   #39
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Quote:
Originally Posted by chance91 View Post
It really sounds like an intense project. I haven't quite wrapped my head around those tire sizes in this car, at least without flares or rolling. Also, are you getting made-to-order 4x100 wheels, or does someone make a wheel that size? I'm assuming 11in or better? What size do you want in the front?
I highly doubt he is still using the stock uprights... I'd be surprised if he still has a 4x100 pattern.
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Old 07-05-2008, 01:51 AM   #40
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I are suxxors. Yea, there's no miata diff in the world that can handle 1500hp. Probably going solid axle since its a drag car. I was thinking CTS or the older Cobra IRS would be cool, but as we have all noted, he's researched 100x more than the lot of us combined at the moment. Plenty of learning going on though. I guess I'd rather wait and see what unfolds. And we should have figured he'd tub the rear, for the sizes he wants. Anyway, this got me thinking of a project someone put up on another site, with a few other added complications, including taking a mid engine car and making it front engine. THIS is a guy you should talk to.. hah. I would imagine when he asked about those tires he got similar responses on the fiero forums... 'Monster' fiero even more scary, that think drinks from the bottle too. but its no 1500hp turbo miata.
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