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Old 12-07-2011, 12:05 AM   #21
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If you can't afford an ls swap, you can't afford a 400whp turbo setup. The price tag for a setup like that is around 15-18k. Sorry.
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Old 12-07-2011, 01:20 AM   #22
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I don't think the OP has ever been in even a 200whp miata.
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Old 12-08-2011, 08:59 PM   #23
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How realible can 400whp miata engine be? And I know anything can be broken to pieces in one go but in general, will it do 55, 5k or 25k before rebuild with proper parts, right minded owner and good service? Just comparing to 944 turbos there wasn't really any 400whp that would stay together long.
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Old 12-08-2011, 09:07 PM   #24
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Seems like if you've got the money for a 400hp miata build, you get the itch for either more power, a v8 swap, etc. We've had a couple that come close to 400 and than get bored and move on. Take Failflora, he might hit 400, but it'll either blow up, he'll get the itch for 500 and blow it up at 500, or he'll be sad he's not working on it anymore and he'll part it out for a 700hp lesbian SUV.
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Old 12-08-2011, 10:11 PM   #25
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Now I cant stop thinking about said SUV. Lets hear more about this.
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Old 12-08-2011, 10:12 PM   #26
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lovin the **** out of my 315whp lesbian suv




But curly is right: there are very few that actually drive the car for tens of thousands of miles with that kinda power. You're either in the sub 300 and drive it for years, or go ***** out and do something ridiculous but not drive it much.
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Old 12-08-2011, 10:16 PM   #27
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Forresters are known lesbian cars, that is all.
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Old 12-08-2011, 11:25 PM   #28
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someone send me a subie map that will get me 300+whp in my OBXT please on the stock turbo and injectors/pump. I'm LAZY damnit! I just want to reflash and glance at my wbo2 to see if it's ok and learning view to see how bad my boostleaks are.

My budget for 500rwhp is $10k before selling the 1.8 stuffs. Its looking undoable even with my jelly connections & making most of the one-off bits myself. $10-15k initially seems like a high number until you spend 5 minutes with Excel and the little sigma button. As you estimate conservatively all the little bits and watch the total, you will quickly say "oh ****". LS swap would be cheapest IMHO.
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Old 12-09-2011, 02:26 AM   #29
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This thread reminds me of the "guages for 400 hp miata" thread few months back lol.
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Old 12-09-2011, 10:44 AM   #30
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even hermione saw this troll.
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Old 12-09-2011, 11:03 AM   #31
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Quote:
Originally Posted by TurboTim View Post
My budget for 500rwhp is $10k before selling the 1.8 stuffs. Its looking undoable even with my jelly connections & making most of the one-off bits myself. $10-15k initially seems like a high number until you spend 5 minutes with Excel and the little sigma button. As you estimate conservatively all the little bits and watch the total, you will quickly say "oh ****". LS swap would be cheapest IMHO.
That estimate actually sounds about right. The only reason that I have not gone with the LS swap is because you have to outlay most of the cash at once, or in a short time period. As opposed to with the turbo route you can spread it out over several years.
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Old 12-09-2011, 11:09 AM   #32
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Ching chang chong!!!
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Old 12-09-2011, 04:15 PM   #33
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How many people here actually have a 400+ whp miata? Anyone have any vids, I cant find any in the media section here or on youtube beside's dyno runs.
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Old 12-09-2011, 05:53 PM   #34
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JayL and HFmx5 both have some decent vids. failflora made a shitty *** vid too when his car had 400 for like 2 weeks.
couple others too that I forget, but not that many.
Everyone else is a poser that talks **** on the internetz claiming 600whp when their car is in pieces.
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Old 12-09-2011, 09:23 PM   #35
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Matt Andrews' old car.
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Old 12-09-2011, 09:28 PM   #36
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jtothawhat has one, but I've never seen a video.
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Old 12-10-2011, 01:15 AM   #37
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What about Jman, how much is his monster?
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Old 12-10-2011, 01:34 AM   #38
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A 400whp NA would be in about he same ball park as a 750whp 03-04 cobra as far as power to weight ratio goes. Try out 250hp and i have a hunch you will be pleased. Soon as you make anything over about 350whp you might as well make 500 because everything thats going to break will have already been broken and replaced. You would have to spend at very least 3000$ just on driveline components to hold up to 400whp reliably.
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Old 12-10-2011, 02:54 AM   #39
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Quote:
Originally Posted by TheDriver View Post
How many people here actually have a 400+ whp miata? Anyone have any vids, I cant find any in the media section here or on youtube beside's dyno runs.
I have one. Other than a few teething pains (erratic fuel pump, ignition set-up issues that were fixed with a new type of plug, broken stock turbo studs), it's been rock solid. I've put about 20K miles on it and am not afraid to drive it across the continent (and have).

Here's a vid of me autocrossing, although it should be noted that I turn the boost down to help eliminate wheelspin.
Nothing on camera of me embarassing much more expensive cars - sorry.

Let me confirm Sav's comment: The budget required to do an engine like this correctly is, shall we say, extensive.
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Old 12-10-2011, 03:25 AM   #40
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Deerhunter, have you ever had that car on a sea level uncorrected dyno?
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