~400whp
Hi guys! I'm new here and would be delighted if you guys could help me out with my 400whp goal.
I drive a 91 na6. After searching on this forum, I found out that my goal can only be met with swapping a 1.8 and turbo charge it with one of those turbo kits in the market (correct me if i am wrong..). And I can't afford a v8 swap atm. I am interested in the FMIIR kits, the hp gain seems so promising. So, what are your opinion and suggestions to my problem? Thanks in advance. |
400whp you need to completely replace drivetrain, build the motor, and run a lot of boost. I estimate 8k at least.
If I was you I'd get arttech or absurdflow hotside parts,BW EFR turbo, build a motor with VVT, get XIDA CS, FM clutch, Reroute, maybe WI, and a rollbar. There is a reason no one here runs 400whp (see failflora build thread). These motors can't handle that much power for very long. You'd be surprised how fast a 250whp miata is...and you won't be breaking 6 speeds. |
It can also be done on a 1.6. You can achieve the same results on a 1.8 with lower boost settings and better spool.
On the 1.6, you need a big turbo (genuine Garrett 3076 or similar flowing turbo), header manifold, properly sized intercooler, cams, standalone ECU. I've tuned one and got 327 crank hp / 248 tq at 14psi and 407 crank hp / 340 crank tq at 26psi. |
thanks a lot for the replies guys. I will look into it.
Is it worth it to swap a 1.8 then turbo charge it or just use the existing 1.6? I apologize for my stupid questions, I just bought my miata and fell in love with it instantly haha. |
Am I wrong in saying that if you can't afford a V8 swap, you can't afford 4 cylinder 400hp? Assuming you do all the installation work yourself on both, buy a used V8, and replace the transmission and diff on the 4 cylinder scenario just like the v8 swap. Don't think it can be, if it can, it'll be very close.
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Why is 400whp your goal? Did you ever ride in a miata that makes 300whp? Hell, mine makes 200whp and it's respectively fast, 300whp is really fast. I'm talking fast as in, LS1 cars and new mustang 5.0's have a hard time competing with it.
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(Sent from phone via capitalism)
Built 1.8 with vvt. Everythiing else one off custom designed for power and flow |
400 whp is slow.
Speed is relative, however, it's slow in my eyes. |
1000whp is slow. Everything is slow.
Honestly I don't even know how people can bear driving anything under 2500whp. And even that's only on a daily driver. |
If you can't afford an SBC swap, you can't afford a 400whp turbo set-up.
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Originally Posted by glensmith
(Post 801987)
thanks a lot for the replies guys. I will look into it.
Is it worth it to swap a 1.8 then turbo charge it or just use the existing 1.6? I apologize for my stupid questions, I just bought my miata and fell in love with it instantly haha. |
that's actually quite true. If your "budget" is under about 10k you should stop wasting peoples time
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I see mad drifting in the future.
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400 ponies!, not without flame suit.
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Where are you getting this power goal from?
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What you really need is a motec exhaust, and direct port nitrous injection.
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2 big ones, right up the ass
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Originally Posted by dustinb
(Post 802100)
I see mad drifting in the future.
OP, while you are busy pulling numbers like 400WHP out of your ass, you might as well dig for another $8-10K while you are at it. When you have that come back and we will help you spend it and you WILL have your goal of 400 WHP. |
Originally Posted by glensmith
(Post 801987)
thanks a lot for the replies guys. I will look into it.
http://i284.photobucket.com/albums/l.../2dbjbli-1.gif |
Originally Posted by 18psi
(Post 802020)
1000whp is slow. Everything is slow.
Honestly I don't even know how people can bear driving anything under 2500whp. And even that's only on a daily driver. Agreed. |
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