build 400 whp project
05-12-2020, 04:15 PM
#1
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build 400 whp project
Hi guys, I recently damaged my engine (Miata 02 SE 1.8 VVT) and I am about to do a new turbo project from scratch, I would like to help me based on your experiences with information on the best setup to build my project near 400 whp. Thank you
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05-12-2020, 04:28 PM
#4
Also, I'd suggest getting a ride in a 300hp miata before you jump to a number goal. I think the sweet spot of fun is at 350whp. Then it's just bonkers and literally terrifying. I was having pucker moments trying to pull logs in 5th gear because bumps would make you lose traction.
If you really want big power, do not take intermediate steps. Go for the correct clutch, the right injectors, the correct intercooler from the start. Buy once, cry once. I spent about 2.5 times more than I needed to in my miata's lifetime to get to where it ended.
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05-12-2020, 04:37 PM
#5
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Yes. This.
Also, I'd suggest getting a ride in a 300hp miata before you jump to a number goal. I think the sweet spot of fun is at 350whp. Then it's just bonkers and literally terrifying. I was having pucker moments trying to pull logs in 5th gear because bumps would make you lose traction.
If you really want big power, do not take intermediate steps. Go for the correct clutch, the right injectors, the correct intercooler from the start. Buy once, cry once. I spent about 2.5 times more than I needed to in my miata's lifetime to get to where it ended.
Also, I'd suggest getting a ride in a 300hp miata before you jump to a number goal. I think the sweet spot of fun is at 350whp. Then it's just bonkers and literally terrifying. I was having pucker moments trying to pull logs in 5th gear because bumps would make you lose traction.
If you really want big power, do not take intermediate steps. Go for the correct clutch, the right injectors, the correct intercooler from the start. Buy once, cry once. I spent about 2.5 times more than I needed to in my miata's lifetime to get to where it ended.
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05-12-2020, 06:21 PM
#6
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I have one of the first EFR builds and am now going on 9 years with it. I overbuilt it to take abuse and its been working reliably. My advice is make sure you know what 400 WHP is like first. My car is stupid crazy to drive and always will be. Good luck.
Last edited by 99mx5; 05-12-2020 at 11:28 PM. Reason: Typo.
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05-12-2020, 11:37 PM
#7
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05-24-2020, 09:46 AM
#8
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OP, I have a 350whp 96 street car that runs on 93 octane pump gas. As some others have said, I think this is the perfect power to cost ratio. 350whp in a Miata is VERY fast. Every time I have thought I wanted to go with a trans and diff swap and up the power to 400+, I go drive the car and I end up leaving it where it is......I am very happy with it. Clutch is super light and You wouldn't know you're not driving a stock Miata until you nail it. The parts alone for a trans and diff swap range but can be $6,000+
For comparison, My "other" car makes 750whp (at 6500) and 800lbft of torque (at 2700). The Miata at 350whp is nearly as entertaining. It is NOT as fast as my other car (not close as the other car runs 115mph in the 1/8 mile on radials), BUT the Miata FEELS close to as fast. Hard to explain.....
Unless you are dead set on the number 400, I'd recommend 350whp as a target. it will be exponentially less expensive to build a 350whp drivetrain that all works together and is still nearly "stock-feeling" in terms of drivability.
Torbomack-. How does your 6MT hold up to the 400+ whp? Seriously asking what the trade off/maintenance is....do you just break them and replace them? Do they hold together? Do you baby them to last xx long? If I did up my power to over 400, I wouldn't be opposed to just replacing a broken trans from time to time....just wouldn't want to be doing it monthly....
For comparison, My "other" car makes 750whp (at 6500) and 800lbft of torque (at 2700). The Miata at 350whp is nearly as entertaining. It is NOT as fast as my other car (not close as the other car runs 115mph in the 1/8 mile on radials), BUT the Miata FEELS close to as fast. Hard to explain.....
Unless you are dead set on the number 400, I'd recommend 350whp as a target. it will be exponentially less expensive to build a 350whp drivetrain that all works together and is still nearly "stock-feeling" in terms of drivability.
Torbomack-. How does your 6MT hold up to the 400+ whp? Seriously asking what the trade off/maintenance is....do you just break them and replace them? Do they hold together? Do you baby them to last xx long? If I did up my power to over 400, I wouldn't be opposed to just replacing a broken trans from time to time....just wouldn't want to be doing it monthly....
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05-25-2020, 11:36 PM
#13
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OP, I have a 350whp 96 street car that runs on 93 octane pump gas. As some others have said, I think this is the perfect power to cost ratio. 350whp in a Miata is VERY fast. Every time I have thought I wanted to go with a trans and diff swap and up the power to 400+, I go drive the car and I end up leaving it where it is......I am very happy with it. Clutch is super light and You wouldn't know you're not driving a stock Miata until you nail it. The parts alone for a trans and diff swap range but can be $6,000+
For comparison, My "other" car makes 750whp (at 6500) and 800lbft of torque (at 2700). The Miata at 350whp is nearly as entertaining. It is NOT as fast as my other car (not close as the other car runs 115mph in the 1/8 mile on radials), BUT the Miata FEELS close to as fast. Hard to explain.....
Unless you are dead set on the number 400, I'd recommend 350whp as a target. it will be exponentially less expensive to build a 350whp drivetrain that all works together and is still nearly "stock-feeling" in terms of drivability.
Torbomack-. How does your 6MT hold up to the 400+ whp? Seriously asking what the trade off/maintenance is....do you just break them and replace them? Do they hold together? Do you baby them to last xx long? If I did up my power to over 400, I wouldn't be opposed to just replacing a broken trans from time to time....just wouldn't want to be doing it monthly....
For comparison, My "other" car makes 750whp (at 6500) and 800lbft of torque (at 2700). The Miata at 350whp is nearly as entertaining. It is NOT as fast as my other car (not close as the other car runs 115mph in the 1/8 mile on radials), BUT the Miata FEELS close to as fast. Hard to explain.....
Unless you are dead set on the number 400, I'd recommend 350whp as a target. it will be exponentially less expensive to build a 350whp drivetrain that all works together and is still nearly "stock-feeling" in terms of drivability.
Torbomack-. How does your 6MT hold up to the 400+ whp? Seriously asking what the trade off/maintenance is....do you just break them and replace them? Do they hold together? Do you baby them to last xx long? If I did up my power to over 400, I wouldn't be opposed to just replacing a broken trans from time to time....just wouldn't want to be doing it monthly....
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05-28-2020, 05:11 PM
#20
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https://www.miataturbo.net/build-thr...y-3-0-a-95297/
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