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Old 02-11-2014, 08:56 PM   #1
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Default Lord, I Don't Have Time for This

Hey guys, I've struggled in my noobishness. Sorry, lol, I know some of you Miataturbo Elder's will have a fit, but I'm gonna just ask some questions cause I have too much homework to do, and not enough Google search ability.

1. If I'm going to go with a turbo for my '99 Miata, at what lb or hp shall I swap the transmission: what is the best transmission to swap to for a dynamic 250whp to 400whp (throwing the maximum hp my asinine *** would boost to, lol.)

2. Would it possibly be better (yes, lol, I know I sound like an utter teenager) to just do an engine swap? 2jz, lol?
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Old 02-11-2014, 08:58 PM   #2
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2jz, lol?

Yeah sure go for that.
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Old 02-11-2014, 09:52 PM   #3
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OMG, you make a stupid noob post and then ask about a 2JZ? Go away.
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Old 02-11-2014, 10:26 PM   #4
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On a 1 to 10 scale rate your skill level on the following:
1. Mechanical ability
2. Fabrication skills
3. Electrical

I'm sure there are others who can help complete this questionnaire.
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Old 02-12-2014, 12:20 AM   #5
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Quote:
Originally Posted by Kalevala View Post
1. If I'm going to go with a turbo for my '99 Miata, at what lb or hp shall I swap the transmission
249.5 HP.


Quote:
Originally Posted by Kalevala View Post
what is the best transmission to swap to for a dynamic 250whp to 400whp
For 249.6-300 HP, any 6 speed from an NB chassis. Some people believe that the 6 speed from the '04-'05 Mazdaspeed Miata is uniquely robust, due to some magical treatment applied to the innards.

Beyond 300 HP, nothing made by Mazda will last forever. This is the point at which people start experimenting with exotic T5 swaps and whatnot. There are relatively few people actually operating BP engines at this power level.



Quote:
Originally Posted by Kalevala View Post
2. Would it possibly be better (yes, lol, I know I sound like an utter teenager) to just do an engine swap? 2jz, lol?
The Chevrolet LS swaps continue to gain a small but growing fandom.

I can't imagine wanting to expend the money and effort to transplant something as mundane as a JZ-series inline 6 into a Miata, given the ready availability of vastly superior alternatives.

That said, if you haven't yet taken the opportunity to drive a 250 HP Miata, I'd advise you to do so. If one is coming from a background of large, heavy cars (Supra, Imprezza, Corvette, 350Z, 911, etc) it is difficult to really appreciate just how fast 250 HP can be in a 2,200 lb chassis.

Last edited by Joe Perez; 02-12-2014 at 12:40 AM.
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Old 02-12-2014, 12:34 AM   #6
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Originally Posted by Chilicharger665 View Post
OMG, you make a stupid noob post and then ask about a 2JZ? Go away.
You see, it is ineloquent reprobates such as you that continue this train of ignorance. I would appreciate to learn, not to be told by some asocial intelligence such as yourself. I must be taught in some form since google isn't helping, and I am relatively ignorant to what I should search for in the slightest. Screw off, I'm tired of this type of post to every single noob.

Last edited by Kalevala; 02-12-2014 at 12:44 AM.
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Old 02-12-2014, 12:38 AM   #7
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Quote:
Originally Posted by 2manyhobyz View Post
On a 1 to 10 scale rate your skill level on the following:
1. Mechanical ability
2. Fabrication skills
3. Electrical

I'm sure there are others who can help complete this questionnaire.
Thanks.
1. 6 - I've rebuilt a Karmann Ghia.
2. 3
4. 6 - Crappy Volkswagen wiring harness, lol.
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Old 02-12-2014, 12:42 AM   #8
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Quote:
Originally Posted by Joe Perez View Post
249.5 HP.


For 249.6-300 HP, any 6 speed from an NB chassis. Some people believe that the 6 speed from the '04-'05 Mazdaspeed Miata is uniquely robust, due to some magical treatment applied to the innards.

Beyond 300 HP, nothing made by Mazda will last forever. This is the point at which people start experimenting with exotic T5 swaps and whatnot. There are relatively few people actually operating BP engines at this power level.



The Chevrolet LS swaps continue to gain a small but growing fandom.

I can't imagine wanting to expend the money and effort to transplant something as mundane as a JZ-series inline 6 into a Miata, given the ready availability of vastly superior alternatives.

That said, if you haven't yet taken the opportunity to drive a 250 HP Miata, I'd advise you to do so. If one is coming from a background of large, heavy cars (Supra, Imprezza, Corvette, 350Z, 911, etc) it is difficult to really appreciate just how fast 250 HP can be in a 2,200 lb chassis.
Thank you very much for expounding. I have some simple minded aspirations sometimes, lol. The fastest miata I've been in was a 8psi Voodoo I miata on a track called Hallet. I just wanted a bit more power than that, lol, but now I get where this is coming from, lol. Thanks, again.
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Old 02-12-2014, 12:44 AM   #9
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Originally Posted by Kalevala View Post
1. 6 - I've rebuilt a Karmann Ghia.
Sexiest car ever made.

I'm not being sarcastic.

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Old 02-12-2014, 12:47 AM   #10
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Sexiest car ever made.

I'm not being sarcastic.

Lol, totally agreed. Check back on my first post, there are pictures of it there. It's orange
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Old 02-12-2014, 12:55 AM   #11
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I would seriously take a clean, early 70s (IRS, but not L-jet) Karmann Ghia cabrio over a Lamborghini Muira any day.
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Old 02-12-2014, 12:59 AM   #12
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coupe was better
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Old 02-12-2014, 01:03 AM   #13
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coupe was better
I'm actually fine with any seventies Ghia. I've never cared for sixties.
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Old 02-12-2014, 05:44 AM   #14
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Search the forum. Read what you find. Come back with questions based on that research. You'll be pleasantly surprised by the help you'll get after doing that initial work yourself.
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Old 02-13-2014, 10:50 AM   #15
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Quote:
Originally Posted by Kalevala View Post
The fastest miata I've been in was a 8psi Voodoo I miata on a track called Hallet.
Yes, we know of Hallett.

8psi Voodoo 1 will get you about 165-170whp on the 2554. Yeah, I would want more than that, too. At about 220whp you can run down C5Z06 cars on stock form, stock C6 vettes, and easily any of the stock GT Mustangs prior to the Coyote engine. At 250whp the pickings are even better. But around 250whp and up you need to consider forged connecting rods inside your engine for longevity.

Or you could pipe dream about boat anchor 2jizzies. Don't even consider that unless you are a serious enough fabricator to own and be proficient with a 220v welder. You might find that the reason the road less traveled is less traveled is because it is a dead end.
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Old 02-13-2014, 10:58 AM   #16
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Originally Posted by sixshooter View Post
Yes, we know of Hallett.

8psi Voodoo 1 will get you about 165-170whp on the 2554. Yeah, I would want more than that, too. At about 220whp you can run down C5Z06 cars on stock form, stock C6 vettes, and easily any of the stock GT Mustangs prior to the Coyote engine. At 250whp the pickings are even better. But around 250whp and up you need to consider forged connecting rods inside your engine for longevity.

Or you could pipe dream about boat anchor 2jizzies. Don't even consider that unless you are a serious enough fabricator to own and be proficient with a 220v welder. You might find that the reason the road less traveled is less traveled is because it is a dead end.
Alright, thank you, man. I know where to get some good forged rods, so I'm good on that account. And how well does a stock 5spd hold up to that much power. Sorry, every single person gives a different answer for that, lol. 250whp, 300whp, "at 200whp plus, it gets sketchy"
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Old 02-13-2014, 11:02 AM   #17
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I like that the OP doesn't have time for his own project, but the rest of us do.
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Old 02-13-2014, 11:05 AM   #18
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So you have no time to search. But you have time to argue why and you have the time to do a 2jz swap...

Come on man.
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Old 02-13-2014, 11:05 AM   #19
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I guarantee you I can explode the 5 speed on a stock 1.6 if I tried to.

Also, I never broke a stock 5 speed running 260-290rwhp (~235wtorques) for many years. I have mechanical empathy when it comes to my driveline.
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Old 02-13-2014, 11:12 AM   #20
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WRT drivetrain longevity, mechanical sympathy is a real thing.

Imagine two Miatas, both with 249.6 hp and both with their factory 5-speeds with the same amount of wear and tear.

Car one is owned by a 30-year-old father of two, who rarely gives it the beans from a dead stop, uses a sprung organic clutch and drives like he wants to hang onto the car a good while.

Car two is owned by a teenager with a Monster drink in his hand and a straight-brimmed hat on his head. He routinely challenges others to race, clutch kicks every roundabout, and runs a solid 6-puck clutch.

Same power level, same trans, but it's obvious one should last longer than the other.

EDIT - Tim beat me to empathy/sympathy concept.
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