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Old 03-12-2006, 10:51 AM   #21
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It is a rather silly idea, in this man's opinion, to swap in another 4-cylinder engine, when the one that comes with the car is fully capable of doubling it's stock horsepower and destroying the tranny and diff., on stock internals.
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Old 03-12-2006, 10:53 AM   #22
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it's his money/time, let him do what he wants.

it's stuff like this that expands the possibilities of the platform.
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Old 03-12-2006, 10:59 AM   #23
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Quote:
Originally Posted by kung fu jesus
it's his money/time, let him do what he wants.

it's stuff like this that expands the possibilities of the platform.
if he has the knowledge and skills to do it, it's pretty clear from the posts that he probably doesn't.
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Old 03-12-2006, 12:15 PM   #24
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Quote:
Originally Posted by medisyn
I find this funny, you are asking about a job that would take massive fab work and you dont want a v8? Are you crazy man? I would rather swap in an LS-1 before a 'puny' H22 or srt-4 motor. Do you not realise that you can easly get 400+whp out of an LS1 N/A and have Much more tourque. There are guys making 400whp and then running a 200shot on top of that. I dont get why people say, "Ya I love 4cyc I dont like 8cyc!" What the hell? They are both motors, do you think somehow an 8cyc is worse than a 4? Its annoying when people dont like "American" and "V8" for almost no reason.
V8 roar > Vtec

When I see posts asking about crazy swaps and sky high HP, I would love to see it happening but 99% of the time its just somebody dreaming.
Ditto. I'm no muscle car guy but making 400hp on pump gas and just as much torque sounds intoxicating to me. Goodluck with your build, hopefully when all is said and done it still runs.
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Old 03-12-2006, 08:26 PM   #25
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if you really want to dump the BP/B6 for another 4cyc there is an sr20 or a s2000 motor. Both swaps have been done before on a miata. They take a crap load of work but at least you can get some info for that on the net.
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Old 03-13-2006, 04:06 AM   #26
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if you wanna stay with a 4 banger go with an sr20det which has been done a couple of times or something i havent seen done an f20 c from an s2000 if youre a honda fan .the s2k stock runs 13.8 gets great gas mileage and the s is about 400 pounds heavier then a miata
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Old 03-13-2006, 04:15 AM   #27
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Thumbs up sr20 in miata sites

http://www.tamparacing.com/forums/ca...a-sale.hthttp: //www.speedworks.com.au/products/MX5/mx5sr20main.htmlml
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Old 03-13-2006, 08:32 AM   #28
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Ok thank's now I know that youd don't like the idea of puting the srt-4 engine in the miata. I've only asked about it because it isn't a very expensive engine. I've seen the sr20det swap before and it looks nice. Does anybody know how much heavier this is from stock?


EDIT:it is 2300lbs. sorry. didn't read carefully.


Thank's
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Old 03-13-2006, 09:28 AM   #29
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I never said I didn't like the SRT-4 engine, I just think it's a waste. For my time and money, I'd be looking at a more interesting swap, like a GM V6, V8 or a Ford V8, or the KLDE Ford/Mazda V6.
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Old 03-13-2006, 02:51 PM   #30
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Quote:
Originally Posted by turbopezz
if you wanna stay with a 4 banger go with an sr20det which has been done a couple of times or something i havent seen done an f20 c from an s2000 if youre a honda fan .the s2k stock runs 13.8 gets great gas mileage and the s is about 400 pounds heavier then a miata

theres an s2k swaped one on m.net some where, the guys said it wasent any faster then his 1.6 on boost ,the only upside was that it doesent get hot like a turbo car during autocross, i would just keep the 1.8 you have, quick question have you ever riden in a 300+hp miata? if you do you might not still think you need 400hp, just my 2cents good luck on the build one way or the other
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Old 03-13-2006, 09:17 PM   #31
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Quote:
Originally Posted by bripab007
or the KLDE Ford/Mazda V6.
KLZE would be even better. FANTASTIC motors.
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Old 03-13-2006, 10:32 PM   #32
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Old 03-13-2006, 10:42 PM   #33
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Yes, but isn't the KL-DE lower compression, working pretty well out-of-the-box with boost? Then again, if I had the time and money to do an engine swap, either engine I put in would get forged internals, so I guess that's a moot point
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Old 03-13-2006, 10:42 PM   #34
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Quote:
Originally Posted by kung fu jesus
Wow, nearly 350whp, not to mention extremely cool that a woman owns the car. My favorite line from her cardomain page is "Im asked about my rack all the time."
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Old 03-14-2006, 10:03 AM   #35
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Last edited by Mex; 03-14-2006 at 11:36 AM.
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Old 03-14-2006, 10:41 PM   #36
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Quote:
Originally Posted by bripab007
Yes, but isn't the KL-DE lower compression, working pretty well out-of-the-box with boost? Then again, if I had the time and money to do an engine swap, either engine I put in would get forged internals, so I guess that's a moot point
Yeah, the KLDE (also called the KL03 in the mx6 world) is lower compression. if you want to build a beast, get yourself a KLDE bottom end, go forged, get yourself some KLZE heads and a KLZE intake manifold (much better flow over the KLDE's). swap over the valve spring retainers from the KLDE heads (the KLZE's had a design flaw that caused them to crack) and you'd have yourself a monster of an engine that would love FI.

There's a guy on mx6.com (Fastest95PGT) that has a stock ZE that makes 317whp/287wtq @ 8.5psi. The car is megasquirted, but other than that, the engine is relatively unmolested. The setup i described above is capable of much more.
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Old 03-14-2006, 10:48 PM   #37
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wow thats really impressive for a ze. i <3 mine in my MX-3, it's a great motor.
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Old 03-14-2006, 11:19 PM   #38
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Quote:
Originally Posted by cburkart
Wow, nearly 350whp, not to mention extremely cool that a woman owns the car. My favorite line from her cardomain page is "Im asked about my rack all the time."
I have hurd of this car and I would like to call bullshit. Another guy in KY happend to run 11 flat (had a built up motor +t2 tranny and rear +slicks.) with video proof and her 1/4 times magicly changed from like high 11's to 10.9. All on stock drivetrain and motor. Hrmm just enough to beat him :gay:
I could be wrong and she is telling the truth...
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Old 03-15-2006, 09:04 PM   #39
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If you really want to swap a motor in. I would do the v8 swap.
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Old 03-16-2006, 04:54 PM   #40
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Quote:
Originally Posted by alljdmralf
quick question have you ever riden in a 300+hp miata? if you do you might not still think you need 400hp, just my 2cents good luck on the build one way or the other
Exactly - Its just a HP numbers game to tout to others. My stock 1.6 at 6 psi can keep up with a hell of a lot of others on the freeways and most of the time not let them get by (when I'm in a mood )
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