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Old 08-07-2008, 11:00 PM   #1
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Civic engine in miata?

Would it be very difficult to put a civic engine from a '92-'95 civic into a miata? What kind of changes would be needed to be made in order to make this work?
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Old 08-08-2008, 03:01 AM   #2
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It would likely be far easier to get a smaller Mazda B series motor and put that in it, the 1.3 motor in Aspires was one of those.
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Old 08-08-2008, 05:43 AM   #3
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The biggest problem will be fabricating EVERYTHING.

The Miata is rwd... you want to put a fwd engine in it?

Good luck........ I'm glad I'm not you.
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Old 08-08-2008, 08:47 AM   #4
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Quote:
Originally Posted by Project84 View Post
The biggest problem will be fabricating EVERYTHING.

The Miata is rwd... you want to put a fwd engine in it?

Good luck........ I'm glad I'm not you.
At first I thought this would be an issue but considering that they're both Inline 4 cylinder engines, I don't see why this wouldn't work (not considering other factors).
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Old 08-08-2008, 09:33 AM   #5
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I believe honda motors spin the opposite way of most all other manufactures, u might want to look into that before you get to crazy.

here's some random vw info.
http://en.wikipedia.org/wiki/Engine_swap
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Old 08-08-2008, 09:37 AM   #6
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From that wiki:
Honda B engine
Commonly swapped into: Honda Civic, Austin Mini (1959-2001), mid engined kit cars
Not suitable for inline RWD layouts, because engine turns counter clockwise (Chevy Corvair flat six turns the same way).

Chevrolet Corvair engine
Commonly swapped into: VW Type 1, VW Type 2, Karmann Ghia, light aircraft, dune buggies
Turn in opposite directions to most engines, bar those made by Honda.

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Old 08-08-2008, 10:04 AM   #7
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An adapter plate to connect the aspire engine to the miata bell housing sounds like the best solution (I am assuming that the two engines have different bell housings).

If the front suspension allows room/space/ a "tunnel" for CV axles, maybe you could convert it over to front wheel drive by swapping in some FWD spindles and then just use a civic engine/trans combination (if the engine bay is wide enough). This would be a big job and would likely be cheaper to just buy a civic even if you owned the miata to start with.

RWD vehicles with a crankshaft parallel to the side of the car have higher friction losses due to turning the rotational forces at a 90 degree angle to get the power to the wheels.
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Old 08-08-2008, 10:06 AM   #8
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Originally Posted by ************* View Post
Would it be very difficult to put a civic engine from a '92-'95 civic into a miata? What kind of changes would be needed to be made in order to make this work?

What would work would be the 2 liter RWD drive train from the s2000. it would take lots of $$$$ and time. fabrication city, electronics wizardry required.


here is a super high MPG miata at work!
http://www.youtube.com/watch?v=w0kH_...eature=related
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Old 08-08-2008, 12:15 PM   #9
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I didn't think the s2000 was very fuel efficient. relatively speaking of course.
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Old 08-08-2008, 12:40 PM   #10
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2008 S2000 EPA rating: 18/25 (combined 21).
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