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Old 12-17-2019, 06:00 PM
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Default miata motor swap

hello,

im new to the miata community and i just bought a 97 na miata. the last owner has blown the motor and i want to swap it with a 1.8l and i’m wondering if it would work with my shell?
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Old 12-17-2019, 06:11 PM
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Yes. BPZE
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Old 12-17-2019, 06:44 PM
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Originally Posted by Erat
Yes. BPZE
is there any thing i need to change to the shell or is it a direct fit? would the 1.6l parts fit on the 1.8l motor like radiator, intake manifold, and exhaust?
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Old 12-17-2019, 07:02 PM
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I'm confused.
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Old 12-17-2019, 07:12 PM
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Originally Posted by Tyler Sisavatdy
is there any thing i need to change to the shell or is it a direct fit? would the 1.6l parts fit on the 1.8l motor like radiator, intake manifold, and exhaust?
So, as luck would have it, you already had a 1.8 in the car, unless somebody swapped it for a 1.6 (?). So the 1st version 1.8 that was noted in the post above will be a direct swap, even an emaculate swap!
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Old 12-17-2019, 07:18 PM
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Originally Posted by tomrev
So, as luck would have it, you already had a 1.8 in the car, unless somebody swapped it for a 1.6 (?).
Outside of 'merica and Australia the Roadster/Miata/MX5 was available with a B6 all the way up to the release of the NC.

So depending on where OP lives, it may be a factory 1.6, despite being a 97.

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Old 12-17-2019, 08:35 PM
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Originally Posted by hks_kansei
Outside of 'merica and Australia the Roadster/Miata/MX5 was available with a B6 all the way up to the release of the NC.

So depending on where OP lives, it may be a factory 1.6, despite being a 97.
His country of residence is listed as US......
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Old 12-17-2019, 08:50 PM
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Originally Posted by SpartanSV
His country of residence is listed as US......
ah, my bad.

Didnt see a "location" show up below his username on the post.
And didnt realise there was a separate field for nationality in the full user profile (which I didnt open)

In that case, OP looks like another kid who needs to do 5mins of googling.
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Old 12-17-2019, 10:56 PM
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So your question is basically, can I swap in exactly the same 1.8L motor that I have and will it work? And you seriously dont have the answer?
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Old 12-17-2019, 11:40 PM
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Originally Posted by concealer404
I'm confused.
my miata came with a 1.6l and i want swap it with a 1.8l and i wondering if it’s compatible with my na shell
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Old 12-18-2019, 12:03 AM
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We're all pretty confident that you have a 1.8 already in your car, so swapping in any other NA 1.8 is easy...Unless the PO went and installed a 1.6 for whatever reason...Or you're car isn't a US spec car... Care to take a picture of your engine bay (in particular the rear of the head)?
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Old 12-18-2019, 06:46 AM
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We have reason to be confused.
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Old 12-18-2019, 08:40 AM
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Lets use logic!

The 1.8 miata engine was available from the factory in the NA body. So to answer the OP's question will "it would work with my shell" or "if it’s compatible with my na shell" then

Yes, yes it is.
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Old 12-18-2019, 08:41 AM
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Looks like Tyler is a young dude, who posts a few things on the net. All of which looks like it comes from the US. Now we are further confused with the engine you think you have. perhaps it was shipped here by a fmily member from another country?

The internet is a interesting tool.
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Old 12-18-2019, 08:46 AM
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Post a picture of the engine.
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Old 12-18-2019, 09:40 AM
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Post picture of girlfriend and we will decide if you are worthy of help.
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Old 12-18-2019, 10:17 AM
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Ope my bad i just found it is a 1.8l in my 97.
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Old 12-18-2019, 10:24 AM
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I saw a 01 1.8l motor on the facebook marketplace and i was wondering if it would work with my shell.
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Old 12-18-2019, 10:34 AM
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Nope, it definitely will not. Not possible.
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Old 12-18-2019, 10:37 AM
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a 7.0L is the only motor that'll fit in the 97. It's a unique chassis.
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