323 Turbo inlet manifold - Miata Turbo Forum - Boost cars, acquire cats.

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Old 10-07-2008, 12:51 PM   #1
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Default 323 Turbo inlet manifold

Hi all

Would this have any benefit for a 1990 Greddy turbo or is it similar to stock miata inlet manifold for the year.


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Old 10-08-2008, 02:15 AM   #2
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Err... short answer, stay away.

I'm unsure if this thing could be made to fit or not. If it is the manifold from a B6T Familia, it might fit the B6 in your car.... if it is from a BPT, no chance.

Either way, it would be a pretty big pain in the *** to do. Check out where the throttle body is pointing... right over the top of the engine. Not exactly the direction you want to go on a miata. Then there is the different vacuum lines, coolant lines, throttle cable, idle control etc... it might be possible, but it would be a massive pain in the *** to get working right.

Now, assuming you were some master fabricator and engine guru who could get this thing modified to work and hooked up (and if it even fit in the engine bay) what do you expect to get from it? The runners look a bit longer so you might get some small low rpm gains, and it does say TURBO in big red lettering... but I can't see it making any noticeable performance difference. Certainly not once you dealt with the air plumbing problems.

The seller is an idiot or lying. This is not an essential part for building an MX5 turbo.

If you want to improve your Greddy, start with an Intercooler, a Megasquirt, injectors, etc.
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