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Interest in Big Bore Throttle Body for 1.8?

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Old 08-02-2011, 02:34 PM
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Default Interest in Big Bore Throttle Body for 1.8?

Hi Folks,

Got interest in a big bore throttle body for 1.8 application? Fitment 94-2005?

Don't know price and date yet....but let's assume comparable with nice billet units sold for other cars and say the roughly $269.

To express your interest please see this thread LINK

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Old 08-02-2011, 02:37 PM
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Quarstions:

1. What's the advantage over the stock throttle body?

2. At what power level does the stock throttle body become restrictive?

3. Would a big bore throttle body hold any advantage for a car under that power level?
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Old 08-02-2011, 03:06 PM
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I've seen the 70mm 4.7L Mustang throttle body coupled to the BEGI IM with great results, the problem is the clockspring is weak as crap due to the design of the mustang linkage.

That price point might scare people away, but if the stock idle valve and TPS bolts to it, then I think it's fairly desireable.
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Old 08-02-2011, 03:10 PM
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Bolt up with stock Miata manifold, TPS, and IAC?
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Buy an MSPNP Pro, you'll feel better.
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Old 08-02-2011, 03:21 PM
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Yeah, how many mm?

And yes, idle speed controller compatible?
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Old 08-02-2011, 03:49 PM
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Originally Posted by Ben
Bolt up with stock Miata manifold, TPS, and IAC?
what ben sez.
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Old 08-02-2011, 04:04 PM
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Throttle shaft super-strong to alleviate the broken shaft issue?
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Old 08-02-2011, 09:39 PM
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Originally Posted by webby459
Throttle shaft super-strong to alleviate the broken shaft issue?
I solved this by tying a popsicle stick to the shaft with some string.
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Old 08-03-2011, 01:21 PM
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Originally Posted by webby459
Throttle shaft super-strong to alleviate the broken shaft issue?
YES, part of the motivation is to cure this issue.
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Old 08-03-2011, 01:21 PM
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Originally Posted by Ben
Bolt up with stock Miata manifold, TPS, and IAC?
Yes...
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Old 08-03-2011, 01:27 PM
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Originally Posted by Good-Win Racing LLC
Yes...
Answer: Do want.
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Originally Posted by concealer404
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Old 08-03-2011, 01:55 PM
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yeah, I think you'll have a winner then Brian.
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Old 08-04-2011, 07:47 AM
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What diameter ? Stock square top euro im is 65 mm ID in the neck. VTCS and VICS probably less.
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