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what is the 04 zo6 throttle body size?

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Old 03-01-2008, 08:53 AM
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Default what is the 04 zo6 throttle body size?

I read in a book it was 85 mm and i found one for sale that states its 75 mm. Just wondering if anyone can answer my question? What size is the stock z06 TB on a 2004 corvette?

Thanks in advance!

Jeff
Old 03-01-2008, 09:39 AM
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The butterfly (choke point) is the same size as an F-bod...around 75mm.
Old 03-01-2008, 01:07 PM
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Thats what i thought but it says in a high performance ls1 book that the corvettes got 85 mm throttle bodys so it had me confused.
Old 03-01-2008, 01:31 PM
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I think it's actualy about 78mm compared to the LS1 75mm but I'm not positive. From what I've read it's not worth buying if you have an LS1 TB; just have yours ported and it will flow a little better.
Old 03-01-2008, 01:34 PM
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I think the Z06 MAF is 85mm but definitely not the throttlebody. I've taken mine off to port and I can tell you it's nowhere near a 90mm TB (I used to have a NW 90mm TB on my T/A). Definitely 75 or 78.



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