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Throttle Body - Port and Polish??

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Old Sep 22, 2006 | 10:11 PM
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Default Throttle Body - Port and Polish??

What can be expected from having the stock throttle body port and polished? Is it even worth it from a performance perspective?

Is it something that has to be sent out to do or can I do it myself?

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Old Sep 22, 2006 | 10:20 PM
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A few hp and the biggest thing I noticed was a crisper throttle response. I sent mine to Mark Shaner.
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Old Sep 22, 2006 | 10:24 PM
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Originally Posted by vettenuts
A few hp and the biggest thing I noticed was a crisper throttle response. I sent mine to Mark Shaner.
Do you have a web address or contact info for Mark Shaner? Approximately what was the cost?

Thanks,
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Old Sep 22, 2006 | 10:36 PM
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Originally Posted by USRobo
Do you have a web address or contact info for Mark Shaner? Approximately what was the cost?

Thanks,
Sent the link in pm for the forum ****'s.
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Old Sep 22, 2006 | 11:53 PM
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http://forums.corvetteforum.com/show....php?t=1498753
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Old Sep 23, 2006 | 09:54 AM
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Thanks for the info. Any other experiences with performing this mod?

It seems like a good mod at a reasonable price. I'm surprised that when I searched I didn't find more info on it.

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Old Sep 23, 2006 | 10:55 AM
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Originally Posted by USRobo
Thanks for the info. Any other experiences with performing this mod?

It seems like a good mod at a reasonable price. I'm surprised that when I searched I didn't find more info on it.


Take a look at www.LS1tech.com and perform a search on "ported throttle". Also, do a search on this forum on "ported throttle", search titles only, current and archive, and C5 Corvettes 1997-2004. Be prepared to do a lot of reading.
Ed

Last edited by C5XTASY; Sep 23, 2006 at 11:21 AM.
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Old Sep 26, 2006 | 12:09 AM
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Originally Posted by C5XTASY
Take a look at www.LS1tech.com and perform a search on "ported throttle". Also, do a search on this forum on "ported throttle", search titles only, current and archive, and C5 Corvettes 1997-2004. Be prepared to do a lot of reading.
Ed
Is this something I can do myself or have a vendor do it? If so where is a good "How to" explaining how to do it.

If a vendor who is good at doing this for Corvettes?

On the LS1tech forum a lot of people use Bo White, not sure if he does Corvette Throttle bodies.

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Old Sep 26, 2006 | 08:15 AM
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Having my Shaner installed this afternoon. It should be interesting. Need to see if idle changes and may get a dyno run, after a few days of driving, to make sure A/F is still dead on. I haven't had it dynoed since before I had the Yank installed and I'm curious as to what I'm running now.
Ed
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Old Sep 26, 2006 | 10:13 AM
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From everything that I have read it sounds like a good mod.

Are there any instructions/links on how to remove the Throttle Body on the C5 Corvette?

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Old Sep 26, 2006 | 12:42 PM
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http://ls1howto.com/index.php?article=5

Stop before you get to the intake manifold. I'd tell you how to do it but haven't got around it putting on the parts yet.
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Old Nov 3, 2006 | 07:48 PM
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Very good mod. You should pick up like 10 flywheel Hp or so.
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