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Kirkham Motorsports

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  #1 (permalink)  
Old 12-24-2012, 04:04 PM
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Default sidepipes

Anyone out there know the I.D. of Shelly Valley sidepipes that they use on small blocks.

Thanks
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Old 12-25-2012, 11:53 AM
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Come on it is Christmas.....Someone answer this please
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Old 12-27-2012, 04:44 PM
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Ok... I will find out and tell you guys.
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Old 12-27-2012, 06:19 PM
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Indeed just call Bill and ask.
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Old 12-27-2012, 06:36 PM
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Quote:
Originally Posted by mickmate View Post
Indeed just call Bill and ask.
I will ask Dana, but didn't want to bother him. thought I could get answer here. But I will call tomorrow and ask.... Thanks.
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Old 12-28-2012, 07:15 AM
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I called Shell Valley today. The guy I talked to said 3" but didn't sound to sure of himself. I thought 2 1/4 maybe 2 1/2. Dana was not in so I will call later.
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Old 12-28-2012, 09:27 AM
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Not sure exactly what information you're seeking, but here are measurements from my '92 Shell Valley. Primary pipes are 2" OD. They merge into a collector which is 3.5" OD. The muffler has an OD of 4" and the turnout is 3.5".
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Old 12-28-2012, 10:04 AM
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Quote:
Originally Posted by Dirty Harry View Post
Not sure exactly what information you're seeking, but here are measurements from my '92 Shell Valley. Primary pipes are 2" OD. They merge into a collector which is 3.5" OD. The muffler has an OD of 4" and the turnout is 3.5".
Thanks Dirty,
What I was looking for was ID. of the baffle. And after callind and talking to Dana he said 2 1/8.
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Old 12-28-2012, 10:06 AM
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Now my next question. Is 2 1/8 big enough to flow 425hp?

Thanks guys..
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Old 12-28-2012, 10:34 AM
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I'd say no. Most say you loose 100 HP through the usually restrictive side pipes.
I'm on my second set of Shell Valley side pipes and I'm tired of them developing the baffle rattle. My next set will have 3" classic chambered inserts. Do a search here and there is lots of info on these.
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Old 12-28-2012, 11:01 AM
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Originally Posted by MFE III View Post
I'd say no. Most say you loose 100 HP through the usually restrictive side pipes.
I'm on my second set of Shell Valley side pipes and I'm tired of them developing the baffle rattle. My next set will have 3" classic chambered inserts. Do a search here and there is lots of info on these.
Matt
How long did your first set last? Maybe I will just run them this summer and change them out next winter. They are at the coaters right now.


Thanks for the info.
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Old 12-28-2012, 11:06 AM
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That's too restrictive you would be near 100 HP loss with them.
Classic Chambered Exhaust Inc. - Performance Data
I highly recommend these guys.
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Old 12-28-2012, 11:17 AM
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Quote:
Originally Posted by littlewave View Post
How long did your first set last? Maybe I will just run them this summer and change them out next winter. They are at the coaters right now.


Thanks for the info.
My first set lasted about 5k miles before the baffle broke loose and the second set only got maybe 2k miles before the same problem. When I called Dana, he seemed surprised like this had never happened before. But from reading here and other forums, I know that's not true. I don't want to say they are cheap POS, well I guess I just did.
Mickmate is right on his recommendation!
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Old 12-28-2012, 11:25 AM
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Ok guys. Thanks..
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