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Joined: Apr 2004
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Check out this intake. Listed as fitting the 250-292 Chevy but I think it fits the Pontiac OHC by the looks of it. http://www.ebay.com/itm/CUSTOM-VINTAGE-C...016.m2518.l4276Never seen anything like it. On second thought. The bolt pattern does look like Chevy. Bet the fuel distribution is bad with the different height of runner holes.
Last edited by tlowe #1716; 04/13/15 08:52 PM.
Inliner Member 1716 65 Chevelle Wagon and 41 Hudson Pickup Information and parts www.12bolt.com
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Joined: Apr 2003
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Bet the fuel distribution is bad with the different height of runner holes.
Bet the designer never saw a lump in their life. The design appears to provide each inlet port with a runner fed from the floor and one runner fed from the roof. With stock siamese intake ports each inlet therefore has access to a rich and lean runner. As the hot spot warms it all up I but the wet-runner/dry-runner effect is dissipated . . . I like the ingenuity . . . one of kind.
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Joined: Sep 2004
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I like it!
Dual plane. Good for torque.
MBHD
12 port SDS EFI 
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Joined: May 2009
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Now that is cool. I'd like to build stuff like this and I will. Need a heavier torch for my TIG first...
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Joined: Aug 2014
Posts: 821
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Now that is cool. I'd like to build stuff like this and I will. Need a heavier torch for my TIG first... I think for this one you need some casting sand, a high temp furnace, a wood core, a ladle... This one is a bit beyond a tig welder. Very cool piece! Wonder how it performs.
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Joined: Jan 2015
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So who's gonna buy it and find out how it performs? lol Looked like a good turbo manifold to me. lol
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Joined: Aug 2014
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Well if someone donates $750 to me I'll cover the rest and put it on my car. I'll even dyno it vs the Offy I have now.
Any takers?
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Joined: Aug 2012
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Sorry to ask such a stupid question but.......how the hell do you keep from getting an exhaust leak in the center with this manifold? There doesn't look to be enough surface for the clamps to hold the center runner in place.
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Joined: Jul 2000
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I talked with a Guy Some yrs ago And he had the Molds But at that time had No interest in selling it Or them.
Larry/Twisted6 [oooooo]  Adding CFM adds boost  God doesn't like ugly.
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Joined: Aug 2014
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Sorry to ask such a stupid question but.......how the hell do you keep from getting an exhaust leak in the center with this manifold? There doesn't look to be enough surface for the clamps to hold the center runner in place. There isnt. I can't imagine it'll hold without a ton of RTV.
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Joined: Aug 2014
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I talked with a Guy Some yrs ago And he had the Molds But at that time had No interest in selling it Or them. did it perform well? Do you know?
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Joined: Jul 2000
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All I can remember is his said it felt better But never got to do any real testing on it. They just lost all interest in the build. And thought maybe?? one get back to it. But if this is the same one, Then I'm guessing they never got the interest back. Or just went the Same O vthing route.
I'm not sure if I even have the Photo's of all the molds and all. I know he has a Boat Load Of time & money in it.
Larry/Twisted6 [oooooo] Adding CFM adds boost God doesn't like ugly.
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