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Mod | | | Forums66 Topics128,132 Posts1,056,729 Members48,454 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Sep 2008 Posts: 125 Wrench Fetcher | | Wrench Fetcher Joined: Sep 2008 Posts: 125 | I have speedway tube headers, and a fenton dual intake. I am unsure about the bungs for the heat plate tubes. I think they need to be drilled out in ordser to allow the heat through the tubes. It might be that the heat will make it up anyway. Have you guys drilled these? Should I?
Who is John Galt?
| | | | | Joined: Mar 2005 Posts: 1,513 'Bolter | | 'Bolter Joined: Mar 2005 Posts: 1,513 | If exhaust doesn't flow thru the tubes they won't do anything. I bet they are not drilled in case coolant is used to warm the intake.
1952 1300 Canadian 1/2 ton restomod You Tube | | | | | Joined: Sep 2008 Posts: 125 Wrench Fetcher | | Wrench Fetcher Joined: Sep 2008 Posts: 125 | Yes sir, those are my headers. I already have a heat plate, and everything is threaded, but the headers are not drilled in the center of the threaded bungs. I thought maybe the heat radiated from the header walls, and wanted to check befrore drilling holes.
Who is John Galt?
| | | | | Joined: Mar 2005 Posts: 1,513 'Bolter | | 'Bolter Joined: Mar 2005 Posts: 1,513 | Use a pipe nipple as a drill bushing to protect the threads.
1952 1300 Canadian 1/2 ton restomod You Tube | | |
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