04-25-2010, 09:48 PM
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CC Member
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Join Date: Jun 2005
Location: Belleville, 15 miles East of St Louis MO,
IL
Cobra Make, Engine: Classic 427, I purchased it May 2005, the kit was bought in 1991. I'm not sure when it was completed! Installed GMPP Connect & Cruise 376/525 with T-56 S/M 3.55 gears about 2 years ago! 1/4 miles is with old setup!
Posts: 281
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I made gaskets out of some copper stock (.035-.040") I had. I used 2 per side and coated all surfaces with copper RTV. I also use self-locking nuts and made the rear mount floating so the pipes could expand and contract! So far so good!
I have a 383 SBC, I have made a deal for a 550+hp 383, AFR heads and solid roller cam! There's no way the current headers and pipes will support this motor! The flanges at the head and the collector are a joke, I would guess at the collector the ID is 1.25" or less!
I'm working on plans to make my own setup using 1.75 tube and 3" collector block hugger headers. The headers I'm looking at has the collector centered on the heads and pointing almost straight down. A 90* turn after the collector headed to the side and then a 90* headed to the rear, all in 3" Pipe. Then a long 3" ID Cherry Bomb muffler and turn-outs! Welded-up cleaned-up and coated I think it will look pretty good, sound and run great?
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Al
I want to do right, Just not right NOW!
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