Dimpling headers - Team Camaro Tech
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post #1 of 7 (permalink) Old Apr 6th, 04, 05:17 PM Thread Starter
Join Date: Apr 2004
Location: Hillsboro, Oregon
Posts: 28

What's the best way to dimple header tubes to fit around the power steering gear box in a 68 Camaro? I have Jet Hot coated Hedman shorty headers with 1 5/8" primaries.
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post #2 of 7 (permalink) Old Apr 6th, 04, 06:14 PM
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If you know exactly where the dimple needs to be and the headers are out of the car, lay a piece of water pipe or a large socket across the header and wack it a good one with a big hammer. That will give you a nice smooth divot in the header, not a pipe that looks like crapola.

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post #3 of 7 (permalink) Old Apr 7th, 04, 02:55 AM
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Location: Waldorf Md. USA
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I dont know if the headers are new or not, but my feeling has always been if they dont fit, send them back and get a set that does. That is the only way the header manufacturers are going to get the message that they need to make the things right. Ill be darn if I would ever pay good money for a set of headers, I bet they were easy $400, and then beat on them with a hammer or anything else
Just my opinion,

Bill Koustenis
Advanced Automotive Machine
Waldorf Md
1971 Chevelle "Heavy Chevy" original owner

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post #4 of 7 (permalink) Old Apr 7th, 04, 08:00 AM
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Ah headman. They say that they will clear but they don't.
I took a ballpin(?) hammer and covered the headers with a doubled up rag and started beating the hell out of them. The pipes are pretty thick so it will take some heavy hits. The good thing is that the “coating” didn’t flake as bad as I thought it would. Or you can send them back and get hooker long tubes – these will clear (so I have been told).
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post #5 of 7 (permalink) Old Apr 8th, 04, 03:00 PM
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I had to do this on a set of Hookers that I have. Not terribly fun. One thing that I did that I think helped was to heat the area up with a propane torch prior to beating with a hammer. I too used a sturdy piece of pipe to create the dimple, it actually works pretty well. It is really frustrating when you have to do this to a brand new set of headers, especially when you pay such good money for them in the first place. My headers had the ceramic coating that I was afraid I would hurt, but that stuff is tough, stayed bonded and is still intact today.


69 SS, ZZ430 Look-alike, Tremec TKO, Hotchkis Suspension
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post #6 of 7 (permalink) Old Apr 9th, 04, 02:43 AM
Join Date: Apr 2004
Location: Arkansas
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I guess I will be getting the hammer out soon! I have these same headers to be installed with a ZZ4 350 in my 69. My question is, Hedman said they will not waranty the coating during break-in of a new engine. Should I expect some major discoloration if I don't break the engine in first.
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post #7 of 7 (permalink) Old Apr 11th, 04, 09:34 AM
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I dont buy headers coated any more. I buy uncoated headers and test fit them first. Then use the pipe / socket trick with a torch. If I have a problem with the bolts going in I put a screwdriver between the head of the bolt and header pipe and make a little clearance. Then I test fit them again and have them ceramic coated.

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