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Apr 9, 2003 | 03:44 PM

flatliner

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From: Blackville, SC, USA

Headers

Is there a difference in the exhaust bolt pattern between the cobra jet heads and dove-c heads? I finally found the set of headers I want and Hedman says they only fit Cobra Jet heads. I didn't know there were any differences other than maybe the exhaust ports. By the way, the Hedman part # is 85651.

Apr 9, 2003 | 07:50 PM

qtrmiler

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Headers

The bolt patterns are the same, the port is slightly different. I've used CJ flanges on non-CJ's a lot in the past, just use the CJ gasket.

Apr 10, 2003 | 06:02 AM

flatliner

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From: Blackville, SC, USA

Headers

Thanks, that's what I suspected.

Apr 10, 2003 | 09:50 PM

greenhighboy

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From: Missouri

Headers

What kind of truck are you putting them on?

Apr 11, 2003 | 11:25 AM

flatliner

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From: Blackville, SC, USA

Headers

'76 High-boy. I think I may have to modify my steering shaft and brake lines to get 'em in but I don't think that'll be too much trouble.

Apr 11, 2003 | 11:00 PM

greenhighboy

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From: Missouri

Headers

Yea that probably all you will have to do. A friend has some on his highboy and he had to work on the steering shaft. His truck has a 79 steering box on it. I borrowed them to try on my 78 frame and the fit perfect with no mods. They bolted to my DOve heads using CJ gaskets and looked to seal good. They are an awsome looking set of headers just a little high for uncoated. I have L & L's and the heddmans are alot more of a performance hedder. I plan on getting a set in the near future.

Dennis
1999 F-350 Powerstroke
1977 Highboy 429 4-speed 35"s
1972 Ranger on a 1978 F-250 4x4
frame 466 Pulling Truck

Apr 15, 2003 | 05:55 AM

flatliner

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From: Blackville, SC, USA

Headers

I got the headers on last night without too much trouble. The only modifications I've made so far is re-route the brake lines from the master cylinder to the p-valve and notch the cab mounts on both driver and pass sides. With the headers bolted on, there is good clearance all around. The steering shaft is sitting on the header but it is not binding. This may have to be modified once I get the trans. in. I hope to find out this week.