More on headers
Thread Starter
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Senior User
Joined: Jul 2007
Posts: 139
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From: Milwaukee, WI
More on headers
Alright, I did a search on headers for our engines and all, but really didn't come up with what I was hoping to find.
The thing I want to know is whether the car model long tube headers will fit into my 69 F100 with 2WD. The reason I ask is because I'm looking at the Hooker Pro Comps, but the truck version has a 2-1/2 collector that would fit either into or over the exhaust pipe instead of being the three bolt flange that I want, plus the three inch collector should I decide I want larger exhaust.
My guess is that just about any header should fit into the truck, simply with the logic that it should have more room in the engine bay. Correct me if I'm wrong, by all means. The only other thing I'd see being different is the length of the tubes, possibly changing the tune characteristics?
Thanks in advance!
The thing I want to know is whether the car model long tube headers will fit into my 69 F100 with 2WD. The reason I ask is because I'm looking at the Hooker Pro Comps, but the truck version has a 2-1/2 collector that would fit either into or over the exhaust pipe instead of being the three bolt flange that I want, plus the three inch collector should I decide I want larger exhaust.
My guess is that just about any header should fit into the truck, simply with the logic that it should have more room in the engine bay. Correct me if I'm wrong, by all means. The only other thing I'd see being different is the length of the tubes, possibly changing the tune characteristics?
Thanks in advance!
Post Fiend
Joined: Mar 2004
Posts: 6,056
Likes: 8
From: Union, Washington
Originally Posted by phyrekitsune
Will they really? How so? Too much flow? It will be a street motor, so if I'm better off with the lower ones, I'll go with em. Just so long as their ceramic coating is good.
Thread Starter
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Senior User
Joined: Jul 2007
Posts: 139
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From: Milwaukee, WI
That's strange... The tubing is the same size as any other brand headers. Now that I look, Hooker also uses 18 gauge steel whereas Dynomax is 16 and Hedman as well as Thorly both use 14. I would think the heavier steel of the Hedman and Thorly would be better in the longterm, but does anyone know how the thermal, ceramic, or otherwise coatings compare? I've pretty much heard you get what you pay for, but Hooker headers are the most costly.
Fleet Mechanic
Joined: Aug 2007
Posts: 1,834
Likes: 261
From: Piney Woods of East Texas
If you have larger than 2 1/2" exhaust on your truck, you have killed all of the back pressure required for low end torque. It will not matter weather you have a 3" or 2 1/2" collector. The The headers you refer to are for the 428's big bore exhaust engines, design to run up to 6k rpm or better. I believe they are ceremic coated inside and out. Those headers are also design to fit Edelbrock Al heads. The seal design that hooker used on the collector will not leak like the 3 bold flange. It use the band clamp design which makes it easy to assemble and take apart.
Posting Guru
Joined: Nov 2005
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From: the side of a mountain
i have headman ceramic coated headers on my 76 and love em you could definately feel a power difference. they sent me a set with the thermal coating first for a 3/4 ton that werent right and the coating just seemd like it scratched off when it rubbed something so when i sent those back i changed to ceramic coated.
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Senior User
Joined: Jul 2004
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The "drop" of the collector in relation to the exhaust port may be differant on car heads vs truck. Depends on where cross members are. Wouldn't bother trying it.
As far as ceramic coatings, I don't think I would ever get them with it from the manufacturers. I've seen what Hooker ships... With the volume that the do they don't spend the time to do it right.
Save the money on the purchse and have them done at a local "reputable" shop.
As far as ceramic coatings, I don't think I would ever get them with it from the manufacturers. I've seen what Hooker ships... With the volume that the do they don't spend the time to do it right.
Save the money on the purchse and have them done at a local "reputable" shop.
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Post Fiend
Joined: Dec 2003
Posts: 6,658
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From: "Islander"
If you can get raw headers or just painted, first check for fit then dress down sharp edges and weld splatter before sending them for ceramic coating inside and out. Not cheap this is what I did to original Doug Thorley headers with HPC coating not Jet Hot coating. After shipping 3 times to Jet Hot redoing their mess making another mess I had HPC strip and coat properly.
Lead Driver
Joined: Aug 2003
Posts: 6,305
Likes: 18
From: Boulder Creek, Ca
Installed Hooker long tube hedders on my 65's 2 1/2", had some minor grinding on crossmember where the hedder flange rest. Believe engine bays pretty much same 65-76, the engine size may be an issue. Have two 65's w/ long tubes ( 302 and 390). Also used the hedman offset extentions to address the tranny crossmember. Later found a post where another member modified his tranny cross member to address exhaust pipe issue.
https://www.ford-trucks.com/user_gal...=79912&width=2
dave
https://www.ford-trucks.com/user_gal...=79912&width=2
dave
Post Fiend
Joined: Dec 2003
Posts: 6,658
Likes: 4
From: "Islander"
I haven't been impressed with header manufactures quality control in general alone not counting their ceramic coatings and I've looked at many high dollar brands. They coat over splatter and sharp edges your not going to get quality detail work hell it's a production profit $$$$$$$$ thing.
Another way is to make your own headers from scratch at least they would fit. Some early Doug Thorley's had the collectors off at some stupid angle where the collector extension would not fit because it would hit the transmission, this should of been corrected before welding up and shipping. With Doug Thorley selling his business I haven't followed the new Thorley name anymore after seeing many that didn't fit up properly.
Greed up quality down.
Another way is to make your own headers from scratch at least they would fit. Some early Doug Thorley's had the collectors off at some stupid angle where the collector extension would not fit because it would hit the transmission, this should of been corrected before welding up and shipping. With Doug Thorley selling his business I haven't followed the new Thorley name anymore after seeing many that didn't fit up properly.
Greed up quality down.
Thread Starter
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Senior User
Joined: Jul 2007
Posts: 139
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From: Milwaukee, WI
Aye, I'll agree with quality going lax on a lot of things, and the manufacturers get away with it, like always.
Alright, so if I save myself the extra 200+ to get painted headers, how much would a <i>quality</i> ceramic coating cost me?
Alright, so if I save myself the extra 200+ to get painted headers, how much would a <i>quality</i> ceramic coating cost me?
Post Fiend
Joined: Dec 2003
Posts: 6,658
Likes: 4
From: "Islander"
back in 2000 I paid $285 for HPC to remove the f**ked up mess Jet Hot did to the headers and extensions plus coat two lengths of pipe from extensions to the X cross and X cross, everything coated inside and out.
A flawless job on everything and done right the first time instead of engraving the collector extension mating surfaces to collectors like Jet Hot did, yes great for leaks with copper gaskets. IDIOTS!
A flawless job on everything and done right the first time instead of engraving the collector extension mating surfaces to collectors like Jet Hot did, yes great for leaks with copper gaskets. IDIOTS!