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Discussion Starter #1
Been reading through the posts about headers and there is a lot of differant opinions on what to use. I am at the the point where I have to buy a set and would like to know what top three would you guys recommend.

I am going for ceramic coated but have been told to go with the short headers as the long ones would bottom out on the street. (stock 15 in rims with 1" drop springs)

I also read that I would loose HP if if I went with sort ones.

I have a 383 with dart heads about 400 HP
TKO 600 5 speed
3rd gen steering box.

any advise would be greatly appreciated
 

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Whoever told you the longtubes drag the ground obviously had the wrong headers for their experience. If you buy the correct header for your application, should have no problems.

As far as type of header goes, the shorties are a small step over your stock manifolds. They will increase a little in horsepower....you might gain a little torque over the stock manifold, but you will not loose anything. For the longtubes, you will gain slight horsepower and gain alot of torque.

The absloute bang for the buck will be long tube full length headers.

My personal opinion....Hooker Super Comp. Had them for years and never had any problems.

~Joe
 

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If you're willing to spend the $$ I'd consider Doug's D-368 (1+3/4" 4-into-1) or Thorley 376Y1C (1+5/8" Tri-Y). They're both "long" tube headers, but fit very nice and tight to the floorboards, so there shouldn't be any bottoming out issues. Multiple reports here on the goodness of fitment of both, but they ain't cheap....
 

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Discussion Starter #5
hooker, dougs & thorley...thanks Ill look at all three.
any of these have clearance issues with a third gen steering box?

and how price-y are we talking??? in the 600-700 range??
 

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I have heard of many problems with Hooker super comps. The more inexpensive headers like the Hooker Competition headers (there is a difference) fit well on a car with 302/350 frame mounts and engine mounts. The Dynomax or Summit brand headers fit well on cars with 307/327 frame mounts and engine mounts. The Dougs or the Doug Thorley's seem to work with either sets of mounts.
 

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I used Dyna Tech stepped headers on my 67 and they fit perfect. No problems at all. They clear the steering box and tuck up underneath very good. They have thick flanges so no leaks.
 

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Discussion Starter #9
Jeff, you saying dont get the coated headers?
I know its just for looks, but I have alot of money into this to back off now.
Or are you saying to go with the steel.
 

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Yes, I have heard that Summit headers are made by Dynomax.
 

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I personally like the tri-Ys for the street. They are 14 gauge (Doug's are 16) with 1 5/8 tubes and fit great. The smaller tube will give you more torque at lower rpm. If you plan on higher rpm use then the Doug's would be a good fit. I had them on my 69 with a 400hp 350 and 4-gear and it ran GOOD! $570 at Summit right now: http://www.summitracing.com/parts/DTE-375Y-C/
 

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What ever set you get, count on customizing some areas and banging them up a little. saying that, dont get them cermaic coated till you have trial fitted them and made the fit corrections as best you can. Then get them ceramic coated locally and final install.
 
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