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Author Topic:   Trial & Fit Header issues
rockafellz
Gearhead

Posts: 1291
From: San Lorenzo, CA, USA
Registered: Aug 2001

posted 09-12-2002 09:05 PM     Click Here to See the Profile for rockafellz   Click Here to Email rockafellz     Edit/Delete Message   Reply w/Quote
Hey Fellas,

I originally bought these THRUSH headers off ebay with the thought of mounting them on the stock 289. Didn't anticipate any fitting problems with the new 302. The left driver's side header gives me zero clearance for spark plug boots 5,6,7 cylinders.

The right passenger side header Flange is very uneven at the number 2 exhaust port. The welds are excessively big. We checked the flange with a straight edge and it's pretty flat. Just the puffed welds are too large....(explained right?? )

Also, that same tube is hitting my ARP stud on the cylinder head.

My neighbor, my dad and I were thinking to take the headers to a machine shop and get the flange "planed" flat. Then take them to a muffler shop to get the tubes bent so I have spark plug and cylinder stud clearance.

What do you guys recommend? I know you racers have encountered these problems one time or another.

Sorry for the lengthy posts. I just really want to get as much info as you guys need so it's easy to understand.

Thanks SOOOOO much in advance!!

Erik

p.s. I'm using Ford Racing spark plug wires and the boots are about 70-80 degrees angled.

------------------
1966 Ford Mustang 2+2
Mine - Restomod in Progress

1966 Ford Mustang Coupe
Dad's - Original Unrestored

[This message has been edited by rockafellz (edited 09-12-2002).]

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capri man
Gearhead

Posts: 3385
From: doerun, ga.
Registered: Nov 2000

posted 09-12-2002 09:11 PM     Click Here to See the Profile for capri man   Click Here to Email capri man     Edit/Delete Message   Reply w/Quote
have you considered building a pair of flanges to go between the headers and the heads?? its a bandaid fix but it has been done before. good luck

------------------
mike r
racing is real
everything else is just a game.
81 capri-7.51 @89mph 1/8
1.54 60 ft.
http://prestage.com/site/site_display.asp?SiteID=141

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rockafellz
Gearhead

Posts: 1291
From: San Lorenzo, CA, USA
Registered: Aug 2001

posted 09-12-2002 09:44 PM     Click Here to See the Profile for rockafellz   Click Here to Email rockafellz     Edit/Delete Message   Reply w/Quote
I've been thinking about what Alex said in another post.

Those hedman headers seem like a good bet.

I'm just hoping I could save these headers. If the machine work and bending will cost me more than $109.99, I'll be contacting Summit!!

Erik

------------------
1966 Ford Mustang 2+2
Mine - Restomod in Progress

1966 Ford Mustang Coupe
Dad's - Original Unrestored

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