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Replace exhaust manifold or headers?

1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Replace exhaust manifold or headers?

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Old

Apr 18, 2014 | 08:46 AM

#1

5280

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Joined: Jun 2009

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From: South Park, Colorado

Replace exhaust manifold or headers?

I have a cracked exhaust manifold, passenger side, 85' F350 4x4, 460, the truck in my signature. I'm debating if I should buy a new or used manifold or just put headers on the truck. The truck has what I believe is a custom dual exhaust, I would have to do some modifying to fit headers. I would like to get rid of all of the air injection garbage. But I do not want to hassle with exhaust leaks or poorly fitting headers. Any thoughts or experiences with headers on our trucks?

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Old

Apr 18, 2014 | 09:23 AM

#2

RL250

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From: Where the Army sends me

Price wise, you can get headers for less money than new manifolds. The downfall is having to pay for the mods to the rest of the system. I'm replacing the whole system at one shot.

I'm hoping that because I bought the headers and muffler already that the rest will not cost too much, as I plan a short system.

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Old

Apr 18, 2014 | 09:55 AM

#3

ctubutis

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From: Denver Metro Area, CO

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The easiest and fastest thing to do is just replace the cracked manifold... there are lots of stories here in the archives of header woes, but YMMV.

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Old

Apr 18, 2014 | 10:15 AM

#4

5280

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From: South Park, Colorado

Thanks for the feedback. I'm going to scrounge around a couple of wrecking yards for a manifold. I have not made up my mind though. I still like the idea of headers, I just don't want headaches down the road.

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Old

Apr 18, 2014 | 11:12 AM

#5

ctubutis

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From: Denver Metro Area, CO

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car-part.com shows the closest source to be in Penrose, CO - not exceedingly close (although they don't list all possible junkyards):

<table border="1" cellpadding="4" cellspacing="0" width="100%"><tbody><tr align="center"><td>Year
Part
Model</td><td>Description</td> <td>Part
Grade</td><td>Stock#</td><td>US
Price</td><td>Dealer Info</td><td>Dist
mile</td> </tr><tr><td>1987
Exhaust Manifold
Ford E350 Van</td><td>motorhome,AT,RWD,Factory</td><td align="center">A</td><td>120100</td><td align="center">$65</td><td>Penrose Auto Salvage USA-CO(Penrose) E-mail 1-800-610-8074</td><td align="center" nowrap="nowrap">72</td></tr><tr><td>1985
Exhaust Manifold
Ford Truck F250</td><td>W AIR</td><td align="center">A</td><td>TK3303</td><td align="center">$50</td><td>Don's Sportcar USA-CO(Pueblo) Request_Quote 800-332-3649 Request_Insurance_Quote

</td><td align="center" nowrap="nowrap">97</td></tr><tr><td>1985
Exhaust Manifold
Ford Truck 250</td><td>RED TRK,HOLES PLUGGED,460 CU</td><td align="center">
</td><td>A88768</td><td align="center">$Call</td><td>Daurio Auto Truck, Inc. USA-CO(Pueblo) E-mail 719-544-8919</td><td align="center" nowrap="nowrap">97</td></tr><tr><td>1985
Exhaust Manifold
Ford Truck F350</td><td>MATCH</td><td align="center">
</td><td>6000</td><td align="center">$55</td><td>M & M Auto USA-CO(Steamboat-Springs) E-mail 877-527-2519 / 970-879-8178</td><td align="center" nowrap="nowrap">98</td></tr><tr><td>1986
Exhaust Manifold
Ford Truck F350</td><td>460ci,4 SP,4x4,Factory</td><td align="center">A</td><td>0737</td><td align="center">$55</td><td>M & M Auto USA-CO(Steamboat-Springs) E-mail 877-527-2519 / 970-879-8178</td><td align="center" nowrap="nowrap">98</td></tr><tr><td>1987
Exhaust Manifold
Ford Truck F250</td><td>7.5L</td><td align="center">
</td><td>RA0001</td><td align="center">$65</td><td>Trade Center Auto Recyclers USA-CO(Rifle) Request_Quote 970-625-1499 Request_Insurance_Quote

</td><td align="center" nowrap="nowrap">141</td></tr><tr><td>1987
Exhaust Manifold
Ford Truck F250</td><td>7.5L,AT,4x4,R-12A</td><td align="center">
</td><td>010026</td><td align="center">$50</td><td>Adam's Wrecking USA-CO(LaJunta) E-mail 1-800-748-2332</td><td align="center" nowrap="nowrap">155</td></tr><tr><td>1985
Exhaust Manifold
Ford Truck 250</td><td>
</td><td align="center">
</td><td>040063</td><td align="center">$65</td><td>Trade Center Auto Salvage Inc USA-CO(Grand-Junction) Request_Quote 970-243-1579 / 800-652-6686 Request_Insurance_Quote

</td><td align="center" nowrap="nowrap">166</td></tr><tr><td>1985
Exhaust Manifold
Ford Truck 250</td><td>
</td><td align="center">
</td><td>NOF</td><td align="center">$65</td><td>Trade Center Auto Salvage Inc USA-CO(Grand-Junction) Request_Quote 970-243-1579 / 800-652-6686 Request_Insurance_Quote

</td><td align="center" nowrap="nowrap">166</td></tr><tr><td>1987
Exhaust Manifold
Ford Truck 250</td><td>7.5L</td><td align="center">
</td><td>BW0057</td><td align="center">$65</td><td>Trade Center Auto Salvage Inc USA-CO(Grand-Junction) Request_Quote 970-243-1579 / 800-652-6686 Request_Insurance_Quote

</td><td align="center" nowrap="nowrap">166</td></tr><tr><td>1987
Exhaust Manifold
Ford Truck 350</td><td>
</td><td align="center">
</td><td>C10129</td><td align="center">$65</td><td>Trade Center Auto Salvage Inc USA-CO(Grand-Junction) Request_Quote 970-243-1579 / 800-652-6686 Request_Insurance_Quote

</td><td align="center" nowrap="nowrap">166</td></tr><tr><td>1985
Exhaust Manifold
Ford Truck F250</td><td>8-460 (7.5L), from 12/84, Fed (w/4 holes), RH,7.5L,MANUAL TRANS,A/C-0MI</td><td align="center">
</td><td>JF9099</td><td align="center">$Call</td><td>Lon's Automotive USA-CO(Bayfield) Request_Quote 1-800-452-4542 Request_Insurance_Quote

</td><td align="center" nowrap="nowrap">182</td></tr><tr align="center"><td>Year
Part
Model</td><td>Description</td> <td>Part
Grade</td><td>Stock#</td><td>US
Price</td><td>Dealer Info</td><td>Dist
mile</td></tr></tbody></table>

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Old

Apr 18, 2014 | 01:18 PM

#6

Archion

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From: Martinsburg, WV

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Most everyone's woes with headers are with the cheap ones, thin flanges etc. A quality set with good hardware would serve you well. Biggest issue is clearance of other components.

You can get an aftermarket manifold from Dorman, pretty common, your local parts hosue may even stock it.

Dorman Products - 674-226

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Old

Apr 18, 2014 | 02:47 PM

#7

5280

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Joined: Jun 2009

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From: South Park, Colorado

Quote:

Originally Posted by Archion

Most everyone's woes with headers are with the cheap ones, thin flanges etc. A quality set with good hardware would serve you well. Biggest issue is clearance of other components.

You can get an aftermarket manifold from Dorman, pretty common, your local parts hosue may even stock it.

Dorman Products - 674-226

I have been out of the performance scene for a few years, who makes good headers these days?

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Old

Apr 18, 2014 | 02:55 PM

#8

ctubutis

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From: Denver Metro Area, CO

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Bill and Ted's Excellent Exhaust Service

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Old

Apr 18, 2014 | 03:09 PM

#9

Archion

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From: Martinsburg, WV

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For that application, Hedman or Hooker, all the flowtechs I have ever used were complete crap. The thicker the flange, the better to protect against warpage. Also a GOOD set of locking fasteners that you can put the locks on after torquing them multiple times after a few heat cycles. If you put headers on, DO NOT wrap them.

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Old

Apr 18, 2014 | 04:07 PM

#10

5280

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From: South Park, Colorado

Thanks for the continued advice. I'm going to pull the motor for a rear main seal and decide which way to go before I put it back in.

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Old

Apr 19, 2014 | 01:45 AM

#11

Truck Guy99

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Joined: Jul 2011

Posts: 1,219

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From: Elk City, OK

I have the passenger side manifold off my sig truck in good shape with no cracks. Not sure if they interchange or not but I will give it to you for the price of shipping if you want to give it a whirl. PM me

Or you can do hedman Hedders. I have them on mine and they fit perfectly.

http://www.summitracing.com/parts/he...-350/year/1985

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