If the holes in the headers aren't lining up with the holes on the heads, perhaps you could drill out the holes in the headers a bit to make 'em line up? Kinda hard to say without being able to see what's going on...any chance you could post a pic or two for us?
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MAC headers can be a pain but F bombs are bad
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Working with half my brain tied behind my back just to make it fair
- Sep 2011
- 7373
- Big Rapids, MI
- Send PM
MAC headers can be a pain but F bombs are bad
2001 Ford Crown Victoria P71 - "The Fire Engine"
1985 Lincoln Town Car Signature Series
But God demonstrates his own love for us in this: While we were still sinners, Christ died for us. Romans 5:8Tags: None
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Working with half my brain tied behind my back just to make it fair
- Sep 2011
- 7373
- Big Rapids, MI
- Send PM
I suppose your other option would be to heat 'em up so you could bend the tubes just ever so slightly, but that might be kind of hit-or-miss on getting it right.
2001 Ford Crown Victoria P71 - "The Fire Engine"
1985 Lincoln Town Car Signature Series
But God demonstrates his own love for us in this: While we were still sinners, Christ died for us. Romans 5:8
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Originally posted by zwack88I know I was warned by every one but they guy that sold me them that they would be a bitch and they do.
I have the right side on, took awhile but I finally got it on. Now the left side is a totally different story, 2 primaries I have on, one I have 1 bolt in and the other doesnt want to thread in and when it does start to it pops out after a couple of turns. Then the last primary is messed up, I can thread any of the bolts in, I stuck a screwdriver in there to see if they are lined up and it seems they are halfway. So that is where I am stuck at. I have pretty much lost my patence with these. I have been pretty calm through the whole thing and I am starting to lose it so I need some help.
Suggestions, tips or throw these out and man up and buy some decent headers.
Im going to work on my Jeep....
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MAC headers can be a pain but F bombs are bad
No whiney threads in the Tech section with more cursing than actual tech...
That being said.......
Once you use MAC headers and take them off, you are almost guaranteed to have trouble putting them back on. One trick is to heat them up with a torch as you put the toublesome tubes on. Bolting one tube on and then moving the rest can make life easier.
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Working with half my brain tied behind my back just to make it fair
- Sep 2011
- 7373
- Big Rapids, MI
- Send PM
How come this thread is attributed to me?
2001 Ford Crown Victoria P71 - "The Fire Engine"
1985 Lincoln Town Car Signature Series
But God demonstrates his own love for us in this: While we were still sinners, Christ died for us. Romans 5:8
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What he said, those individual flanges are a PITA. +1 on the heat trick, it might be your only hope.86 Lincoln Town Car (Galactica).
5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley
91 Lincoln Mark VII LSC grandpa spec white and cranberry
1984 Lincoln Continental TurboDiesel - rolls coal
Originally posted by phayzer5
I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers
Everything looks like voodoo if you don't understand how it works
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exhaust studs make it marginally easier, but they still have to be beaten down on the threads to seal
RIP Jason P Harril, we'll miss ya bro
'80 Town Coupé
'84 Towncar - Teh Cobra TC, 408w powered
'16 Ram 1500 CC Outdoorsman, Hemi/3.92/8sp 4x4
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