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Old 10-11-2002   #1 (permalink)
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Default Need All Advice Possible for header installation.

OK, I have purchased MAC shorty unequal length aftermarket headers for my 95 GT. I plan to have them installed tomorrow by myself, and have given myself approximately 7 hours to get it done.

For absolutely anyone who has installed any headers (especially the MAC), I would like to hear about any problems you ran into, with the solutions you found. What special tools did you need? Do I need to remove anything to make them fit?

Please, anything you know or heard would be greatly appreciated.

Last edited by Jarrett; 10-11-2002 at 03:04 AM.
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Old 10-11-2002   #2 (permalink)
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Floor jack and a couple of scrap pieces of 2x4 to jack the motor and keep it in place. Put a piece under each motor mount once it is raised.
Not sure if you have to disconnect the steering rag joint in order to install them or not.
Be careful not to break the 02 sensors if they have to be swapped.
I am being vague on some points as I have never installed the equal length shorties, just long tubes.
Mainly you just need hand tools to do it though.
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Old 10-11-2002   #3 (permalink)
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When I installed my equal lengths I had a mechanic friends lift to use...We had to disconect the steering joint to fit the drivers side header from under the car, but I do not know if this is the case with unequals.
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Old 10-11-2002   #4 (permalink)
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U should not have to jack the engine up to install theese,The only probs i ran into was getting the old exaust bolts off other than that perty ez job"make sure ya have a box of band aids rdy for all the bloody knuckles"
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Old 10-13-2002   #5 (permalink)
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yeah unequals just go right in, equals are a pita!!!! speakin from experience.. let me know how your EGR tube goes back on! Craig
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Old 10-13-2002   #6 (permalink)
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Well, its all been done!!!

It took me two days, though, because I like taking my time with my car.

The EGR tube was a PITA to get loose to rotate, but once it could be rotated, it fit perfectly on the new headers. I had to use two wrenches, one on the bolt and one on the housing, and another wrench to force those two to turn.

The bolts after the collectors were the other biggest problem. Four bolts, and one major headache! I even went to rent an electronic impact wrench, and it wasn't strong enough. I got a Dye Grinder to grind the bolts off, but could only reach one. Finally, I used an entire can of super thread penetrator, a long ratchet extension, a break bar, and a breaker bar extension. My friend an I pushed/pulled as hard as we could, and one by one, the bolts came loose. Believe it or not, one of the bolts sparked as it came loose! SOB's...

The headers did slide right in. I had to remove an entire vacuum assembly on the passenger side, but that was just a whole bunch of hose clamps being loosened. But once that was out, reaching the headers was the easiest thing in the world! I only wish I had done that when changing the spark plugs earlier.

Speaking of spark plugs, I changed those from Bosch 2 to Autolite Platinums gapped to .054 since I run MSD ignition/Coil/Accell cap and Rotor.

What a fun weekend.
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