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post #1 of 4 (permalink) Old 02-18-2013, 07:51 PM Thread Starter
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Exhaust and header questions

Ok here's my exhaust set up at the moment, dual 2" to a single 2.5" back to a dual 2" no cats and universal high flow mufflers.

The question is with this set up can I use the headers I just got? (Mac shorty headers for a 3.8 sc)
I am wondering cause I might be getting a 94 5spd for cheap, if I do then obviously my focus will shift from building my 89 to the 94 and I would be selling the 89 once the 94 is done. However I have an exhaust leak due to a broken manifold bolt. Can I use the headers with my current exhaust?
I don't expect to see huge gains from putting in the headers but it will be an improvement.
I did search but the forums don't like my phone and I got nothing.

Phrum Steve

89 Thunderbird SC 3.8SC W/ Factory manual
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94 Thunderbird LX 3.8 N/A Automatic
http://s1200.photobucket.com/albums/...Bird%20No%203/
sold, sadly

95 Thunderbird SC deal pending
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post #2 of 4 (permalink) Old 02-19-2013, 10:14 AM
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You could just get the bolt fixed for now and decide later. Are you talking bolt to the head, or the stud where the pipes bolt up? I got a broken stud fixed this past weekend for like $20.

1994 Thunderbird - 2000 4.2L M5R2 now has 55k

1995 Thunderbird - 2002 Alum 4.6L SVO - Awaiting transplant... (Parts donor)

1996 Cougar - 2004 3.9L 4R70W
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post #3 of 4 (permalink) Old 02-19-2013, 12:53 PM Thread Starter
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It's the upper bolt passenger side where it bolts the manifold to the down tube, the only one you can't just drill and put a nut behind it. And it's broke off flush in the manifold.

Phrum Steve

89 Thunderbird SC 3.8SC W/ Factory manual
http://photobucket.com/SCno1

94 Thunderbird LX 3.8 N/A Automatic
http://s1200.photobucket.com/albums/...Bird%20No%203/
sold, sadly

95 Thunderbird SC deal pending

Last edited by renello79; 02-19-2013 at 01:13 PM.
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post #4 of 4 (permalink) Old 02-19-2013, 02:23 PM
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I would take it to a shop and have them look at it. Maybe they can drill it out and put a new stud in. I had my passenger downpipe break just below the flare at the header this past weekend. They fixed that, a broken stud (upper/drivers), put 2 new hangars for the mufflers, AND bent the pipe straight in the back where it had dragged. All of that for $60. So it might be an easy/cheap fix and you won't have all that work to do twice.

1994 Thunderbird - 2000 4.2L M5R2 now has 55k

1995 Thunderbird - 2002 Alum 4.6L SVO - Awaiting transplant... (Parts donor)

1996 Cougar - 2004 3.9L 4R70W
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