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Registered Member
Join Date: Jan 2002
Location: Kennesaw, Ga
Posts: 26
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![]() I just installed a set of mac long tube headers on my 89 5.0. They are the 1 3/4 primaries with 2.5" collectors. The passenger side header is leaking, possibly the drivers side too, but it sounds like its coming from the passenger side. The headers are torqued down correctly. What's the problem? I've heard that the headers have a break in period where they expand from heat, and have to be periodically tightened down. Is this true or is something else wrong.
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Thread | Thread Starter | Forum | Replies | Last Post |
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