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undersized header flange

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Old 05-03-2012, 09:54 PM
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Model: Cherokee
Engine: 4.0L HO
Default undersized header flange

I know I'm not the first to encounter this, but can't seem to find any relative posts. I have an ebay 4.0L HO header, and the flange is 7/16". The flange on my stock manifold is 1/2"...will I have to make some 1/16" shims to get this work? I don't have my intake manifold hereright now to see how it all fits. Maybe I should cut some 1/16" thick washers and tack weld them to the flange?
Old 05-04-2012, 08:50 AM
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Engine: 4.0
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Don't do anything till you know how thick the intake manifold is...don't assume. Sounds weird tho...
Old 05-04-2012, 09:37 AM
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I ran into this issue with the 99+ intake swap, If i was home with all my tools I would have ground down the header to match the intake but I wasnt. Simply bolted it together and checked all the bolts like 1000 miles later. No issues with me so I saw no need to take it apart to grind it down

edit: mine was way more off then 1/16th too
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