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BIG BLOCK FORD

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header flanges

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BIG BLOCK FORD :: GENERAL TECH :: ENGINE TECH

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Post  pro64 March 21st 2014, 7:09 pm

my header flanges protrude into the exhaust port about an eighth of an inch on the top only. the rest of the opening is fine,does that sound crucial enough that I should grind the flange or leave it.

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Join date : 2011-12-03

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Post  cool40 March 21st 2014, 7:18 pm

If its a cj head you may have a standard header flange.
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Post  dfree383 March 21st 2014, 7:24 pm

The roof is where a lot of the flow is, so yes it's important to get that cleaned up.
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Post  pro64 March 21st 2014, 7:55 pm

thanks guys I should have mentioned that there p51 s Very Happy 

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Post  Calypso March 22nd 2014, 2:19 am

If the pipes bend down right after the flange, it may not be that big a deal.

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