Thread: Header gasket suggestions

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Originally Posted by pepi

Spotted this in your post, "header with a 1/2" flange" I have a question you are saying the flange is .5 thick?

Then I ask, are you possibly using the stock length bolts if so that's the problem add .5 too the length and replace all 8. I would think a Hooker header with a .5 flange would not have skew/warp from welding, possible but I give them more credit then that.

The 1/2" flange was actually another header I was referring to that I worked with in the past. It was an OBX header and the fel pro gasket wouldn't seal. I finally had to use some copper gasket sealant to make it seat.

Thank you though I will take your advice with the cranking of the bolts. I was planning on using the Allen head bolts as well. The headers are on my 41 Willys here so they have plenty of support.