Thread: Header gasket suggestions

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Earls are very good, the most important thing is to get the gasket to match the header. If you have a round port on the header flange then you need a round gasket, a square port will need a square gasket. Sbc has different sizes for the square ports as well.

Originally Posted by ojh

Earls are very good, the most important thing is to get the gasket to match the header. If you have a round port on the header flange then you need a round gasket, a square port will need a square gasket. Sbc has different sizes for the square ports as well.

They are hooker headers any ideas if they are square or round ported? Also do the earl gaskets come in different sizes?

I would also recommend using Stage 8 locking fasteners. I used them on my headers, and ten years later, I am still on my original header gaskets.

Performance Auto | Locking Fasteners

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Originally Posted by rumrumm

I would also recommend using Stage 8 locking fasteners. I used them on my headers, and ten years later, I am still on my original header gaskets.

Performance Auto | Locking Fasteners

will do, when I fix something anymore it's done right. I learned my lesson in earlier years. This happens to be a rid that someone else had before me, they werent as particular about it as I seem to be

A common issue with header gaskets blowing out, and/or sealing poorly, flange bolts loosening etc., led me to do some research on this subject..I was happy that I did.
I used Percy's Splitlock bolts, and Rem-flex gaskets on my BBK headers, and have never had an issue.
Rem-flex gaskets are designed to allow for some headers that are not 100% true, (which leads to the leaking/blow out issues).Just follow the directions re bolt torques. You don't need to squish the heck out of them for a good seal.
The Percy Splitlock's are easy to install, and definitely will not back out if installed as per the instructions..

Originally Posted by rumrumm

I would also recommend using Stage 8 locking fasteners. I used them on my headers, and ten years later, I am still on my original header gaskets.

Performance Auto | Locking Fasteners

Great fasteners but just a word of warning to any SB Ford owners - these will not work as the tube to bolt distance is very close.