Exhaust Gasket leak and stud broke

[cashville]

I'm not even sure at how much torque the last bolt is, because it's the only bolt with bad access, and my torque wrench wouldn't fit in that place. After the others I could get a feeling of the 18lbs, and put it around that, and I did but it was not enough to close the gap. After that I tightened it a lot, because a lot was needed for the header to go back into place with no gaps.

What I'm thinking of doing tomorrow, is do a leak test and spray some wd40 around the manifold (will start with the place where the broken bolt was), and see if I get a different engine idle, just to detect the leak and make sure it's really coming from that place.

[cashville]

I couldn't wait till tomorrow, so I tightened the last bolt as much as I could, and turned on the engine. the noise was still there, so that didn't help. I then sprayed wd40, and noticed bubbling coming from the gasket at that last bolt. I turned off the engine, and unscrewed the last bolt a little, to not leave it there overtightened.
So, I guess I'm investing in a Felpro gasket. Lol.

[cashville]

btw, I didn't put anything on the used gasket, I just took it out, and put it on again. Should I have used a sealant or something?

[OrangeCrush]

Be careful over tightening those bolts. You tighten them too much and you pull the studs clean out of that head. (aluminum)

Just a suggestion.

Mark

[OrangeCrush]

Btw, DO NOT REUSE THE GASKETS!!!


Mark

[Indy]

I personally would not over tighten the bolt. If it snaps off, you are where you started. Use a high temp copper sealant on both sides of the gasket to make sure the seal is tight. Good luck.