i am installing a stock exhaust on a '68 400 non-HO. i have not been able to find the correct exhaust manifold gasket p/n's nor the bolt size/length in the illustrated parts books - anyone know what the correct bolts and gaskets are?
Also, I see there is a conical seat cast into the exhaust manifold outlets and the ehaust down pipes have matching seats and I don't see a call out for any gasket. I am used to the donuts providing the seal - anyone have any issues with getting the down pipe to seal on the manifold when using the stock two bolt flange?
Thanks

I have a few sets of Fel Pro gaskets. Gasket part number is Felpro 1424. Inline Tube also has them...part number
INL11319

The donut is here
Donut

I would call Inline Tube for the bolts for manifolds. I have them used, but would take me a few weeks to track down.

Insert joke there...

thanks Banshee -
That tells me there is in fact a donut between the exhaust manifold and head pipe even though it isn;t illustrated in the parts manuals. I'll give InLine a call on the bolts.

I did not locate a donut on mine when I took it apart, and the one that I bought that was "correct" did not fit, In addition I also did NOT see one in the parts manual.

That being said...If I found one that fit I would probably try to install it... so far though it sounds good and hasn't leaked yet...