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does anyone have a recommendation for a paint brand for my exhaust manifolds?

thanks,

Mark

http://www.eastwood.com/factory-gray-hi-...ating.html

the good stuff
get the pint it goes allot further

X2

X3!!

Hello Mark,

I'm assuming that you're going to be using the original factory style HP cast iron exhaust manifolds? If so, welcome to the club! They are excellent manifolds and trouble free if you prep them before installing them.

From my personal experience with these manifolds over the years, I would recommend that before you paint them if you haven't done so already, carefully clean and prep them for paint, or if they are rusted, or really greasy and dirty, do yourself a favor and have the manifolds sandblasted clean first and then carefully clean them after the sandblasting is done to get all of the sand and other misc residue off. Otherwise, no matter what paint product you use, that paint won't adhere to the manifolds properly and it will fail in a short time.

Another thing that I always have done on these manifolds before I install them, is to have my machine shop check the flange mounting surfaces to make sure that they are flat. Due to the severe temp cycles that these manifolds see, I've seen more than a few of them that have needed some machine work done on the flange surfaces to make them true and flat. Having this simple process done will help to make for better sealing to the cylinder heads and it's much better to have this checked and fixed before you paint them and install them only to find out that you have an exhaust leak due to this issue.

Richard

+1 to what Richard said and may I add to that it is a good idea to replace the old manifold bolts and studs/nuts with brand new parts and use high temperature anti-sieze on the threads, it makes removal much easier. Chase the threads in the heads with a bottoming tap to remove all doubt that there is junk in there and to get a total thread engagement.

4264door Wrote:+1 to what Richard said and may I add to that it is a good idea to replace the old manifold bolts and studs/nuts with brand new parts and use high temperature anti-sieze on the threads, it makes removal much easier. Chase the threads in the heads with a bottoming tap to remove all doubt that there is junk in there and to get a total thread engagement.

Absolutely Tim!

Here's a source for a new set of the correct hardware if you will be installing a set of the 68-69 big block factory HP cast iron manifolds.

1000029 BOLT SET EXHAUST MANIFOLD KIT B/RB



Price: $39.00

R/T Specialties
Tom Race - owner
2156 SR292 E
Falls, PA 18615
PH: (570) 388-1082
FX: (570) 388-1083

Web site home page link: http://www.rtspecialties.net/

Web page link for these parts: http://www.rtspecialties.net/proddetail....od=1000029

This thread started out by the OP requesting the proper paint to use on his exhaust manifolds and that question was answered nicely. Thanks to the rest of us who post here, our minds working along with the idea of exhaust systems and such and the rest just flows out naturally. It is what we are...car nuts. So, following with that theme, the next logical step will be to replace the entire exhaust pipe and muffler/hangers/etc to complete an awesome Mopar exhaust system that sounds like it was supposed to sound back in the day....tough as nails!

Thanks everyone....

the manifolds were blasted and prepped for paint but I believe the person I had do this for me was a bit light in spots, and I just want them to look nice...

Mark

i have used por15 cast grey manifold paint on a few cars and it still looks good years later.