Hi all, will .002 copper shim work to block the crossover port using 1213 gaskets and extractors.
You sure about that, it has a 1983f melting point.Too much heat for copper
Thankyou, I will look into them, wouldn't have a part number by any chance.I bought mr gasket manifold set has block off built in
Here ya go $28 @ Oriellys might be cheaper elsewhereThankyou, I will look into them, wouldn't have a part number by any chance.
I'll be running a small b&m blower , I've been in two minds about this for a while as i didn't want to mod the heads or manifold.leave it original, it won't bother anything.
Thanks mate, somehow i missed this post before replying, will check them out.
Yes it has the crossover , i don't want to weld it up as these manifolds are getting hard to find..002 inches ? sounds very thin. I cut mine out of a steel soup can lid 25 years ago. with a blower block the crossover. does the intake have a crossover?
I bought mr gasket manifold set has block off built in
.020" thick would be my choice. Copper, steel, stainless, brass, titanium... none of them will melt or burn through. I wouldn't trust anything only .002" thick though.
Was the heat riser in the RH exhaust manifold removed, or totally disabled? That valve is the only reason for the exhaust to even want to go thru those passageways.HUH, the only ones I `ve ever seen were burned thru / not my car ..
Was the heat riser in the RH exhaust manifold removed, or totally disabled? That valve is the only reason for the exhaust to even want to go thru those passageways.
Yeah, if you like the gas in the carb to boil.Bah! That heat crossover is a sweet H-pipe built right into the intake manifold.
I always block the crossover on a supercharged application.
Use the 1213 gaskets.
Make a SS plate slightly larger than the crossover port.
Cut a hole in the gasket, just big enough so the plate lays in there(like the runner/ water port) recessing the plate.
Lay the gasket on the head, put a dab of RTV to hold the plate in place as you install the manifold.
The SS plate can be up to .040, that will provide a flat surface for the manifold to lay flat on as the gasket is .060
Best of luck on your project Mate.
What size blower? 144/162?
I always block the crossover on a supercharged application.
Use the 1213 gaskets.
Make a SS plate slightly larger than the crossover port.
Cut a hole in the gasket, just big enough so the plate lays in there(like the runner/ water port) recessing the plate.
Lay the gasket on the head, put a dab of RTV to hold the plate in place as you install the manifold.
The SS plate can be up to .040, that will provide a flat surface for the manifold to lay flat on as the gasket is .060
Best of luck on your project Mate.
What size blower? 144/162?