I use the A3 heads also. Before I went back to the "Webers", I tried both the tall A331 spider and the "Edelbrock" torker type A3.
In the Pantera, the low torker type is by far the best fit to the car.
Here's what it looked like with the Holley 4779.
Ironically, the Webers are as easy or maybe even easier to plumb to the car?
I personally thought that the original Torker that I had on the Boss 351 in my Shelby along with the 750dp Holley was the most responsive to the car.
That engine had the iron "Boss" heads on it and I never tried or had the Holley Strip intake so I personally can't compare the two.
There's an entire story that goes with that Ford Motorsport A331 (torker) manifold.
Hall and Joh Vermersch both claimed that there were only 100 made. I can't prove that either way. I'm just commenting on what BOTH TOLD ME.
Many have disagreed with that.
What others here probably would agree with is that they are "suckers" to find.
I personally have owned three of them and traded each away for parts of whatever the current project was that I was working on then, so mine are...psst...long gone.
By far that would be the nicest intake to match to those heads in a Pantera.
I will tell you though that the A3 intake port is raised just about 1/4" on top and is just about 5/8" shorter on the bottom.
There is an issue with taking just any manifold for a 4v head and bolting them up to the A3.
The issue? 5/8" of the bottom of the port on the intake will be wide open.
You can fill them with platic aluminum IF you want to risk the epoxy falling out. That really isn't worth the risk to me.
You COULD mate that manifold to that head with spacers. Those spacers would have to be made for you, probably by Price at Price Engineering in Indiana.
He gets about $200 for them. I don't know what the combination you would wind up with as far as spacer thickness? He'd have to run that through his computer program and tell you if he could make them or not?
I think that it would be easier to do with a 9.5" W block though rather than with a 9.2" C block.
Price is on the web. Google him. He will come up.
This is what the manifold looked like on my car back when.
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