Are there different exhaust flanges on a 394? I have a 1963 394, and I ordered flanges from a custom header builder. When I got them they were completely different. He told me [from what I described to him] that I have a 455. Now I know for a fact that I have a 1963 394, I ran the numbers on the block, I have ordered exhaust and intake gaskets without a problem, I have even rebuilt the cylinder heads without so much a hiccup on ordering parts. The flanges that I have recieved look more like a 303-324? The guys building them swear that they are for a 394, I am sending them pictures. Reading a few things about a 394, '59-'61? are different from '62-'64? The exhaust ports look to be in the right spot, but the bolt holes are nowhere near mine. Thanks, Sam

 

anybody?

 

Been there, done that. One of the few times I ever used mail order.

Flanges were for 394, but not mine. Cut my losses and made my own.

Later acquired another 394. Its heads matched the flanges I had already given away.

Norm

 

So, are there different bolt patterns on the exhaust for a 394?

 

One on my first 394, another on my second.

No idea what years they were.

Norm

 

Here is my predicament: It is a '63 394 in a mid 60's dragboat, part #'s really don't do me any good, hope the pics show up. Nope. I'll try to re-size pics and put up.