manifold numbers

[steve from staten island]

Were do i go to look up intake manifold numbers. Ive got two 2951668-1 and 2806778 both four barrels and off 383's.

 

[Photon440]

I don't see your numbers, but here's a list.
http://www.rosevillemoparts.com/reference_castingnumbers3.php

 

[ODZKing]

Assuming you mean casting #s.
I don't see either, however is it possible the 2951668 is a 666? And the 2806778 is 178?
If so the 666 is (383) 70-71
And 178 is (440) 67-69.
This is a good reference.
http://www.mymopar.com/index.php?pid=69