Is the 6061-dp still available for 429/460 Ford?

by | Apr 3, 2017

Hi Brandon, This manifold was discontinued thirty years ago due to lack of demand. Check out the 6060 which is the same as the 6061, difference being its for a standard 4 barrel carb, an additional carb adapter would be needed for a spreadbore carb. hope this...

3640 adaptor

by | Mar 29, 2017

Currently there no plans to manufacture the 3640 adapter.

6257DP Primary vs Secondary

by | Mar 29, 2017

Summit is correct.  The primary plane is the smaller port.  It is possible to mount the Carburetor backwards, but the performance of the manifold will be hindered.