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Yes also one of my concerns.. just waiting for vendor to verify.. thanks for the input guys

Quote:

Originally Posted by GPM (Post 4275363)

The 2.375 I ran wouldn't seal around standard exhaust ports.

Was it a dart head?

I ran them on the Big Dukes without a problem, but on the BB2xtra they wouldn't seal, they may work on other brands I don't know.

Quote from Dart:

Quote:

Exhaust Port Dim:
(As cast) 1.720"w x 1.680"h, (F/P) 2.100"w x 1.800"h
Exh Port Location:
Raised .900" Std chevy bolt pattern
Exhaust Gasket:
Mr Gasket 5914

I found an article on Yellow Bullet - Post #6 at http://www.yellowbullet.com/forum/sh...d.php?t=537267 that may be helpful. He also mention's the exhaust angle is 18* - on the 18* Big Chief's.

It's - that post - a good reminder, that all exhaust ports must be checked with anyone's headersmanifolds that the port / header opening's match. I've run into these issues with standard stuff. 23* SBC even.

This is the way I've used to check both. Works pretty slick and a little more accurate than using a gasket to check.
http://youtu.be/ijlPwA7W29M