[Todd Hedges]

ItBites,
Interesting information.
Here's what I come up with from K&N

with a 428 (430ci to cover over-bore) at 6,000rpms I get the following area for the filter:

A=(430*6000)/20839 = 126 SqIN

With the 9" X-treme top if figure the following area;
A=(3.141593 * 16) = 50.23 SqIN

That leeaves me with trying to get 76 SqIN out of the filter:
H=(76/(9*3.14) ) + .75 = 3.44 inches high.

No way his will fit under the hood.
Any suggestions?

9" dia is the largest hat will fit in the turkey pan.
Is there a "drop base" that will fit a 9" round filter
and not interfer with throttle linkage?

Is there anyone else running a taller 9" dia filter
with a 428 in an ERA?