I had been trying to figure out a way to get the amount of air I need into both the engines I've had/have for sometime now.First was a FMS 392w and now my 418w.
Using K & N's formulas I knew I needed 136.4 sq in of effective filtering area.
I have beening using a 9" K&N filter,2.75" height,with their filter top.It gave me 69.12 sq in. Just about HALF of what I needed for the 418w !
After reading about RD's 14" drop base a light came on.My big block '67 Camaro has a 1.25" drop base K&N filter.Pulled it off and sat it on my Cobra's carb.
It fit with 1/2" to spare.Even with the 1" carb spacer on the victor jr.
I ordered a new K&n extreme filter assembly with the filter top,came in yesterday.
Now have the problem solved,finally.
A 14 x 3 filter has a EFA of 98.96 sq in. 14" filter top is 63.62 sq in. Total of 162.58 sq in. Needed 136.4 sq in.
RD,THANKS !!! 