Stock
cfm. 		Ported
cfm. 		net gain
cfm. 		net gain
HP.
Big Block Chev
Dart Pro-1
Bow Tie Alum W-port
Rec port Merlin
Oval port Merlin
Small Block Chev
Dart Pro-1
Dart Iron Eagle, 215 cc
Dart 220
World Sportsman
World S.R.
Vortec
Brodix T-1
Brodix 11X
Bow Tie Alum
Bow Tie Iron
Stock 462 casting
Small Block Ford
World Windsor Jr.
World Windsor Sr.
Stock E7TE casting
Dodge V-10
1993 Viper (alum)
1994 Pick Up (iron)
Honda Motorcycle & Quad
400cc quad
1973 750cc 4 cyl




--------
312.8
285.8
319.7
282.0
--------
271.4
273.6
257.6
232.0
212.6
228.2
276.6
277.3
223.5
226.7
207.6
--------
231.3
238.2
153.2
--------
206.4
204.5
--------
206.4
95.8		 --------
355.2
339.1
345.1
325.7
--------
289.9
302.9
285.4
278.0
242.0
252.6
299.4
301.8
258.9
262.0
239.1
--------
268.9
273.6
186.0
--------
234.5
228.3
--------
226.6
109.1		 --------
42.4
53.3
25.4
43.7
--------
18.5
29.3
29.8
46.4
29.4
24.4
22.8
24.5
35.4
35.3
31.5
--------
37.6
35.4
32.8
--------
28.1
23.8
--------
20.2
13.3		 --------
87.4
109.7
52.3
89.8
--------
38.2
60.2
57.1
95.3
60.5
52.2
46.8
50.6
79.9
72.6
64.7
--------
77.4
72.9
67.4
--------
72.2
61.1
--------
5.2
13.8