Rating the Intakes for Performance on a 340 or 360.
Make--------------------------------------------------Port Size--------Carb Height------Weight
Edelbrock Performer #2176 ................................ .97" x 1.95" ........... 4.63" ......... 21.2 lbs.
Weiand Action-Plus #8007................................. 1.00" x 1.96" ........... 5.41" ......... 23.2 lbs.
Weiand #7510....................................................
Edelbrock #LD-4B............................................... 1.05" x 1.95" ........... 4.90" ........ 22.5 lbs.
Edelbrock Torker 340......................................... 1.00" x 2.10" ............ 4.90" ........ 22.0 lbs.
'1970' 340 'Stock' Cast Iron #3462848.............. 1.07" x 2.15" ............. 5.35" ....... 51.0 lbs.
'1968/1969' 340 'Stock' Cast Iron #2531915.... 1.07" x 2.15" ............. 5.35" ....... 51.0 lbs.
'1971' 340 'Stock' Cast Iron #3512100............. 1.07" x 2.15" .............. 5.35" ....... 49.5 lbs.
Weiand Stealth #8022....................................... 1.00" x 1.96" .............. 5.51" ....... 22.2 lbs.
Weiand X-Celerator #7510-X.............................
Holley Street Dominator #300-7.......................
Edelbrock Torker II #5076................................ .98" x 2.16" ................. 5.72" ....... 19.2 lbs.
Weiand #7507........................................................................................ 5.35"
Offenhauser 360* Equa-Flow .................
Offenhauser 360* Dual-Port #6006.................. 1.10" x 1.18" {Upper}... 5.20" ....... 22.0 lbs.
......................................................................... 1.10" x 0.75" {Lower}
Mopar Performance #4876335.......................... 1.07" x 2.15" ................5.25" ........ 19.6 lbs.
Edelbrock #LD-340............................................ 1.07" x 2.16" ............... 5.30" ........ 23.1 lbs.
Edelbrock Performer RPM #7176...................... 1.01" x 2.17" ............... 5.35".......... 21.0 lbs.
Weiand X-Celerator #7545............................... 1.10" x 2.08" ............... 5.07" ......... 22.0 lbs.
Weiand X-Terminator.......................................
Edelbrock Performer Air-Gap #7576................. 0.98" x 2.16" ............... 5.35" ......... 22.6 lbs.
Edelbrock Tarantula #TM-5............................... 1.08" x 2.17" .............. 5.73" .......... 21.0 lbs.
Offenhauser Port-O-Sonic #6073......................
Edelbrock Victor #2915..................................... 1.02" x 2.04" ............. 4.93" ........... 21.2 lbs.
Holley Strip Dominator #300-8.......................... 1.16" x 2.27".............. 5.50" ........... 23.0 lbs.
Mopar Performance M-1 #4876334 ....................................................... 5.56"........... 20.7 lbs.
Edelbrock Super Victor #2815........................... 0.98" x 2.15" ............. 6.30" ........... 21.5 lbs.