New 340 should I use X or Edelbrocks???

Use the Xs.Unless you are road racing,run em.Been here,done that.Eddys,peak at [email protected] head porting shop I worked at,built a similar 340,healthy X's,11.7 comp,solid roller.Ran 11.70s with the Xs,118 traps.Customer wanted Eddys,worked them hard.All he picked up was a tenth.My .02.

Damn, those are familiar numbers.

My 340 with the original ported X heads, 11.7 compression, and Crower solid roller, also ran an 11.78 @ 118.