Racingjunk Forums - View Single Post - 305 AFR too small for 509cid?

11-08-2008, 11:18 AM

#2

russ67chevelle

Senior Member

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Join Date: Jan 2005

Posts: 336

GUESSING YOUR OPERATING RANGE IS 4500-7200 ID THINK THAT HEAD IS A TAD SMALL BUT NOT HORRIBLE.

IF YOUR CAR IS OVER 3000 LBS ID LEAN TWARDS THESE HEADS IF LESS LIKE ALTERED OR RED ID CONSIDER A LITTLE BIGGER

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