posted December 12, 2004 06:56 PM
i bought a gm two barrel intake that was modifed my question is when they bored the ports under the carb they went a little to big and now there is a spot about a inch that is open between the two ports will this effect the proformace of the intake or not ?
BIGDADDYBOZ Dirt Freak
Total posts: 466
posted December 12, 2004 07:48 PM
There are alot of factory 2bbls that have the hole in between the two ports.
Ego Racing Dirt Forum Champ
Total posts: 724
posted December 13, 2004 06:18 AM
It evens out the carb feeding the motor. On the Z/28 aluminum intake for a 4bbl it is supposed to pick up aroung 10-20hp by adding a 1/2- 3/4 inch deep 1-1 1/2 inch cut at the top of the divider.