Posted 1/3/2014 11:07 (#3570034 - in reply to #3569341) Subject: Re: E7 Mack engine ?
We have an 04 613 w E7 427 coupled to a Mack 13 spd. Only complaint on the engine is it's a little doggy starting out but once engine hits 1000 rpms or so it like a booster kicks in & it takes off. Doesn't use any oil and runs smooth.