Backroadmatt Posted December 2, 2013 Share Posted December 2, 2013 I'm looking at buying a mack... I found an 07 and an 08.... Which is better, I know they changed engines, which is the safer bet Quote Link to comment Share on other sites More sharing options...
felicello122 Posted December 2, 2013 Share Posted December 2, 2013 Need more info and specs for each. Quote Link to comment Share on other sites More sharing options...
daisyjohn Posted December 10, 2013 Share Posted December 10, 2013 Hi 08 is better to buy then 07. Quote Link to comment Share on other sites More sharing options...
brutis77 Posted December 10, 2013 Share Posted December 10, 2013 07, 08 s are a pain with the emissions. When it's time to burn you lose power no matter what's going on and more money to clean filter. Quote Link to comment Share on other sites More sharing options...
mack mhe9 Posted December 10, 2013 Share Posted December 10, 2013 Why can't you cut the filter and see if you can put in a straight pipe, maybe drill a couple holes so the sensors see pressure but all the sute goes out the pipe. Let it do it job just restrict the crap going into the filter? Quote Link to comment Share on other sites More sharing options...
farmer52 Posted December 10, 2013 Share Posted December 10, 2013 Why can't you cut the filter and see if you can put in a straight pipe, maybe drill a couple holes so the sensors see pressure but all the sute goes out the pipe. Let it do it job just restrict the crap going into the filter?I am no expert on this but I remember the OEs designing the system to be "tamper proof". The computer senses some backpressure so if one removes the filter it will throw a code and possible derate because the BP is too low. Again, no expert but this is what I remember from my "working days". Quote Ken PRR Country and Charter member of the "Mack Pack" Link to comment Share on other sites More sharing options...
mack mhe9 Posted December 10, 2013 Share Posted December 10, 2013 I understand yet you would think there's a way to trick the computer. That filter things a challenge. I've been looking at 2007 and older cause you could change the eng and just do what you have to. 08s and newer will always have a filter and the computer systems are harder to fool. My opp. Quote Link to comment Share on other sites More sharing options...
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