arlogger Posted September 28, 2013 Share Posted September 28, 2013 trying to buy this truck w e7 ... in 05 mack did some kind of emissions update on this trk .. im use to an ole e6 smoking !!! this e 7 seems to be somewhat under power and no smoke [black] at all!! what are my options as far as bigger injectors and a bigger turbo ? hauling logs and pulling a pup so i need all the power i can get. IL dyno center has a chip but wondering if there isnt more ? Quote Link to comment https://www.bigmacktrucks.com/topic/32949-98-rd-mack/ Share on other sites More sharing options...
rsb502 Posted September 29, 2013 Share Posted September 29, 2013 Is this an etech or Bosch pump vmac 1 truck? Quote "Any Society that would give up a little LIBERTY to gain a little SECURITY will Deserve Neither and LOSE BOTH" -Benjamin Franklin"If your gonna be STUPID, you gotta be TOUGH" "You cant always get what you want, but if you try sometimes you get what you need" Link to comment https://www.bigmacktrucks.com/topic/32949-98-rd-mack/#findComment-208890 Share on other sites More sharing options...
arlogger Posted October 2, 2013 Author Share Posted October 2, 2013 im not dead certain but i believe it to be a vmac 1 ....i have found some hi performance parts at Rochester fuel injection and also IL dyno center. Quote Link to comment https://www.bigmacktrucks.com/topic/32949-98-rd-mack/#findComment-209576 Share on other sites More sharing options...
theakerstwo Posted October 2, 2013 Share Posted October 2, 2013 If you will leave the engine along it will run for ever.98 could be a VMAC11 or ETEC Quote glenn akers Link to comment https://www.bigmacktrucks.com/topic/32949-98-rd-mack/#findComment-209602 Share on other sites More sharing options...
boyd Posted October 4, 2013 Share Posted October 4, 2013 You would be better of changing your gear train rather than to mess with the fuel or turbo setup. As far as making it smoke, that ain't gonna happen.. The last real smokers we had was in a 4 valve Mack engine in 1989 and you could do a lot of tweaking with those. But all that has changed.. With all engine manufacturers... Quote Link to comment https://www.bigmacktrucks.com/topic/32949-98-rd-mack/#findComment-210059 Share on other sites More sharing options...
jakebrake86 Posted October 4, 2013 Share Posted October 4, 2013 You would be better of changing your gear train rather than to mess with the fuel or turbo setup. As far as making it smoke, that ain't gonna happen.. The last real smokers we had was in a 4 valve Mack engine in 1989 and you could do a lot of tweaking with those. But all that has changed.. With all engine manufacturers...I'd have to respectfully disagree with that statement. My '96 RD with an all manual E7 350 rolls coal like a freight train. Quote Jake Link to comment https://www.bigmacktrucks.com/topic/32949-98-rd-mack/#findComment-210074 Share on other sites More sharing options...
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