scottwetzel Posted February 13, 2015 Share Posted February 13, 2015 Slightly off topic.... Where did you run your boost/vacum line to on your engine to set up a boost gauge? I'd like to run a boost gauge but didn't know where I should plumb it too. Quote Link to comment https://www.bigmacktrucks.com/topic/38870-e7-350-mechanical-is-it-time-for-a-bigger-turbo-experts-needed/page/2/#findComment-278830 Share on other sites More sharing options...
dds92780 Posted February 13, 2015 Author Share Posted February 13, 2015 I will have to look but from what i remember DO NOT run it into the intake side on the left. It will cause bad readings and shaky bouncing needle on the gauge. If i remember correctly i put it on the passenger side somewhere on the top of the engine area. I can look later for you though and take a picture. Quote Slow and Steady Wins the Race! Link to comment https://www.bigmacktrucks.com/topic/38870-e7-350-mechanical-is-it-time-for-a-bigger-turbo-experts-needed/page/2/#findComment-278834 Share on other sites More sharing options...
masterwelder Posted February 13, 2015 Share Posted February 13, 2015 There are threaded ports in your intake manifold where you can install a sensing line to go to your boost gauge. If your gauge fluctuates too much with your sensing line hooked to the manifold you may need to install a port in your charge air piping where it comes from your charge air cooler just before your manifold. Quote Link to comment https://www.bigmacktrucks.com/topic/38870-e7-350-mechanical-is-it-time-for-a-bigger-turbo-experts-needed/page/2/#findComment-278836 Share on other sites More sharing options...
dds92780 Posted February 13, 2015 Author Share Posted February 13, 2015 There are threaded ports in your intake manifold where you can install a sensing line to go to your boost gauge. If your gauge fluctuates too much with your sensing line hooked to the manifold you may need to install a port in your charge air piping where it comes from your charge air cooler just before your manifold.Yes thats what i did! Quote Slow and Steady Wins the Race! Link to comment https://www.bigmacktrucks.com/topic/38870-e7-350-mechanical-is-it-time-for-a-bigger-turbo-experts-needed/page/2/#findComment-278850 Share on other sites More sharing options...
scottwetzel Posted February 13, 2015 Share Posted February 13, 2015 Ok I'm gonna take it into the manifold and see how she works. Btw good luck with the upgrade turbo install. I always thought about that as well. Someone has cranked my pump up before I got the truck because the truck pours black smoke. Maybe a turbo upgrade is in my future..... Hmmmmmmm. Lol Quote Link to comment https://www.bigmacktrucks.com/topic/38870-e7-350-mechanical-is-it-time-for-a-bigger-turbo-experts-needed/page/2/#findComment-278853 Share on other sites More sharing options...
dds92780 Posted February 23, 2015 Author Share Posted February 23, 2015 Still looking for useful info on this topic. It turns out that i will need a 5 inch exhaust to get this bigger turbo. I am not going crazy and going with a 460 hp turbo though. I am going for a s400 turbo 400-427 hp with 1.25 EH. is this a bad idea? where do i get a 5 inch exhaust? Quote Slow and Steady Wins the Race! Link to comment https://www.bigmacktrucks.com/topic/38870-e7-350-mechanical-is-it-time-for-a-bigger-turbo-experts-needed/page/2/#findComment-280365 Share on other sites More sharing options...
theakerstwo Posted February 24, 2015 Share Posted February 24, 2015 Call mack Quote glenn akers Link to comment https://www.bigmacktrucks.com/topic/38870-e7-350-mechanical-is-it-time-for-a-bigger-turbo-experts-needed/page/2/#findComment-280432 Share on other sites More sharing options...
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