Bliue dm Posted April 9, 2019 Share Posted April 9, 2019 Hello everyone. I'm sure you guys can help me for you have all provided me spot on advice in the past so here we go. 94 rd. Had a e7 400 with electronic foot pedal with a Bosch injector pump. Truck was purchased with blown motor. We brought a 97 e7 454 semi electronic to put in its place. We are using the flywheel of the e7 400 cause we had that one resurfaced. Now. Truck wont start. Now I will not fill this thread with the things I have already read because I wont a from scratch opinion. Other problem. On that Bosch pump what's the feed and what's the return. When they swapped motor they didnt remember the fuel flow. I do know on our old e7 tip turbine , return is coming from front of pump. Quote Link to comment https://www.bigmacktrucks.com/topic/56655-semi-electronic-starting-issue/ Share on other sites More sharing options...
fjh Posted April 9, 2019 Share Posted April 9, 2019 (edited) The transfer pump sucks thru the primary (red) filter pushes fuel to the secondary (green) filter to the back port on the fuel pump and fuel returns to the tank on the foward outlet of the pump Make sure you set the flywheel sensor one half turn away from the flywheel if you have Disturbed it ! Edited April 9, 2019 by fjh Quote Link to comment https://www.bigmacktrucks.com/topic/56655-semi-electronic-starting-issue/#findComment-420283 Share on other sites More sharing options...
Bliue dm Posted April 11, 2019 Author Share Posted April 11, 2019 So Does the cut flywheel make a difference? Does the little computer make difference between horsepower or anything? Quote Link to comment https://www.bigmacktrucks.com/topic/56655-semi-electronic-starting-issue/#findComment-420384 Share on other sites More sharing options...
fjh Posted April 11, 2019 Share Posted April 11, 2019 NO! However the flywheel has to be original or from a similar vmac engine! Quote Link to comment https://www.bigmacktrucks.com/topic/56655-semi-electronic-starting-issue/#findComment-420407 Share on other sites More sharing options...
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