Russ Wildfong Posted January 4 Share Posted January 4 Hey I’m working on an E7 350 with the Econo advance. It was running awful so I got the heads rebuilt and just got them back on. Now we can’t get fuel through the pump. Took the pump and econo off and sending it away to rebuild. Should a guy switch it over to mechanical pump or stick with the factory setup? Quote Link to comment https://www.bigmacktrucks.com/topic/74616-converting-e7-400-back-to-mechanical/page/3/#findComment-565337 Share on other sites More sharing options...
Macktruckman Posted January 5 Share Posted January 5 Well i made the switch to mechanical because I put the vmac 400 in an old 1978 R-685. So i didn’t have any of the electronics or the throttle pedal assembly and wiring harness. But it turned out to not be quite as simple as I had anticipated. I wound up having to do away with the econovance all together. I thought I would be able to leave it and use my old EM6-285 pump. But I wound up having to hunt down a full mechanical E7 pump and it’s currently at antrim diesel being rebuilt. By doing away with the econovance you also have to buy new injector lines because the injector pump will now bolt several inches foward directly into the back of the gear case. The lines can be purchased PAI makes them. Unfortunately they only want to sell them in packages of two lines per part number and package. So you have to two of each of the 6 lines you need. It’s stupid. You will wind up with 2 full sets of lines for double the price. Lol. I would sell my E7-400 VMAC injection pump and the econovance and injection lines. Was all running i just needed to switch to mechanical for use in the old truck. Josh Quote Link to comment https://www.bigmacktrucks.com/topic/74616-converting-e7-400-back-to-mechanical/page/3/#findComment-565470 Share on other sites More sharing options...
fjh Posted January 5 Share Posted January 5 14 minutes ago, Macktruckman said: Well i made the switch to mechanical because I put the vmac 400 in an old 1978 R-685. So i didn’t have any of the electronics or the throttle pedal assembly and wiring harness. But it turned out to not be quite as simple as I had anticipated. I wound up having to do away with the econovance all together. I thought I would be able to leave it and use my old EM6-285 pump. But I wound up having to hunt down a full mechanical E7 pump and it’s currently at antrim diesel being rebuilt. By doing away with the econovance you also have to buy new injector lines because the injector pump will now bolt several inches foward directly into the back of the gear case. The lines can be purchased PAI makes them. Unfortunately they only want to sell them in packages of two lines per part number and package. So you have to two of each of the 6 lines you need. It’s stupid. You will wind up with 2 full sets of lines for double the price. Lol. I would sell my E7-400 VMAC injection pump and the econovance and injection lines. Was all running i just needed to switch to mechanical for use in the old truck. Josh I'm sad to hear PAI is playing the Mack game Mack sells stuff in packages of ten!🙄 1 Quote Link to comment https://www.bigmacktrucks.com/topic/74616-converting-e7-400-back-to-mechanical/page/3/#findComment-565471 Share on other sites More sharing options...
Joseph Cummings Posted January 5 Share Posted January 5 1 hour ago, Macktruckman said: Well i made the switch to mechanical because I put the vmac 400 in an old 1978 R-685. So i didn’t have any of the electronics or the throttle pedal assembly and wiring harness. But it turned out to not be quite as simple as I had anticipated. I wound up having to do away with the econovance all together. I thought I would be able to leave it and use my old EM6-285 pump. But I wound up having to hunt down a full mechanical E7 pump and it’s currently at antrim diesel being rebuilt. By doing away with the econovance you also have to buy new injector lines because the injector pump will now bolt several inches foward directly into the back of the gear case. The lines can be purchased PAI makes them. Unfortunately they only want to sell them in packages of two lines per part number and package. So you have to two of each of the 6 lines you need. It’s stupid. You will wind up with 2 full sets of lines for double the price. Lol. I would sell my E7-400 VMAC injection pump and the econovance and injection lines. Was all running i just needed to switch to mechanical for use in the old truck. Josh Not sure if they have the right stuff or if it's useful without lots of work, but if you wanted to modify injection lines https://cohpro.com/product-category/metal-tube-fittings/diesel-fuel-injection/ 1 Quote Link to comment https://www.bigmacktrucks.com/topic/74616-converting-e7-400-back-to-mechanical/page/3/#findComment-565472 Share on other sites More sharing options...
Joseph Cummings Posted January 5 Share Posted January 5 1 hour ago, Macktruckman said: Well i made the switch to mechanical because I put the vmac 400 in an old 1978 R-685. So i didn’t have any of the electronics or the throttle pedal assembly and wiring harness. But it turned out to not be quite as simple as I had anticipated. I wound up having to do away with the econovance all together. I thought I would be able to leave it and use my old EM6-285 pump. But I wound up having to hunt down a full mechanical E7 pump and it’s currently at antrim diesel being rebuilt. By doing away with the econovance you also have to buy new injector lines because the injector pump will now bolt several inches foward directly into the back of the gear case. The lines can be purchased PAI makes them. Unfortunately they only want to sell them in packages of two lines per part number and package. So you have to two of each of the 6 lines you need. It’s stupid. You will wind up with 2 full sets of lines for double the price. Lol. I would sell my E7-400 VMAC injection pump and the econovance and injection lines. Was all running i just needed to switch to mechanical for use in the old truck. Josh Lots of stuff in this place too including lines, you have to look around the site https://www.granit-parts.us/e/search?q=injection Quote Link to comment https://www.bigmacktrucks.com/topic/74616-converting-e7-400-back-to-mechanical/page/3/#findComment-565473 Share on other sites More sharing options...
Popular Post Joseph Cummings Posted January 5 Popular Post Share Posted January 5 1 hour ago, fjh said: I'm sad to hear PAI is playing the Mack game Mack sells stuff in packages of ten!🙄 Like this damn scam, you always end eating two on slices of bread and feeling ghetto 4 Quote Link to comment https://www.bigmacktrucks.com/topic/74616-converting-e7-400-back-to-mechanical/page/3/#findComment-565475 Share on other sites More sharing options...
SelfloaderMack Posted January 12 Author Share Posted January 12 On 11/27/2024 at 6:07 PM, Macktruckman said: I need a 7000 series (P7100) numbers would be 0 402 746 852 PES6P120A720R57157 thank you Josh Macktruckman haven't been on here in a while but I got my pump through the engine parts super store, those same numbers and it was like $4800, hope that helps Quote Link to comment https://www.bigmacktrucks.com/topic/74616-converting-e7-400-back-to-mechanical/page/3/#findComment-566246 Share on other sites More sharing options...
Macktruckman Posted January 13 Share Posted January 13 Thank you for the heads up. I was able to find a core mechanical E7 pump and its at antrim now getting new 400 plungers and barrels and complete work over to match a turbo and injectors they sold me. Now if I can find the injector lines and figure out how to pay for it all. Lol. josh Quote Link to comment https://www.bigmacktrucks.com/topic/74616-converting-e7-400-back-to-mechanical/page/3/#findComment-566303 Share on other sites More sharing options...
cruiseliner64 Posted January 13 Share Posted January 13 59 minutes ago, Macktruckman said: Thank you for the heads up. I was able to find a core mechanical E7 pump and its at antrim now getting new 400 plungers and barrels and complete work over to match a turbo and injectors they sold me. Now if I can find the injector lines and figure out how to pay for it all. Lol. josh Ah dont worry about money it always works out in the end...We spent a fortune(a fortune to us anyway) on our Cruiseliner and still not finnished!!!. Paul Quote Link to comment https://www.bigmacktrucks.com/topic/74616-converting-e7-400-back-to-mechanical/page/3/#findComment-566310 Share on other sites More sharing options...
Macktruckman Posted January 13 Share Posted January 13 Lol. I always seem to scrape together just enough to make it somehow. And im jealous btw, i love the look of cruiseliners. josh 1 Quote Link to comment https://www.bigmacktrucks.com/topic/74616-converting-e7-400-back-to-mechanical/page/3/#findComment-566354 Share on other sites More sharing options...
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