CaptainCrutch Posted August 16, 2019 Share Posted August 16, 2019 Well as it turns out as soon as see get the mechanical fuel pump fixed the electric one at the back of the truck gives out... so we need a new one, does anyone know of any replacements for it, if provide more info but we’re on vacation right now and the shop just called us giving us the bad news... might be able to provide more information on Monday if it would help! Quote Who needs a back yard when you could have a Yard?! Link to comment https://www.bigmacktrucks.com/topic/58642-mack-ls-707-electric-fuel-pump/ Share on other sites More sharing options...
HarryS Posted August 16, 2019 Share Posted August 16, 2019 I'm not sure but the electric pump is probably an after market to assist at start up or help control vapor lock. Summit Racing has a variety of electric pumps. I'm looking at an Airtex 8902 6V 4# pressure for install on a pre war car. Quote Link to comment https://www.bigmacktrucks.com/topic/58642-mack-ls-707-electric-fuel-pump/#findComment-430198 Share on other sites More sharing options...
Freightrain Posted August 16, 2019 Share Posted August 16, 2019 I bought one of these: https://www.facet-purolator.com/cube/ for my Onan genset a few years back. Seems like a pretty solid little pump. Quote Larry 1959 B61 Liv'n Large...................... Charter member of the "MACK PACK" Link to comment https://www.bigmacktrucks.com/topic/58642-mack-ls-707-electric-fuel-pump/#findComment-430210 Share on other sites More sharing options...
CaptainCrutch Posted August 16, 2019 Author Share Posted August 16, 2019 It’s in the original wiring diagrams for the truck so I’m certain it’s a stock part but yes it is a backup pump, similar to how it has two ignition coils and 2 sets of spark plugs... Quote Who needs a back yard when you could have a Yard?! Link to comment https://www.bigmacktrucks.com/topic/58642-mack-ls-707-electric-fuel-pump/#findComment-430213 Share on other sites More sharing options...
Loadstar Posted August 18, 2019 Share Posted August 18, 2019 Carter p4070 is what I used..... Quote Link to comment https://www.bigmacktrucks.com/topic/58642-mack-ls-707-electric-fuel-pump/#findComment-430325 Share on other sites More sharing options...
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