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BoostedG6E

Upgrading Fuel Pump

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Hey, I’m currently in the process of upgrading my fuel setup now I’ve chosen to go with a walbro 460 intank pump for now and eventually get a surge done. Now two things I’m unsure about are will I need to run a fuel regulator once the 460 is installed? And I’m also thinking of going e85 very soon, after the pump is can I just get it tuned for e85 is there anything else required? Currently running Bosch 1000cc injectors.

Thanks, 

Chris

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you don't strictly need to run a regulator with that setup, but it helps with the tuning process.

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I'd suggest buying a couple of fuel filters as you'll probably block at least one when you switch to alcohol. Check your injector screens after a while too. I found that a couple of mine were harder to blow through after switching to e85.

 

If you're keen chuck in a battery feed to the intank with a relay etc. Walbro recommend upgrading factory wiring for the 460.

 

An aftermarket reg isn't necessary but it's kinda half assed not to use one. Get onto IMS as they've done some reg testing and found some work better than others. 

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Hey fella's, interesting I just came across your post. I'm just going through a similar dilemma regarding this topic. I've installed the Walbro 460 pod on my XR6T BA Ute & will be running 1000cc injectors BUT thoughts on the fuel pressure regulator? I see some stay with the standard 4bar others replace it with a 3.3bar or other? I'm unsure of the facts behind the theory... if anyone can explain, that be appreciated? I do assume it has something to do with using E85 & 98... or larger injectors requiring more/less? The old one I pulled out of mine was a 4bar... but which shall I replace it with after the fuel mods... thoughts?

 

tx ;-)

Edited by Leftabouturns
spelling

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If you change the fuel pressure you have to change the tune. The stock reg  has to be changed (or modified) to suit the increased volume of fuel it has to pass

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Yes, thanks for that... concerning the more particulars regarding walbro 460lph + 1000cc injec. & best suitable bar fuel pressure regulator to run & why?

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On 06/10/2018 at 8:56 AM, BoostedG6E said:

Thank you, Any recommendations for a fuel regulator? 

 

mate I have a modified reg that bolts to the OEM rail. KPM sell them as part of their 460 intank kit which I used to run perfect for your 460 setup. Looks stock. 

 

Im runing a FPR 1200 now.

 

Yes you will need to upgrade your wiring and run a good quality relay and fuse setup. 

 

$50 PM me if you’re interested.

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Whats the deal with upgrading wiring and is it recommended or needs to be done as I am installing my 460 this Saturday and car gets tuned Monday, don't have time this weekend to do the wiring lol. Already have to change regulator, injectors, install high flow cat and fit the 460 pump on Saturday and cant work on it sunday.

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Get up a few hours earlier mate and get it done or put the tune off. 

 

You don't want to be changing the fuel flow that much without having it checked again so you may as well do it before to save money. 

 

As far as it being recommended, walbro say it's required. 

 

https://walbrofuelpumps.com/walbro-f90000267-fuel-pump-e85

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Hi guys, I have bought a kpm 700hp intank pump, it's a 540lph anti surge unit and it came with a replacement hi flow stock looking fuel regulator. Its advertised as a plug in unit, no wiring upgrades necessary. I thought it would have needed a wiring upgrade due to being a much higher flowing pump. What do you guys think or know? Also if I install this can I drive it without a tune? I still have stock fg injectors, I'm waiting on id1050x injectors. Thanks for all replys.

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Mine is wired off the battery with a relay. 

Just get you tuner to  install it all when you get the injectors and tune. 

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