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  • less WHY; more WOT
  • Site Developer
  • Member For: 18y 5m 6d
  • Gender: Male
  • Location: Melbourne
Posted

for 320rwkw, a GSS340 is plenty for an in-pod pickup pump and provides the pickup abilities for surge-tank setups if you go that way for more power in the future.

  • Like 2
  • Legacy Donating Member
  • Member For: 11y 4m 25d
  • Gender: Male
  • Location: Canberra ACT
Posted

Plus if you went the 460, you'd have to modify your return and possibly need a new regulator to keep your fuel pressure correct.

My FG is about that power and I've got the pump Keith mentioned above. You could probably get away with a factory FG pump, but I'd rather know the pump could easily keep up.

  • New Member
  • Member For: 14y 7m 8d
Posted

yeah we went to dyno it but had some issues so tuner suggested could be the fuel pump
and I guess it's better to be safe then sorry

  • 5 weeks later...
  • Member
  • Member For: 7y 9m 12d
  • Location: New zealand
Posted

Have any of you guys used a kpm motorsports 700hp fuel module, anti surge pump? I see it uses a 540lph walbro, that's pretty huge.

  • Legacy Donating Member
  • Member For: 8y 4m 7d
Posted

If you buy the 460 you will need to switch the fuel regulator, GFB make a bolt in unit that's will solve the problem.

the issue is the stock reg has quiet a small return hole, so when you get a big boy fuel pump the fuel cant actually return to the tank fast enough and you end up over pressurizing your fuel feed.

You will also need to upgrade the power cables to the cradle, as that pump will eat around 22amps and the stock wiring is proberly only good for 14a.

 

320 Kw you will proberly only need around 200 LPH of fuel flow, have you considered just using a 255lph drop in fuel pump?

this would mean you dont have to change the fuel pressure regulator, nor the wiring.

 

if you plan to use the car in a way that the fuel will slosh around, like hard cornering accelerating for bulk periods of time, then you might actually be better with a surge tank and pump setup. for that power level you could use your stock in-tank pump as a lift pump and fit whatever pump you want tot he surge tank to guarantee its allways got fuel flow.

usually the surge tank will be closer to the engine bay to, so running the upgraded fuel pump wiring is somewhat easier.

  • Member
  • Member For: 10y 11m 8d
  • Gender: Male
  • Location: Mildura
Posted

If you don't upgrade your wiring and plug, you'll end up with this..

You should do it like this...IMG_20190602_152949.jpgIMG_20190604_151718.jpg

  • ...JD TUNING ADELAIDE...
  • Legacy Donating Member
  • Member For: 18y 3m 16d
  • Gender: Male
  • Location: Adelaide
Posted

What size is the fuse ;) 

 

usually a dead giveaway....... 

  • Like 1

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