fuel pumps for 500bhp on 750cc injectors plus 4bar fpr

[badger5]

what sort of setups do you run for fuel pumps for the higher bhp motors?
Walbro stories of fuel pickup problems (and requirement for swirlpots etc) put me off.

I currently run Audi S3 in tank pump which then feeds a golf Gti (mk1) in-line fuel pump.  a concern pointed out to me from a friend who ran similar setup was the intake fuel of the in-line pump he used sucked flat as if it was starved by the in tank pump.  mines never done this, been fitted & running since Oct 2005, but the in-line pump has always been noisy.

Do you think its sukcing too hard and being restricted on flow?  never had a fueling issue from insuffient fuel.

[Loxias]

I am not sure if the vf engineering would be enough for your setup but take a look at it http://www.vf-engineering.com/vf_old/fuelpump.htm.
This would be a nice replacement of your S3 pump and maybe change the inline with a walbro(isn't so noisy when used as inline)!

[enginerd]

stock pump can flow like crazy at low pressures.



re-wiring it with a nice 10 gauge wire wouldn't be a bad idea though.