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Quick Fuel Pump Question.

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Quick Fuel Pump Question.

Post by ctwg60 on Wed Aug 19, 2009 1:22 pm

Can someone explain if the VR/G60 4bar fuel pump 1H0919615Q produces 4 bar maximum or 4 bar minimum and what a 3 or 3.5 bar rising rate bosch fpr will produce with 0.5 bar of manifold manifold pressure. It's a lazy question I know but there you go.

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Re: Quick Fuel Pump Question.

Post by Toad on Wed Aug 19, 2009 2:42 pm

I don't know about the pump, but I assume it's a certain flow at 4 bar.

The RR FPR will depend on the rate it's set to I think, i.e. depends if it's at 1:1 or 1:10.

Could be totally wrong though
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Re: Quick Fuel Pump Question.

Post by kevhaywire on Thu Aug 20, 2009 4:32 am

The regulator governs what pressure the pump delivers. Pumps deliver their max free flow all the time, but some have lock outs and physically won't exceed a certain pressure demand. As demand (pressure) increases, flow reduces so although the VR6 pump can deliver more than 4 bar, it may not necessarily deliver enough flow at 4+ bar. Depends on the engine's fuel demand.

For boost, I personally would consider anything less than a Walbro GSS340. Drops right into the VW pump housing and is high pressure specific. 244lph @ 40psi, 217lph @ 60psi.

I have run 8psi on the standard VR6 pump (4.5 bar rail pressure) but it was pretty damn close to the edge for comfort....

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Re: Quick Fuel Pump Question.

Post by ctwg60 on Thu Aug 20, 2009 8:18 am

kevhaywire wrote:I have run 8psi on the standard VR6 pump (4.5 bar rail pressure) but it was pretty damn close to the edge for comfort....

So the VR pump can deliver 4+ bar but not necessarily enough fuel at those pressures. I knew you'd answer this one Kev! Very Happy

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Re: Quick Fuel Pump Question.

Post by ctwg60 on Thu Aug 20, 2009 8:37 am

OK another question...

Is this a VR4 bar fuel pump? 1H0919615Q F000TE0111. As this is what i have to fit to my car. I don't want to go to all the trouble if it's not right. I bought it New 2nd hand off the c forum.

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Re: Quick Fuel Pump Question.

Post by Toad on Thu Aug 20, 2009 2:10 pm

Looks right from ETKA.
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Re: Quick Fuel Pump Question.

Post by ctwg60 on Thu Aug 20, 2009 2:13 pm

There seem to be two differnet ones and they don't look the same. funnily. does this one look right?

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Re: Quick Fuel Pump Question.

Post by Toad on Thu Aug 20, 2009 2:18 pm

There's 2 pumps, they changed manufacturers at some point, hence needing a different level sender if you replace an old pump with a new one.

I have had a VR pump in my hand, but I can't remember exactly what it looked like.

If you decide you don't want that one. I'll buy it off you.
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Re: Quick Fuel Pump Question.

Post by ctwg60 on Thu Aug 20, 2009 2:20 pm

OK! Smile

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Re: Quick Fuel Pump Question.

Post by kevhaywire on Fri Aug 21, 2009 1:29 am

That pump doesn't look right to me, but if it slots into the petrol tank OK it should work.

Yeah the VR6 pump can probably supply 5 bar or more, but the flow will drop significantly. Should be enough for your 4 pot engine though.

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Re: Quick Fuel Pump Question.

Post by ctwg60 on Fri Aug 21, 2009 3:02 am

OK just did a quick test of the fuel pressure in the rail 2.6 bar at idle or below 0.5bar map vacuum. 3 bar at atmospheric pressure 1 bar and a maximum of 4 bar or there abouts at maximum boost/rev limit 1.75 bar map.

Non lazy way now!

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Re: Quick Fuel Pump Question.

Post by ctwg60 on Fri Aug 21, 2009 3:03 am

Oh anyone know if it's illegal to duct tape a fuel pressure gauge to your windscreen?

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Re: Quick Fuel Pump Question.

Post by kevhaywire on Fri Aug 21, 2009 3:10 am

It probably is, but I've done it before Very Happy

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Re: Quick Fuel Pump Question.

Post by ctwg60 on Fri Aug 21, 2009 5:42 am

OK the fuel pump is not correct for the car, Tom are you still interested. Looks like it will fit into the tank but and hook up to the electrics with some rewiring but there is no where to mount the fuel sender! Crying or Very sad

So where the best place to get a pieberg VR6 direct replacement fuel pump or anyone know the part number for it so I don't have to pay VW loads of money for one?

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Re: Quick Fuel Pump Question.

Post by ctwg60 on Fri Aug 21, 2009 5:43 am

Oh I also learnt fuel spray in and around the eyes burns like motherfucker but you will not be blinded or die. And also how to fit a boot tidy, well I was there so... Laughing


Last edited by ctwg60 on Fri Aug 21, 2009 8:37 am; edited 1 time in total

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Re: Quick Fuel Pump Question.

Post by ctwg60 on Fri Aug 21, 2009 7:51 am

Ordered a fuel pump from TPS £109. Not bad it'll be here tomorrow. The one I have will work with the later VR sender. It would just the current adapter loom removing. Bummer for me. £50 it yours Tom.

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Re: Quick Fuel Pump Question.

Post by Toad on Fri Aug 21, 2009 3:14 pm

Bummer. Sad Could the sender not be cobbled on the side somehow?

Yeah, I'll take it. How do you want payment?
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Re: Quick Fuel Pump Question.

Post by ctwg60 on Sat Aug 22, 2009 4:37 am

No I don't think so. I'll pm paypal details.

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Re: Quick Fuel Pump Question.

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