My fuel pump keeps overheating..
i am using a car inline pump..it is rated at 400hp, it is a bosch pump.
i know it draws a lot of current, and is a bit to big for a bike.
does any one have any ideas..or a smaller inline pump that draws about 5 amps max
fuel pump overheating
Forum rules
Read the manual to see if your question is answered there before posting. If you have questions about MS1/Extra or MS2/Extra or other non-B&G code configuration or tuning, please post them at http://www.msextra.com The full forum rules are here: Forum Rules, be sure to read them all regularly.
Read the manual to see if your question is answered there before posting. If you have questions about MS1/Extra or MS2/Extra or other non-B&G code configuration or tuning, please post them at http://www.msextra.com The full forum rules are here: Forum Rules, be sure to read them all regularly.
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pommie02
Re: fuel pump overheating
I have found a smaller pump, Its a msd...it only draws 5 amps
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Matt Cramer
- Super Squirter
- Posts: 910
- Joined: Sat Jul 03, 2004 11:35 am
Re: fuel pump overheating
That should help; it sounds like your old pump was trying to move more fuel than your regulator could handle or just recirculating the fuel so fast it heated up faster.
Matt Cramer at DIY Autotune
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pommie02
Re: fuel pump overheating
Ok
it seems that my fuel pump is ok...the fuel is full of air !
i am going to use gravity feed for my pump, should i use a priming pump as i have no room for a surge tank ?
it seems that my fuel pump is ok...the fuel is full of air !
i am going to use gravity feed for my pump, should i use a priming pump as i have no room for a surge tank ?
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pommie02
Re: fuel pump overheating
now i have burnt out another pump...
i am using suzuki 750 throttle bodies, an inline pump which feeds the injector rail, i have fiited a retur which goes through a regulator which returns to the tank...i have ow burnt out 2 pumps.
on the original suzuki the pump is in the tank with a built in regulator which feeds the rail with no return
can i feed the rail and fit a regulator before the rail by use of a T and retrun to the tank ?
i am using suzuki 750 throttle bodies, an inline pump which feeds the injector rail, i have fiited a retur which goes through a regulator which returns to the tank...i have ow burnt out 2 pumps.
on the original suzuki the pump is in the tank with a built in regulator which feeds the rail with no return
can i feed the rail and fit a regulator before the rail by use of a T and retrun to the tank ?
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newtyres1
- Helpful Squirter
- Posts: 139
- Joined: Mon Feb 06, 2006 7:32 pm
- Location: Brisbane, Australia
Re: fuel pump overheating
My bike (stock) runs returnless as well. I have read about some car guys doing it and not having any problems (fuel tank, fuel pump, press reg and return line all in the boot). Is it possible that being a returnless system that the tube diameter/rail etc is not large enough for enough fuel to flow, which is overloading the pump? I don't think it can hurt to give your idea a try.
Ian.
Ian.
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pommie02
Re: fuel pump overheating
Ian
i think i will try it....i can monitor the pressure and see if it overheats
i think i will try it....i can monitor the pressure and see if it overheats
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SQLGUY
- Experienced Squirter
- Posts: 243
- Joined: Sun May 14, 2006 3:03 am
- Location: Colorado Springs, CO
Re: fuel pump overheating
It may be that you pump needs the heat sinking provided by immersing it in fuel; the fuel flowing though it may not be enough to cool it.
Have you considered installing it in-tank through the opening for the fuel level sensor? Would that be possible on your bike?
Have you considered installing it in-tank through the opening for the fuel level sensor? Would that be possible on your bike?
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pommie02
Re: fuel pump overheating
....i dont have a sensor...
i have just won a R1IN TANK PUMP, I WILL SEE IF I CAN MAKE THAT FIT
i have just won a R1IN TANK PUMP, I WILL SEE IF I CAN MAKE THAT FIT