grb
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| posted on 22/6/10 at 02:15 PM |
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Carbs to Injection Pump
Swapping from an 893 fireblade to something newer, what's the best approach to the fuel injection pump...
Can I mount an in-tank bike pump up into the bottom of my existing alloy tank and run a single fuel feed up to the engine?
I do racing & speed events... does this risk starvation, since there'd be no float bowl keeping a supply buffer anymore?
grb.
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BenB
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| posted on 22/6/10 at 02:19 PM |
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Personally I'd keep you existing pump as a low pressure pump to go into a swirl tank then onto the HP pump and regulator....
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r1_pete
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| posted on 22/6/10 at 02:26 PM |
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Can you fabricate a swirl pot to take the in tank bike pump? Otherwise any 3 Bar + pump will do, but you'll need a regulator to keep things in
check. Many bike FI systems don't have a regulator, the function is built into the pump.
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grb
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| posted on 22/6/10 at 02:50 PM |
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My daily ride is an FI bike, and the pump looks like it simply bolts into the bottom of the tank, with a single fuel line (with a handy quick release)
coming out...
Could such an item fit in the bottom of the car tank and avoid taking up space under the bonnet...
grb.
+ fabrication of fuel tanks / pots etc. is out of my league :-(
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blue2cv
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| posted on 22/6/10 at 03:13 PM |
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that was my plan eventually
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matt_gsxr
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| posted on 22/6/10 at 03:13 PM |
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Neatest solution is a sump in the bottom of the tank with the pump bolted up into that. gsxr (early 2001-3) pumps are ideal as they incorporate a
filter and regulator.
 
zx10_fuel_pump_sump_question
The filter is large and the regulator is at the top of the filter so might help in the low fuel condition.
If you only need enough full short events, then you could get a narrow tall tank and bolt the pump through the bottom somehow and not worry about the
additional sump.
I did this with a big 1inch ring of aluminium some carefully tapped holes, a lathe (to cut a couple of slots) and a pair of O-rings.
Welding would be better, but I have not kit or skill.
Matt
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grb
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| posted on 23/6/10 at 07:09 AM |
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I have a sump at the bottom of my current tank which might be ideal for mounting in and providing a small pot of fuel to draw from.
I assume the fuel intake is somewhere near the base of the pump?
I also found this, worth a glance:
http://locostbuilders.co.uk/viewthread.php?fid=23&tid=114973
What are the rough dimensions of the pump you've used?
grb.
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