Dave Bailey
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| posted on 31/8/14 at 08:39 PM |
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Fuel Pump Pressure
Well I have done just over 1200 miles and noticed my first potential issue this evening. I am running a Subaru in tank fuel pump @ 2.8 bar on 6mm id
Kunifer fuel lines... I log fuel pressure and have set a low level warning on my dash mainly to trigger if I get fuel starvation during cornering.. I
noticed this evening whilst doing some spirited driving that the fuel pressure was dropping to about 1.3 bar @ 6000 RPM. The dash warning came up
which is the first time it has happened so this seems to have just started.. The pump was new when I built the car... Is fuel pressure drop off
expected or have I developed an issue do you think?
The engine is an ST170 running Jenvey throttle bodies on std injectors... The only other thing I have tweaked is the input cam timing which has
improved the pickup and probably increased BHP....
A bit random but just looking for some ideas before I start digging...
Thanks
Dave B
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Dave Bailey
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| posted on 2/9/14 at 07:50 PM |
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Update to this......tonight I pulled the pump out of the tank and found that there was a very small split in the link hose from the pump to the
connector.
So looks like the logging of data and the warning worked well to identify a developing issue....
Motor will probably blow up tomorrow but it won't be fuel starvation.....
Dave B
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