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AuthorTopic: Discovery Fuel Pump  (Read 762 times)

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Offline mungajeep

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Discovery Fuel Pump
« on: March 18, 2007, 06:55:43 »
I have a Discovery V8 Carb model and the fuel pump stopped working, i have fitted the fuel pump from a Range Rover V8i and it starts and runs but the carbs keep flooding. Can anyone tell me if the fuel pressure is different with the V8i pump than a V8 carb pump.
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Offline Budgie

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Discovery Fuel Pump
« Reply #1 on: March 18, 2007, 08:29:24 »
I think it is as the EFi system is a sealed pressurised system where the carb one isn't.
Is it an "in tank" pump on yours of a facet type one that is seperate from the tank?
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Offline dave_2A_2.25Turbo

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Discovery Fuel Pump
« Reply #2 on: March 18, 2007, 10:30:36 »
Generally, injection systems run at a far higher pressure than carbs
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Dave
1963 S2A
1992 Disco 200TDi
Sankey Widetrack

Offline Range Rover Blues

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Discovery Fuel Pump
« Reply #3 on: March 18, 2007, 13:35:28 »
And are then regulated to 2.5 bar above manifold pressure.

Whereas the carb pump will be little more than a lift pump.
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Blue,  1988  Range Rover 3.5 EFi with plenty of toys bolted on
Chuggaboom, 1995 Range Rover Classic
1995 Range Rover Classic Vogue LSE with 5 big sticks of Blackpool rock under the bonnet.
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