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Go Back   Madabout Kitcars Forum > Mad Build Area > Marlin 5exi builds

Marlin 5exi builds Calling all you sexi builders....sorry 5exi builders, show us your progress.

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  #1  
Old 14th April 2010, 13:48
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Default Fuel Regulator - Type R

What fuel regulator have builders used for their Type R engines?

I'm assuming that it's got to work with injection pressures (higher than carbs) and have a return (to take fuel back to the tank).

I already have a separate pressure guage, so don't need that built into the regulator.

Any help, especially make/model/supplier would be greatly appreciated.

Thanks in advance.
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Old 14th April 2010, 15:49
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I'm using an FSE fuel pressure regulator, set (I think) to 47 psi (static - no manifold tapping).

Fuel system goes:

Rover tank pump (8mm pipe) -> swirl pot -> walbro 255 -> filter -> t-piece (with 8mm tapping to fuel rail) -> fse regulator -> swirl pot (6mm from reg to swirl) -> tank.

Fse reg is approx 300mm from fuel rail, to ensure the displayed pressure is as close as possible to that seen at the injectors. Some people I believe have placed the regulator and gauge near the fuel tank, which seems daft - it's best to regulate as close to the point of use as possible.
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Old 15th April 2010, 10:50
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Thanks - that's good info.

Did you getthe regulator from Marlin? I don't suppose you know the model number off hand?

Thanks again.
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Old 15th April 2010, 14:40
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I didn't buy the regulator from Marlin.

http://www.merlinmotorsport.co.uk/p1...duct_info.html
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