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Title: Fuel pressure on 51,3mm IDA. Post by: Kiel on February 10, 2010, 21:18:07 pm Hi.
How high must the fuel pressure be on a set of 51.3 mm ida, for max power ? ( 3 psi ) The carburrators have bin fittet whit original weber 300 needle valve. best regards Thomas kiel PS: http://www.youtube.com/watch?v=T0IsZAJPlgg&feature=related Title: Re: Fuel pressure on 51,3mm IDA. Post by: bang on February 10, 2010, 21:24:34 pm i run 0,3 bar on mine.
Title: Re: Fuel pressure on 51,3mm IDA. Post by: SteveW on February 10, 2010, 21:25:38 pm I always ran mine at 3.5 PSI. Just beware of the small fuel pressure guages there not entirely accurate!
Title: Re: Fuel pressure on 51,3mm IDA. Post by: BeetleBug on February 10, 2010, 21:29:56 pm If you get the 3.0 needle valves to seal with 3.5 psi you`re lucky. Remember that the glass needles are light and has bigger area = you do not need so much fuel pressue to deliever the same amount of fuel. I used 2.3-2.4 psi on mine, any more and the junk glass needles would not seal. Remember to check the float level carefully.
Best rgs BB |