Quote:
Originally Posted by jpnovak
The CIS pump will normally put out about 43psi (3bar) at maximum. The carbs (weber, PMO, Zeniths) all use 3 - 3.5 psi. The PMO regulator will reduce the pressure.
Using the PMO regulator is the most simple method for switching the fuel system to carbs.
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It has baffled me how many on this board believe this to be true.
While a CIS system has high pressure, without the iron fuel head you will only get about 2psi with a factory CIS pump. The PMO regulator brings it up to 3-4 psi