Quote:
Originally Posted by powen1
Interesting you say that Derek, I still have the electric pump connected - manual pump on engine blanked off, I also have two fuel lines to going to the back and then tee'd at engine after pressure valve , as was the car when I bought it ,
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'the electric pump connected' as in the original Bosch D jet pump or are you referring to your Durite 0-296-12 pump? If you are referring to the Durite pump that is OK since that is a low pressure diaphragm pump (just like the mechanical fuel pump). I think it is rated at around .15 Bar outlet pressure so you definitely do not need the old D jet fuel pressure regulator.
If you are still using the original D jet pump I would get rid of it. If you manage to turn down the fuel pressure regulator to get a sufficiently low pressure for the carbs you would be by-passing huge amounts of fuel back to the tank wasting power and potentially frothing the fuel.