Quote:
Originally Posted by IMR-Merlin
Just out of curiosity, why not run one big pump instead of 2 044's? I will be building this system from scratch and can update the line size.
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Have you found a pump with a higher spec than 044? That actually performs better? (hint: the Walbro "300 litre" pump doesn't perform anything like as well as the 044 - also rated at "300 litres" - and the difference is especially marked at higher - e.g. CIS - pressures).
I make 425 FWHP on CIS with a single 044 up front. When I go EFI, I don't see any reason at all to fit another pump. Because the pressure will drop (roughly halve) - the flow will increase correspondingly.