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Old 08-18-2022, 02:31 PM   #356
pcampbell
Scooby Specialist
 
Member#: 437670
Join Date: Jan 2016
Location: VT
Vehicle:
2005 2.5 SC OB

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Hi thanks, yeah I think I will just pull the trigger and try it eventually haha

I looked again and the big thing seems to be that under pressure the Davies Craig out performs it by a lot. At ~200hpa it's not a big difference - ~1500lph vs ~1800 lph. 200hpa is 2.9 psi. I have no concept of what sort of resistance is in the system though.

But at 450hpa the Bosch at 500 lph and the Davies Craig is at 1200+ lph. If we are to believe the data sheets and if I converted them correctly! That is 6.5psi.

Even if the system resistance is only 150 hpa, I think it's a ~20+% improvement in flow on paper.

I've got a Type 13, but I've got a fairly large radiator out in front with lots of 90 degree bends....

Bosch cobra


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