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Fuel delivery
Dose anyone know the fuel delivery rate for the standard 3.0L SC
CIS fuel pump in leters or gallons per hour? I think my engine is leaning out at the top end. I have installed an inline Holly regulator with by-pass to keep below 9 psi fpr carb, maybe I will have to go to a low press, hi volume pump. 
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05-01-2008, 04:53 AM
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Join Date: May 2001
Location: Peoples Republic of Long Beach, NY
Posts: 21,140
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Ronin LB '77 911s 2.7 PMO E 8.5 SSI Monty MSD JPI w x6 |
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05-06-2008, 08:47 PM
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Location: W.Sacramento
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.85 liters / 30 seconds . . . checked by the return fuel hose. pm me if you need more info. going out of town till next thurs . . . so may take a couple days to respond.
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05-06-2008, 11:50 PM
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Thanks guys, should be enough, around 100 lph will take a look at my jetting.
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05-07-2008, 05:19 AM
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Location: Peoples Republic of Long Beach, NY
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Quote:
seems like you're using the dead head regulator? how did you plumb a Bosch rotary cell SC fuel pump & the regulator?
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Ronin LB '77 911s 2.7 PMO E 8.5 SSI Monty MSD JPI w x6 |
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05-07-2008, 06:15 AM
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Have switched regulator since pic but just to show location.
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05-19-2008, 03:51 AM
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Wer bremst verliert
Join Date: Jan 2005
Location: Toronto, Ontario
Posts: 4,767
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Not sure which carbs but you should be around 5psi.
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2007 911 Turbo - Not a toy 1985 911 Cab - Wife's toy 1982 911 3.2 Indiash Rot Track Supercharged track toy 1978 911 3.0 Lichtbau toy "Gretchen" 1971 911 Targa S backroad toy |
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05-19-2008, 04:44 AM
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1981 Porsche SC 3 L twin turbo
