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Bosch fuel pump replacement for MFI
I need a new fuel pump, mine has developed a leak.
I was wondering if anyone can recommend an alternative to the Bosch pump for a 2.4 MFI 911? I hear the Holley might make one that is compatible. Any info on this subject would be appreciated.
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1973 911T |
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Join Date: Sep 2004
Location: Burlington, Ontario
Posts: 631
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Lyon, the problem is the return line to the tank. I just ordered an OEM replacement. I believe you would need two separate pumps and make sure you get the right volume/pressure on each end. I wanted to retain originality so I bit the bullet. Apparenty Ottos of Venice will do a rebuild for 275$.
Joe |
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I am just trying to figure out if there are any options before I shell out the money for a new Bosch pump.
I would like to keep originality as well, but the price of the new pumps is pretty high. I opened up my Bosch pump, put new o-rings in, they work great, the problem that I am having is a small leak from the casing of the electrical on the side of the pump. It is not a bad leak, but I want to take care of it so my car doesn't start on fire.
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1973 911T |
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Join Date: May 2003
Posts: 3,346
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You can use a different pump but you need to have a capacity of at least .5 gallons per min. and a pressure of 1 bar (14PSI). The system also has to recirculate to cool the injection pump. I think it will be easier to shop around for an original rebuilt pump.
-Andy
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72 Carrera RS replica, Spec 911 racer |
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I used High Pressure Fuel Pump MSD-2225 from Summit Racing in my 70T with CIS. Might be a place to start.
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"The probability of survival is equal to the angle of arrival" 1980 911 SC 2002 Boxster (girlfriend's but it lives in my garage) Gruppe B #099 SCWDP Member 0013 |
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