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Registered
Join Date: May 2004
Location: New Hampshire
Posts: 6,163
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Fuel Pump Substitute ??
 I am wondering if anyone has used the newer style "Flow-Through" Bosch Fuel Pump as used with the SC and Carrera 3.2 as a substitute for the early chassis fuel pump on a MFI model? The Original style 3 way pump....  is made in China and is over $600. Really prefer to use the newer Bosch pump from our host at $125. As long as the MFI Pressure Regulator at the Filter Console still works I see no reason not to try this. This will eliminate the "Y" or "T" connection and simplify the hose layout. One concern is where to put the "Restrictor" shown in the flow diagram at the return next to the Tank. Is this really needed? Any thoughts from the experts? Len
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02-13-2022, 12:43 PM
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Registered
Join Date: May 2004
Location: New Hampshire
Posts: 6,163
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Bump...
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05-29-2022, 05:31 AM
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(man/dude)
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Surprised you didn't get an answer the first time!
The 3.2 Carrera Fuel pump is a perfect replacement for that pump and readily available from Bosch for $100 or so (2019 prices so probably $200 now  )I use one on my 3.2 MFI - the third nipple (still working on a limeric about this) isn't needed because the pressure relief is built in to the flow-through pumps. As you surmise the "t" into the return isn't needed and neither is the restrictor. I get 12psi at the MFI pump fuel chamber using the factory fuel pressure valve/controller.
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Heavy Metal! Part Deux - The Carbon Copy Project Heavy Metal https://tinyurl.com/57zwayzw (SOLD) 85 Coupe - The Rot Rod! AX beater Quality Carbon Fiber Parts for Classic 911s: instagram.com/jonny_rotten_911 Last edited by Jonny042; 05-29-2022 at 06:11 AM.. |
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05-29-2022, 06:09 AM
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(man/dude)
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Heavy Metal! Part Deux - The Carbon Copy Project Heavy Metal https://tinyurl.com/57zwayzw (SOLD) 85 Coupe - The Rot Rod! AX beater Quality Carbon Fiber Parts for Classic 911s: instagram.com/jonny_rotten_911 |
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05-29-2022, 06:14 AM
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Registered
Join Date: May 2004
Location: New Hampshire
Posts: 6,163
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Thank you Jonny. Great information and photos, and this keeps a few pennies in my pocket. Len
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05-29-2022, 06:35 AM
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Titanium User
Join Date: Aug 2014
Location: NY
Posts: 3,271
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Len, do you have a part number for the newer style pump?
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Buy some Titanium Lug Nuts! http://forums.pelicanparts.com/porsche-911-used-parts-sale-wanted/1032311-fs-titanium-lug-nuts-studs-v2-0-a.html ig: @ti_porsche_products |
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05-29-2022, 06:54 AM
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(man/dude)
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Heavy Metal! Part Deux - The Carbon Copy Project Heavy Metal https://tinyurl.com/57zwayzw (SOLD) 85 Coupe - The Rot Rod! AX beater Quality Carbon Fiber Parts for Classic 911s: instagram.com/jonny_rotten_911 |
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05-29-2022, 07:02 AM
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Registered
Join Date: Nov 2019
Location: Kansas City
Posts: 585
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Wow. Awesome. Great information!
Daniel
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it's not leaking....it's just marking it's territory |
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05-29-2022, 08:01 AM
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