 which fuel pump - help please! |
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| dflesburg |
 May 5 2007, 03:57 PM
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#1
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Senior Member  Group: Members Posts: 1,720 Joined: 6-April 04 From: Warm and Cheerful Centerville Ohio Member No.: 1,896 Region Association: None  |
1986 3.2 Carrera engine....
I have two bosch fuel pumps here, they look identical... Bosch part # 0 580 464 021 or 0 580 463 010 they look the same other than the part number (IMG:style_emoticons/default/popcorn[1].gif) |
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| John |
May 5 2007, 05:41 PM
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#2
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member? what's a member? Group: Members Posts: 3,393 Joined: 30-January 04 From: Evansville, IN (SIRPCA) Member No.: 1,615 Region Association: None |
Why two pumps?
Do they both have check valves? Is there a Porsche number on them? Can you take a pic? Attached thumbnail(s) 
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| John |
May 5 2007, 05:47 PM
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#3
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member? what's a member? Group: Members Posts: 3,393 Joined: 30-January 04 From: Evansville, IN (SIRPCA) Member No.: 1,615 Region Association: None |
I found this as a BOSCH reference:
0 580 464 021 (84-89 911 Carrera) |
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| SLITS |
May 6 2007, 01:21 AM
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#4
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"This Utah shit is HARSH!" Group: Benefactors Posts: 13,602 Joined: 22-February 04 From: SoCal Mountains ... Member No.: 1,696 Region Association: None  |
If this thread is still on page 1 by Monday ..... I can cross the Bosch numbers to Porsche for ya.
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| Eric_Shea |
May 6 2007, 03:00 PM
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#5
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PMB Performance Group: Admin Posts: 19,275 Joined: 3-September 03 From: Salt Lake City, UT Member No.: 1,110 Region Association: Rocky Mountains  |
What's the other one for...? I need one BAD.
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| dflesburg |
May 6 2007, 08:30 PM
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#6
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Senior Member Group: Members Posts: 1,720 Joined: 6-April 04 From: Warm and Cheerful Centerville Ohio Member No.: 1,896 Region Association: None |
it must have come off my car when it was a four cylinder... they look almost identical except for the out end, the 911 one has more brass hardware... must be the check valve john talked about...
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| John |
May 6 2007, 09:24 PM
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#7
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member? what's a member? Group: Members Posts: 3,393 Joined: 30-January 04 From: Evansville, IN (SIRPCA) Member No.: 1,615 Region Association: None |
The other pump BOSCH # 0 580 463 010
It cross references to 043 906 091 is a 914 pump (1975/1976) and has no check valve. I have one just like it on the shelf (if anyone wants one PM me) Attached thumbnail(s) 
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| Eric_Shea |
May 6 2007, 10:06 PM
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#8
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PMB Performance Group: Admin Posts: 19,275 Joined: 3-September 03 From: Salt Lake City, UT Member No.: 1,110 Region Association: Rocky Mountains |
Need a -6 pump bad...
Assdragger pump took a crap (it waited until I filled the damn tank of course!) (IMG:style_emoticons/default/dry.gif) |
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| jk76.914 |
May 7 2007, 07:26 PM
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#9
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Senior Member Group: Members Posts: 809 Joined: 12-April 05 From: Massachusetts Member No.: 3,925 Region Association: North East States |
hmmm. My original '76 pump has a check valve. Pressure stays up for probly 15 minutes after the engine is shut off. Isn't that a checkvalve? Jim
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| John |
May 7 2007, 11:48 PM
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#10
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member? what's a member? Group: Members Posts: 3,393 Joined: 30-January 04 From: Evansville, IN (SIRPCA) Member No.: 1,615 Region Association: None |
QUOTE(jk76.914 @ May 7 2007, 05:26 PM)  hmmm. My original '76 pump has a check valve. Pressure stays up for probly 15 minutes after the engine is shut off. Isn't that a checkvalve? Jim Have you a picture? My late style pump has no check valve. It does maintain pressure until it bleeds back through the pump. (well it did until I put a 3.2 in there) Attached thumbnail(s) 
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| jk76.914 |
May 9 2007, 08:41 PM
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#11
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Senior Member Group: Members Posts: 809 Joined: 12-April 05 From: Massachusetts Member No.: 3,925 Region Association: North East States |
QUOTE(John @ May 8 2007, 01:48 AM) QUOTE(jk76.914 @ May 7 2007, 05:26 PM) hmmm. My original '76 pump has a check valve. Pressure stays up for probly 15 minutes after the engine is shut off. Isn't that a checkvalve? Jim Have you a picture? My late style pump has no check valve. It does maintain pressure until it bleeds back through the pump. (well it did until I put a 3.2 in there) No. No picture. It looks like yours- one nipple at each end, no return nipple. It's original to the car. Jim |
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