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WTB 07+ Fuel pump assembly

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Old 09-14-2009, 05:06 PM
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WTB 07+ Fuel pump assembly

Looking for anyone that has spare working fuel pump assembly(s). Need some spares to experiment on.

Thanks for the correction MM.

Last edited by mrslysly; 09-15-2009 at 10:20 AM.
Old 09-14-2009, 05:52 PM
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The '07 - '08 are the same as the '04 - '06.
Only '09 got a new pump.
Old 09-17-2009, 10:07 AM
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Bump. Need extra fuel pump assemblies to test on. With or without fuel pumps.
Old 09-18-2009, 09:15 PM
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Bump, anyone have any spare fuel pump assemblies? Need to revert my siphon back to stock!
Old 09-18-2009, 09:20 PM
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Originally Posted by mrslysly
Bump, anyone have any spare fuel pump assemblies? Need to revert my siphon back to stock!
I might have an extra siphon around.
I'll let you know on Monday.
Old 09-18-2009, 09:55 PM
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That will work out well as I'm getting other parts next week to and will be ripping into the car.

Do you have any detailed information, or a resource about the fuel pump assembly and the siphon pickup in the right side? I'm looking to find out how the how assembly functions specifically. Like the extra pieces in the fuel bowl..

Also, anyone have any spare siphon pickup assemblies from the passenger side? After some feedback from certain people, starting to wonder if I have a bad siphon that's adding more complication to my issues.

Last edited by mrslysly; 09-19-2009 at 08:19 AM. Reason: I'm a boob.
Old 09-19-2009, 09:04 AM
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https://www.rx8club.com/showthread.p...ight=fuel+pump
Old 09-20-2009, 02:39 PM
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^ I already have the upgraded pump. But I need a new siphon. And a whole fuel pump assembly for more mad experimenting. C'mon people. Anyone with any spare parts laying around, pm me!
Old 09-20-2009, 03:12 PM
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Its likely that I have already absorbed most of the available used pumps.

Originally Posted by mrslysly
Do you have any detailed information, or a resource about the fuel pump assembly and the siphon pickup in the right side?
At this point, it would appear that I am the resource.
I haven't seen any other comprehensive examinations of the assembly.

How that individual parts work is outlined in my thread (referenced above by a previous poster).
I can probably add some detail about the siphon pickup and the science behind it, but I don't know that I really care enough to explain it.

Originally Posted by mrslysly
Also, anyone have any spare siphon pickup assemblies from the passenger side? After some feedback from certain people, starting to wonder if I have a bad siphon that's adding more complication to my issues.
The passenger side is fool-proof.
There is nothing to fail over there.

Last edited by MazdaManiac; 09-20-2009 at 03:15 PM.
Old 09-20-2009, 03:49 PM
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I just posted a write up of my experience so far. I have a really good grasp and understanding of how the system works now.
https://www.rx8club.com/showthread.p...19#post3234319

But I still need another siphon as mine is toast. I drilled to far up inside and my siphon is now a return line to the right side saddle.
Old 09-20-2009, 06:11 PM
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Originally Posted by mrslysly
But I still need another siphon as mine is toast. I drilled to far up inside and my siphon is now a return line to the right side saddle.
Ooops!
Yeah, that is the issue.
Sealing the pop-off is a better solution. I toasted a few siphons myself before I got it right.
Old 09-24-2009, 06:36 PM
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Bump. Still need the siphon. Anyone?
Old 09-28-2009, 08:24 PM
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Originally Posted by MazdaManiac
I might have an extra siphon around.
I'll let you know on Monday.

MM, did you find a spare siphon? I am wondering as its getting really close to the cut off for shipping it to me so I can have it friday to install it for the track weekend on sat and sun. And if not, then I need to make other arrangements.

Let me know, Thanks!
Old 09-28-2009, 09:27 PM
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i got it if Jeff doesnt. just pm me what you need i have the entire fuel system
Old 09-28-2009, 09:47 PM
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PM'd
Old 09-28-2009, 10:23 PM
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ive got a spare working fuel pump assembly but the nipple on the top that the fuel line connects to is cracked and leaks
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