Key word here, I think, is 'running'. :-)
There are 10 types of people, those who understand binary and those
who don't.
On Apr 3, 2008, at 10:40 AM, Larry Alster wrote:
The directions for an FM kit in the old days using a Pierburg are
using the OEM pump running to feed to the Pierburg.
Larry
White Knight 1991 Crystal White #99 CSP
Silver Bullet 1992 Silverstone #17 SM2 FM I+ Turbo
Honey B 1992 Sunburst Yellow #99 SM2L JR Supercharger
Whooosh 2004 Titanium Mazdaspeed MX-5
LowCountry Miata http://www.lowcountrymiataclub.net
Masters Miata
RAGS 074
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
] On Behalf Of [EMAIL PROTECTED]
Sent: Thursday, April 03, 2008 1:22 PM
To: Bill Cardell
Cc: [email protected]; Larry Alster
Subject: RE: ARG - Fuel Pump dying again. :(
Grrrrrrrrrrr.. I asked *specifically* if I need to remove the dead
stocker, and all you guys said no, leave it, not a problem. The info
given was "No, we never rip the stock pump out, the pump is how the
sock is mounted so without the stock pump, you won't have the input
in the right spot". Which is right, so I installed it, presto, no
problems till now.
So, when FM installs a Pierburg, you take the stock pump out?
Wallyman
<image001.gif>"Bill Cardell" <[EMAIL PROTECTED]>
"Bill Cardell" <[EMAIL PROTECTED]>
04/03/2008 12:52 PM
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To
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"Larry Alster" <[EMAIL PROTECTED]>, <[EMAIL PROTECTED]>, "Nathan
Sumner" <[EMAIL PROTECTED]>
<image003.png>
cc
<image004.png>
<[email protected]>
<image003.png>
Subject
<image004.png>
RE: ARG - Fuel Pump dying again. :(
<image004.png>
<image004.png>
Larry brings up an important point. If the stock pump is in place
and not working, it's a big restriction on the inlet of the
Pierburg, and the inlet side is not the place to restrict.
Bill Cardell
TurboDog's Dad
www.flyinmiata.com
1-800-FLY-MX5S (sales)
970-242-3800 (tech)
2008 FM Open House: August 14-17
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
] On Behalf Of Larry Alster
Sent: Thursday, April 03, 2008 9:58 AM
To: [EMAIL PROTECTED]; 'Nathan Sumner'
Cc: [email protected]
Subject: RE: ARG - Fuel Pump dying again. :(
I’m not sure you can leave the stock pump in there not running and
expect the Pierburg to pull through it.
Larry
White Knight 1991 Crystal White #99 CSP
Silver Bullet 1992 Silverstone #17 SM2 FM I+ Turbo
Honey B 1992 Sunburst Yellow #99 SM2L JR Supercharger
Whooosh 2004 Titanium Mazdaspeed MX-5
LowCountry Miata http://www.lowcountrymiataclub.net
Masters Miata
RAGS 074
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
] On Behalf Of [EMAIL PROTECTED]
Sent: Thursday, April 03, 2008 8:34 AM
To: Nathan Sumner
Cc: [email protected]
Subject: RE: ARG - Fuel Pump dying again. :(
I would agree... but I'm clueless why it happens.
First pump was stock, started to die 30 minutes out of Grand
Junction (wouldn't hold pressure at steady cruise, actually bellied
up 3 days later). Wired with 10 or 12 ga from battery to pump by Ken
Hill.
Second pump, also stock, lasted a year. Rewired with 10ga on a relay
at the battery, battery to relay to pump, shortest route possible.
Third pump, used Pierburg from FM, lasted maybe year and a half.
10ga to relay, 10 ga to ground. Stock pump still in the tank,
unhooked electrically.
Good link, thank you. Totally agree, would rather support a real
vendor than a nameless eBay guy. Which pump do you have, the 255 or
the 255 HP? I have read the HP is louder.
Wallyman
<image001.gif>" height="16" id="_x0000_i1025">"Nathan Sumner" <[EMAIL PROTECTED]
>
"Nathan Sumner" <[EMAIL PROTECTED]>
04/02/2008 08:48 PM
To
<[EMAIL PROTECTED]>, <[email protected]>
cc
<image004.png>
Subject
RE: ARG - Fuel Pump dying again. :(
<image004.png>
<image004.png>
I don’t think fuel pumps should go bad that often… Maybe your over
doing it and getting too big of a pump and its getting overheated
due to the large amount of recirculation require when you aren’t at
WOT. Just a though and I haven’t been following your fuel pump
stories. Maybe a RPM/throttle based voltage limiter would help with
this issue.
I normally don’t buy from ebay when I can buy it at the same price
from a “real” store. That’s just a habit of mine. I know lots of
people (including me) that bought walbro 255 from here: http://www.autoperformanceengineering.com/html/fpapps.html
If the ebay ad picture is of the actual item, its not the “correct”
pump as it appears to require you to splice into the miata wiring.
The correct one has the miata style connector.
Also, I cannot hear my walbro anytime beside when I first turn on
the key and even then it isn’t loud.
Nathan Sumner
[EMAIL PROTECTED]
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
] On Behalf Of [EMAIL PROTECTED]
Sent: Wednesday, April 02, 2008 8:38 PM
To: [email protected]
Subject: ARG - Fuel Pump dying again. :(
Yup.. pump #3 for the Sub.. this time a used external Pierburg is
dying on me... ARG. While my gap was wrong (0.045) which was causing
some of my misfire troubles, the real cuplrit is the fuel pump dying
off.. it'll go to 60psi at WOT (15psi boost) but then quickly falls
on it's face, dropping like a rock and the car starts stumbling, O2
reading leaner than 13.0:1.
Since fuel pumps apparently are consumables on my car, any reason I
should avoid the $99 Walbro 255lph ones on eBay? I'm not swallowing
another $242 for a new Pierburg since the life expectancy of a pump
seems to be a year or two.. but at $100 I can almost tolerate the
frequency... Thoughts, anyone?? The Pierburg wasn't silent, and you
could hear it at idle.. if the Walbro is the same noise level, I
think I could tolerate it.
http://cgi.ebay.com/ebaymotors/WALBRO-255-LPH-FUEL-PUMP-Mazda-MX5-Miata-MX-5-255lph_W0QQcmdZViewItemQQcategoryZ33555QQihZ002QQitemZ120238884274QQrdZ1QQsspagenameZWDVW
Wallyman
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