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Registered
Join Date: Feb 2009
Location: Park Hills, KY
Posts: 2,459
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elec turbo WP alternative
during the process of refreshing this 951, had to replace the elec turbo WP.
new ones are a bit pricey and did not want to throw in another used one that may eventually fail. searched ebay and found one for about $70, but did not have correct elec connector. as the old WP was bad, just cut off that connector and wired it up. looks like someone had done this in the past also. works great.    
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Bob Cox 78 930 clone project car. 87 924S resurrect at some point. 84 928S, Ruby Red linen/brown interior - sold  86 944 turbo my new DE/track car - sold
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07-13-2014, 06:25 AM
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Registered
Join Date: Feb 2000
Location: Kingsport, TN
Posts: 2,935
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A water heater pump for older Mercedes vehicles works. The pump was used to circulate more water for the heater when the engine was idling if ambient temperature was low. There was one on my 1980 450SL, it costs much less than the Porsche pump, and it can be substituted. Don't know if they are still available.
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Lawrence 1986 951 2002 SLK32 AMG 1987 328GTS 2011 528i |
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07-18-2014, 06:54 AM
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Registered
Join Date: Feb 2009
Location: Park Hills, KY
Posts: 2,459
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I just searched ebay for it. found this one that works, but not a Porsche/oem. had to adapt the elec connector as shown in pics.
I had heard the Merc turbo wp would work, but did not have correct elec connector. not sure what the one I got was supposed to be for. here is a link to it on ebay.
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Bob Cox 78 930 clone project car. 87 924S resurrect at some point. 84 928S, Ruby Red linen/brown interior - sold 86 944 turbo my new DE/track car - sold
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07-18-2014, 08:55 AM
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Super Moderator
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nice writeup! more info on the turbo water pump here;
Turbo pump fixits
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'89 turbo-s (2.7, wolf3d ems, garrett dbb turbo, tial 46mm, etc. fast!) |
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07-19-2014, 08:00 AM
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Registered
Join Date: Feb 2003
Location: SF East Bay
Posts: 1,856
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The most common MB pump used as replacement is # MBZ037173. It can be found at various online sources for $55-60. As mentioned, the electrical-connector is different. Not that difficult to cut off the wire from the old one and solder it to the new one.
There's an online-guide somewhere showing how to move the bottom pump-section from the old 951 pump to a different MB pump that has different hose-diameters as well. One time, I actually bought a surplus 12v DC-motor for $10. The shalf was slightly too large and long, so milled it down to proper size and fitted the pump-section from the original 951 pump. |
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07-26-2014, 07:49 PM
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