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Author Topic: M-TDI 12mm pumps (rebuild or new)  (Read 17067 times)

February 28, 2008, 04:02:46 am

DA-BRT

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M-TDI 12mm pumps (rebuild or new)
« on: February 28, 2008, 04:02:46 am »
Hello,

I bought a couple of mechanical pumps. I only need 1 for my Polo 6N 1997.

These things needs to be changed to use on a VW TDI engine:

The original trottle cable, injection lines, and pump mounting bracket can be used.

I sell the rebuild ones for €1100 and the new ones for €1400 included sending them all around the world.







Above pictures from the stock pump.


Designed for the M-TDI pump a new bracket.


1600/1900 Trottle cable holder.

One of the pumps installed on my Polo 6N with 1.9TDI AFN engine.





More information pb or email ([email protected])
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Reply #1February 28, 2008, 10:53:53 am

boxer246

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« Reply #1 on: February 28, 2008, 10:53:53 am »
I think you might have a problem selling a pump, even if it can be used as a m-tdi pump for $1600 US dollars.
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Ash
'81 VW Caddy 1.6 now a TD
'88 Vanagon (building a AHU M-TDI)
Reply #2February 29, 2008, 02:02:50 am

DA-BRT

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M-TDI 12mm pumps (rebuild or new)
« Reply #2 on: February 29, 2008, 02:02:50 am »
It might be. I think it's not my fault that the Euro is this strong at the moment.  :lol:  But selling it on the other side may be more difficult.
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Reply #3February 29, 2008, 02:31:24 am

jtanguay

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M-TDI 12mm pumps (rebuild or new)
« Reply #3 on: February 29, 2008, 02:31:24 am »
so these are factory m-TDI pumps?  if brand new that price seems somewhat reasonable...  considering the cost of obtaining an m-TDI pump that actually works good.
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Reply #4February 29, 2008, 02:45:04 am

DA-BRT

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M-TDI 12mm pumps (rebuild or new)
« Reply #4 on: February 29, 2008, 02:45:04 am »
Yes these are the factory M-TDI pumps.

They got a big advanced timing, good caged govenor, normal trottle leaver, agressive LDA pin.

The pumps are from 1999 and 2000 and 2 have been revised in 2007 and 2005.
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Reply #5May 26, 2008, 10:02:38 pm

Pat Dolan

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M-TDI 12mm pumps (rebuild or new)
« Reply #5 on: May 26, 2008, 10:02:38 pm »
Do you still have these available?
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lifetime VW enthusiast, racer, fixer, addict, etc.
'03 TDI Variant, MkII Golf Country, Mk1 and II Scirocco (gassers), a Vanagon aircooled, an Audi 2.0 TD waiting to become a Porsche TD (in my M471 924), FLD120/DDEC IV, Ford 7.3/450, Iveco D220 and some 6D14T Mitsus and a few more.
Reply #6May 27, 2008, 01:51:13 am

DA-BRT

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M-TDI 12mm pumps (rebuild or new)
« Reply #6 on: May 27, 2008, 01:51:13 am »
Yes got 3 pieces at stock at the moment.

I need a little time to change the mounting supports and exchange the govenor spring for a stronger one.

Greetings
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Reply #7May 29, 2008, 09:51:31 pm

westyman

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M-TDI 12mm pumps (rebuild or new)
« Reply #7 on: May 29, 2008, 09:51:31 pm »
FWIW, I have two of these, one currently running with super results on my Vanagon Syncro camper with .216 injectors and larger turbo. Amazing power, and really is a bolt-on. There is no need to change the governor spring unless you desire more than 4000 rpm. The second pump I dissected to compare what the 'factory' (in this case not VW but Bosch and MWM of Brazil, as the pumps are made in Brazil) did internally versus the 4BT pumps I have been using and building. The amazing thing is there are very minor differences. I will be incorporating these differences into the 4BT pumps I build from here on. But it proves to me that we were already oh-so-close to having the 4BT exactly as needed for max power.

Karl
www.westyventures.com
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Reply #8May 29, 2008, 10:43:17 pm

RabbitGTDguy

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M-TDI 12mm pumps (rebuild or new)
« Reply #8 on: May 29, 2008, 10:43:17 pm »
Karl,

that is good to hear.

Joe
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1979 Rabbit mTDI crazy $*(\%& bunny...
1972 VW Westfalia
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Reply #9May 30, 2008, 01:55:26 am

DA-BRT

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« Reply #9 on: May 30, 2008, 01:55:26 am »
@Karl: Strange about the govenor spring. A lot of my customers complain about the max RPM. That's why i had special springs made for me.

Got now 3 different types. On the test bench I gave me the following results. Fuel cut around 4400RPM, 4750RPM and 5100RPM. When I'm sending them out I and there are no questions asked I place the 4400RPM spring and on special request the stronger ones. (I realy like the uncaged covernor.)
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Reply #10May 30, 2008, 06:32:08 am

RabbitGTDguy

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« Reply #10 on: May 30, 2008, 06:32:08 am »
makes me wonder how it would perform in a automobile application. I know a lot of Karls pump have been used on vanagon applications where the "uncaged" gov. def. would have its benefits...
DA BRT...have you run "uncaged" in a sedan/car or the like? I just wonder what it is like smoothness wise, etc. through shifting, etc. as the gov is def. setup for more of a "weighted" application like the vans...

Its nice to see that you are providing spring options as well.

Joe
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1979 Rabbit mTDI crazy $*(\%& bunny...
1972 VW Westfalia
2009 VW Tiguan SE 2.0T (Wife's car)
2001 Audi TT 225 Quattro Roadster (something newer :) )
Reply #11May 30, 2008, 06:47:19 am

DA-BRT

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M-TDI 12mm pumps (rebuild or new)
« Reply #11 on: May 30, 2008, 06:47:19 am »
What I found out about the uncaged govenor compared to the convention caged one. That the uncaged one is giving a little less fuel at lower RPM and in the top RPM areas more.

But I will double check it when I finished building a caged version with the right ratios (length) to the trottle leaver arm.
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Reply #12May 30, 2008, 10:32:40 pm

Tintin

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« Reply #12 on: May 30, 2008, 10:32:40 pm »
just for info, there exist caged governor spring with only one spring in it, I guess the same result than a uncaged spring with the same rate.

Scuse for the hijack.
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Reply #13May 31, 2008, 04:22:16 am

DA-BRT

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« Reply #13 on: May 31, 2008, 04:22:16 am »
@Tintin: Your input is always welcome!
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Reply #14June 05, 2008, 03:58:28 pm

2mAn

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M-TDI 12mm pumps (rebuild or new)
« Reply #14 on: June 05, 2008, 03:58:28 pm »
cani  get an update? how many pumps do you still have? how much would one and "uncaged" one be shipped to the US ? i am doing my reserch to build an m-tdi as we speak  :D
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