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  #1  
Old 03-31-2014, 08:11 AM
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617 injection pump element upgrades?

Anyone have any ideas where I might find some bigger elements for my injection pump?
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84 300sd 2.47 dif 360k
26 mpg needs lots of love
given to me in pitty

89 civic hatchback auto 140k
33mpgs soon to be low to mid 40's
been in the family since mile 1

85 300d with unknown knock. driven over 30k with knock and still going. sold for $800
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  #2  
Old 04-01-2014, 02:20 AM
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Hi,

I am in progress to run a batch of bigger MW, most probably 7.5mm.
Available summer.

Tom
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  #3  
Old 04-01-2014, 02:54 AM
sag sag is offline
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let me know if you make these. I am in need of some more fuel out of/for my mw pump
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  #4  
Old 04-01-2014, 11:15 AM
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yes, already started manufacturing.
(available summer).

Tom
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  #5  
Old 04-01-2014, 06:46 PM
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looking forward to this!
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  #6  
Old 04-01-2014, 08:46 PM
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i found some 10mm from china for 12.90 each. i feel like that is a bit much though. how much you think you will be asking for yours?
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84 300sd 2.47 dif 360k
26 mpg needs lots of love
given to me in pitty

89 civic hatchback auto 140k
33mpgs soon to be low to mid 40's
been in the family since mile 1

85 300d with unknown knock. driven over 30k with knock and still going. sold for $800
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  #7  
Old 04-02-2014, 12:58 AM
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Join Date: Oct 2004
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last time they were 75 EUR/each. Now some steps of manufacturing are different but I guess somewhere similar.
Made in Germany.
In case you just want more fuel go for China elements.

Tom
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  #8  
Old 04-02-2014, 02:20 AM
sag sag is offline
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what HP do you think the elements your building will be capable of supporting?

also what all would need to be changed on my pump to install these?
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  #9  
Old 04-02-2014, 06:59 AM
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Quote:
Originally Posted by sag View Post
what HP do you think the elements your building will be capable of supporting?
what I can tell you after my final calculation is the nominal delivery. What your bench guy adjusts and what your engine can burn, no idea.

Quote:
Originally Posted by sag View Post
also what all would need to be changed on my pump to install these?
just the elements... Option is changing delivery valves.

Tom
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  #10  
Old 04-02-2014, 11:14 AM
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Just an endorsement for Tomnik, he does great work. I have some of his 7.5mm M elements and I've very happy with them. Been running them for 3 years now.
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  #11  
Old 04-02-2014, 06:27 PM
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Hopefully people don't try to install these themselves...

You need a shop that has the proper equipment to work on the Bosch M and or MW injection pumps, which there are very few of in the US.
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  #12  
Old 04-03-2014, 01:42 AM
sag sag is offline
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there is a shop near me in pa that can do it. They do lots of injection pump work.
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  #13  
Old 04-04-2014, 03:05 PM
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Location: Idaho
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There's one in Boise that rebuilds our Bosch pumps off the tractors for $450. Good work too. I'm sure they would do my pump for a price.
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84 300sd 2.47 dif 360k
26 mpg needs lots of love
given to me in pitty

89 civic hatchback auto 140k
33mpgs soon to be low to mid 40's
been in the family since mile 1

85 300d with unknown knock. driven over 30k with knock and still going. sold for $800
Reply With Quote
  #14  
Old 04-05-2014, 10:18 PM
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Posts: 7,334
What's the point unless you have a way to also add more air and make it driveable on a daily basis without pissing off other people on the road with loads of smoke?
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  #15  
Old 04-06-2014, 03:26 AM
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bigger element diameter = (assuming same delivery) injection duration reduced, this means higher fuel flow which ends up in better atomization and end of injection earlier.
We tested on a 300 n/a and got smoke-free 94 hp on the rear wheels.
Daily driving showed about 15-20% less fuel consumption.

Tom
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