I say soon as it hits 100psi of boost.

First revolution at 900hp. Stock internals aren't good for more than 400NM

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http://superturbodiesel.com/images/sig.04.10.jpg
1995 E420 Schwarz
1995 E300 Weiss
#1987 300D Sturmmachine
#1991 300D Nearly Perfect
#1994 E320 Cabriolet
#1995 E320 Touring
#1985 300D Sedan
OBK #42

The stock U.S. pumps have 5.5mm pistons. I say we start exploring out options. Even 6mm plungers are an upgrade, 6.5mm even better. 7mm is what that company in Europe uses, and if that supports enough fuel for 400+ H.P. , that's already overkill for me. I don't know about the rest of you guys, but I'd be happy with around 230H.P.

Isn't there anything we can do to upgrade our pumps??? Does anyone have an old pump to disassemble and see if we could fit 6 - 6.5mm pistons. I'm sure we could match something up.

I've got a junk MW pump, but I can tell you right now that the only elements that will go in it will come from another MW... which pretty much limits it to the 10mm International Harvester DT466's elements from the MW pump... at least as far as I know... I would be happy to test fit any elements that you send me though

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99 E300 Turbodiesel 100k

There is one person on the *chuman forum that had a set of 6mm plungers custom made.

I've got an MW pump at a big Bosch shop in Fort lauderdale. The owner looked at putting the 10mm IH plungers in and said it couldn't be done because they alo have a different stroke length. He also said he had two other MW pumps from other apps to look at and would let me know.

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Bob D.
Parrish, FL
1 SDL, 1 D, 1 TD, 1 Mog

if i can give my shop the mercedes part number of the larger plunger, he can order it and install for me, if there is a number?

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1985 300D - 599,xxxk - blue interior #265 Monark Nozzle, AL129X, 15" Ronals, Gen II Big Brakes hunting
1985 300D - 491,xxxk - in prog-{A-A IC, 3" exhaust, psi\pyro, 28*BTDC, Hella Euros, IP Limiter removal
1985 300TD - 783,xxxk - parts car,used new engine with ALDA cap inplace
1987 Kenworth T-600 8LL 425 CAT Mech. - 6,000,000+k - DEI exhaust wrap, punched through resonators, 1 recent rebuild,

I would guess that's there is not a MB number for that part since it was never a factory piece. You could research the part number for a stock element for the MW pump on an International/Navistar DT360.

Your induction system will really have to be beefed up to compensate for the excessive fuel. It'll also idle like "rump, rump, rump..." because the governor can't react fast enough to keep it steady. The throttle will also be quite twitchey and sensitive.

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-Evan


Benz Fleet:
1968 UNIMOG 404.114
1998 E300
2008 E63


Non-Benz Fleet:
1992 Aerostar
1993 MR2
2000 F250

I'd also be concerned whether the cam and rollers can handle the additional force of pushing a 10mm plunger, which would be about 4x the force of the 5mm plunger with the same pop pressure.

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Gone to the dark side

- Jeff

Would bigger lines, cut DVs, and bigger injector holes help this any? I still think DVs and injectors are the place to start... Been planning on calling JL Machine, just haven't got around to it yet.

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99 E300 Turbodiesel 100k

yeah but it will be fast(er)

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99 E300 Turbodiesel 100k

Where where they made, and how much did it cost? What were the results?

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1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver

1982 300SD - 232K miles - Wife's Daily Driver

1986 560SL - Wife's red speed machine

According to Bosch literature, the MW pump is the little sister of the P series pump. The MW was designed for higher injection pressures (800bar) and higher volumes than the M pump. Based on this, a larger plunger should not be a problem as far as force goes as we only need 135bar. Also indicates that larger plungers should be common???

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For Sale: 1982 MB 300TD
1995 Chevrolet Suburban 6.5TD

Sold: 1980 IH Scout Traveler- Nissan SD33T Diesel

Made in Germany. Different companies worked on them. Meet BOSCH specification in material, treatment and tolerances. Design of control edges calculated, increased feeding bore.
Costs (beside the pre series, that failed) is approx. 75 EURO/each.
Results so far: Close to 90 cm3/1000 rev. (stock is 56), smooth running, perfect idle, full load had to be decreased with governor untouched on the stock engine.

IC, exhaust, turbo still in the box.
8 pieces at home (I ran out of raw material), one set running, 2 further pieces in progress.

Tom

How long have you had them in. The pump had to be bored out right? This is on MW?

__________________
http://superturbodiesel.com/images/sig.04.10.jpg
1995 E420 Schwarz
1995 E300 Weiss
#1987 300D Sturmmachine
#1991 300D Nearly Perfect
#1994 E320 Cabriolet
#1995 E320 Touring
#1985 300D Sedan
OBK #42