In the market for a bottom end rebuild and have found a reground crank already hardened, crack checked, etc..

How do shops cut corners? How can I guage their work or even trust what has been said to be done is done correctly? (ie.. nitride hardening on crank regrinds?)

Doesn't a machine do the actual grinding?

I am very new to this. I am not sure of what to look for. If someone has been in business for 30 years, he must be doing something right.?? right?

I have read that the regrinds should only be metric, but I have a lead on a standard cut and they make bearings for this.

Any leads on machine shops in Portland, OR?

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I have had good experience with Dan Hall in NE Portland, near Killngsworth and Interstate and I have had the Napa shop on 9th and SE Morrison do a good job. Gary down at Napa is the one you would want to talk to. Check with MBI motors and see who they recommend for Mercs.

Good luck -

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1995 E300D - 193K and $28K in maintenance!
1964 220Sb - 318K, second owner
1997 Passat TDI - 190K and 47mpg

What did you have done by Dan Hall's? This is a shop that interests me, are you affiliated?

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I am confused what kind of experience you get in machine shop. Like the member who are started these thread. However, try to get search in some online site by using a google search.

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seo services

I am surprised to hear you need a crank grind. Have you had the journals micrometer checked? Normally only necessary following bad oil pump failure. If you need a crank grind, chances are there are other problems. I would be looking at a replacement motor.

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Grumpy Old Diesel Owners Club group

I no longer question authority, I annoy authority. More effect, less effort....

1967 230-6 auto parts car. rust bucket.
1980 300D now parts car 800k miles
1984 300D 500k miles
1987 250td 160k miles English import
2001 jeep turbo diesel 130k miles
1998 jeep tdi ~ followed me home. Needs a turbo.
1968 Ford F750 truck. 6-354 diesel conversion.
Other toys ~J.D.,Cat & GM ~ mainly earth moving

Give MBI Motors in Portland a call. They are one of the most reputable Mercedes Shops in the Northwest. I'm sure they will have a suggestion for a place to send you machine work to.

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