Quote:
Originally Posted by Blue300SD
Thank you
This seems like the exact kind of information I need to do this job well.
I am glad you posted this.
What you are saying is the new valve guides are made with a slightly smaller inside diameter than the outside diameter of the valve stems that go into them ?
And that the guides need to be reamed out to fit the stems ?
And that the reaming needs to be done in a way that aligns the valve with the valve seat ?
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The odds of any random machine shop doing the job on the head and having that result be acceptable in terms of compression and oil consumption are practically zero. The tolerances on the head are critical and no local yokel wants to make the required effort to do the proper job, if they even have a manual to show the required tolerances.
Send the head to this place:
Mercedes Rebuit Engines
If you don't you'll surely regret it. Many others on here have.