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05-25-2002, 01:13 PM
Hey now, I have no relationship to Metric Mechanic except my purchasing products for over 25 years. They do not even send me a calendar.

Made my trip to see Metric Mechanic, Jim Rowe, he is older than I remember.

Jim and the #1 son Teddy took my 745i head, my money, and provided more than a few things I need to mull over.

Oh yes, the real reason for this post is the swirl cut and porting on the BMW big six, M30. Of course MM uses this on all it's toys.

Back to the swirl cut, Jim has found that the laminar surface airflow is enhanced with the pictured patterns. He also admitted that there was lots of scap made learning what is good and bad.

He has used this for so long he seldom needs to put it on the flow bench unless you need over 400 hp. Do not try to free hand this unless you want to make beer cans. Porting and matching are a little more specific to each head and I will just say they do it.

Metric Mechanic would like to ask anyone interested in visiting on the way to Colorado OktoberFest 14-19 July or on their way home to please e-mail them at Mrs Rowe handles digital communications and Jim is phone enabled.

She works on the WEB site and he trains his puppy. Teddy does the real work. A lot of Elves do the rest.

I had the big Elf to insert some valves to show the valve tulip work they do also.

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Ron Carter<br><img src="" height=700 width=600>

05-25-2002, 01:45 PM
I wanted to buy but my wife would ice pick me in the eye.

So here is the picture, but they have security so do not even think about it.

They build em bigger than this but lets show some restraint, OK.

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Ron Carter

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05-25-2002, 09:25 PM

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