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Old 12-03-2002, 01:33 AM
anthonyb anthonyb is offline
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Join Date: May 1999
Location: Sacramento, CA
Posts: 1,565
I don't know what the specific test requirements are, but the rpm readings for my 1987 300E were about 1700 rpm for both 15 and 25 mph. You may want to call a couple of test-only places (maybe even the shops you went to) and ask them how this works - how their machines are calibrated, etc.

If you think the first shop was pulling a fast one, you should contact the Bureau of Automotive Repair ( file a complaint. They get a lot of complaints about the whole smog check deal (surprise, surprise) - I bet they don't appreciate getting extra ones because some shops are being sleazy.

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