I do not check boost at idle or under no load. In general, a stock turbo won't spin fast enough to build boost at idle. I check at 60-65 mph cruise (where I make a solid 10 psi) and WOT in high gear, where my W/G blows off at 12-13 psi

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Did you just pass my 740 at 200 kmh in a 300SD?????

1978 300SD 'Phil' - 1,315,853 Miles And Counting - 1, 317,885 as of 12/27/2012 - 1,333,000 as of 05/10/2013, 1,337,850 as of July 15, 2013, 1,339,000 as of August 13, 2013



100,000 miles since June 2005 Overhaul - Sold January 25th, 2014 After 1,344,246 Miles & 20 Years of Ownership