Forced Induction,

IIRC, you posted a page from the FSM about this spring needing to be 27.0mm OAL. Out of curiosity this morning, Dad pulled the IP releif out of his 617.952 IP and found the relief spring to measure 20.0mm OAl. Since my car is currently in his shop, he pulled the IP relief valve from my 617.950 IP and found the relief spring to be 21.0mm OAL.

Now, in my most humble opinion, stretching or even shimming that spring to the 27.0mm you mentioned in your post seems extreme. What is your opinion on this???

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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