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Posted by George (AB) on Monday, February 23, 2009 at 02:21:40 :
In Reply to: Re: Clarify... posted by Jerry in Idaho on Monday, February 23, 2009 at 01:48:02 :
Thanks Jerry,, Thats how I thought it worked. So back pressure/compression tends to hold valves shut. Valve springs also hold valves shut. I fail to see how a stronger spring would help. I was thinking that on Fords with Hydralic lifters, that constant pressure may cause the lifters to (partially) colapse. On a long downhill constant compression would be pushing on those valves/lifters,, Cummins are solid, no problem. Adding even more pressure with a stiffer spring would only add to the problem, See where I am comin from??
Thanks for bearing with me on this (I can`t sleep now haha)
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