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hey guys I got a good one for ya :-) Posted by jak [Email] ![]() ![]() |
my NG900 about 2 years ago had a problem where the more boost you ran the worse a miss would develop at 5500RPM, you could coast a bit & it would clear up
after everything elde I put a head on it & it cleares up I thought a sticking lifter
Ive been having trouble with a 9-5 making loud pinging noises & lack of power in sort of the same manner high RPM HIGH bost
I was checking for valve springs today & found 4 of them had the little lifter ram popped out of the cup on the intake side & the little circlip which heald them in was floating around in the cup & could definatly change valve lash by getting between the ram & the cup & the most likeley time for this would be high RpM/BOOST
yjr testing today after fitting the 4 used ones in te intake side & checking all the exhaust ones was conclusive as I had the SW way way off for diagnostic purposes
Ill keep you up on it nest week :-)
you all take care & thanks for all the orders they are coming in verry steady :-)
take care
JAK
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