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Redline for a B20F? 140-160

uid 32173's pic
posted by  Gary L on  Thu Apr 28 09:38 CST 2005
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last visit: Wed Oct 22 10:26 CST 2014
[RELATED]

Joel,

I have to say that I disagree with the statement "Double valve springs are a must for over 6 grand...."

The B20E ITB engine that I run has bone stock valve springs, mainly because the rules allow nothing else. The springs currently installed are 6 or 8 weekends old, which is a whole truckload of 6500+ excursions; several thousand of them, to put a number on it. The engine does not have a valve float problem.

So... while I agree that *good* valve springs are a must for 6000 rpm plus, I just don't think *double* valve springs are.



--
Gary Learned - '71 142E ITB / '73 1800ES / '02 S60 T5






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