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How weak is weak

Apoc

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Apr 14, 2006
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VN-Series I-6-90
Hey just wondering if anyone knows how stiff the valve springs should be...

Last time i had the tappet covers off for a bit of gunk busting and general inspection i noticed that around the base of the valve springs was a little worn or at least the deposits hadnt been able to form there (from what could only have been the spring base moving around). I could push the base of the springs around a bit too.

Does this mean my valve springs are worn? I dont think i really have any valve problems at the moment, it (my exhaust) puffs a little when idling but if i give it a good rev up then back off (giving the pedal a good quick stab), it doesnt pop and spit just wwwwhhhhhhaaaaaaaa vvvoooooooommmm. :yeah:

Just curious, something i may need to add to my "somewhere down the track and i have some more goddamn money" list of things to do to my car.

Cheers,
Apoc.
 

FXST01

The Grey Man
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Jun 3, 2005
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VP V6 Exec
well going by my VP manual and assuming the VN will be similair, the valve spring installed height should be 42.93 - 44.45 mm.
 
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