TwinTurbo.NET: Nissan 300ZX forum - VTC spring answers inside, a test will follow...
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Subject VTC spring answers inside, a test will follow...
     
Posted by LitlElvis on April 20, 2008 at 10:22 AM
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In Reply To is it possible for the vtc springs to make noise on a cold posted by ghostinator (fl) on April 19, 2008 at 11:47 PM
     
Message VTC (1)

VTC (2)

My research has shown that aftermarket "Heavy Duty" VTC springs can only prevent the VTC noise if they install at full solid, effectively jamming the mechanism and preventing all VTC function. And surprise, surprise, because they are "Heavy Duty" they are made with larger wire than the stock springs, and most of the springs' solid heights are higher than the space under the sprocket covers.

I can only hope that eventually the vendors that sell these things will quit because they are selling a product that cannot deliver on its promise AND allow the VTC to function as designed.

Oh well, at least you got your hands dirty working on your Z.

     
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