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Discussion Starter · #1 ·
Quick question, for an SR20DET.
Would it be possible to use 9.48mm OD shims instead of the OEM 10mm OD?
I've got too much valve height difference, and the head is in place so i really dont want to take everything appart to redo de valve stem.
My thinking is since the cam lobe doesn't press the shim directly, only the rocker arm, there shouldn't be any danger of popping, since the rocker arm is always in the same position. Dead center to the valve. A 5% diameter difference should not really be that big of a deal, unless i'm missing something.
9.48mm OD shims are the only ones I could find that offer me the heights I need.
 
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