Hows it wrong??? When something is designed and mass manufactured all the components are able to withstand the tolerances it was made for, let say for eg you change the cam in your TB42 for one that has a higher lift ( performance) and keep the rest standard, the bigger lobes on the cam are going to put more stress on the push rods and valve springs. Their tolerance is suited for standard so eventually breaking or bending from the added strain!!Originally Posted by taslucas
Get what i'm saying ???
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