4s cam

[Ian James]

please tell me

 

[baz]

Thread '2S, 3S, 4S Cam Ramps - design philosophy. Read this if you have one!' https://www.accessnorton.com/Norton...n-philosophy-read-this-if-you-have-one.38585/
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[dero]

My only cam experience is std then 4S , love the 4S . Road bike , 920 , mild head work , aprox 9 : 1 comp .

 

[baz]

My only cam experience is std then 4S , love the 4S . Road bike , 920 , mild head work , aprox 9 : 1 comp .

Are you running the standard carbs/exhaust?

 

[dero]

Std exhaust & 35mm flat slides .

 

[Fast Eddie]

Std exhaust & 35mm flat slides .

Good combo !

 

[Ian James]

Thread '2S, 3S, 4S Cam Ramps - design philosophy. Read this if you have one!' https://www.accessnorton.com/Norton...n-philosophy-read-this-if-you-have-one.38585/
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Thank you Baz I now have an inkling as to why I have a pulverized exhaust valve seat , head , piston and valve. The good news is that the cylinder is unmarked. some times you just get lucky .