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5k cam


chris76

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20 hours ago, kickn5k said:

If you are constantly running 98 premium you could easily get away with 11:1 and a bit static comp. You'll need upgrade valve springs for either.

Twin 40's would be close to right. 38mm bike carbs work well with real similar combos.

What valve springs are the best to use in a 3k head?

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  • 2 weeks later...
On 2/2/2020 at 2:22 PM, chris76 said:

What valve springs are the best to use in a 3k head?

Any of the 3k to 5k upgrade springs fit all the k heads.

What are the best? Consult the cam grinder who is doing the camshaft, they will know what pressure you'll need.

Edited by kickn5k
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