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Old 01-09-2013, 02:09 AM   #1
chasbmw OP
Beastly Adventurer
 
Joined: Feb 2006
Location: Bath Uk
Oddometer: 1,520
Rocker ratio airheads

To degree the cam on my R90/6 I need a dial gauge.

I can buy them with a 10mm or a 30mm range, which to buy?

What is the rocker arm ratio on airheads assuming that I take the cam readings off the valve spring collets?

Any advice great fully received.
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Charles
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R90s 1070 replica, R90/6
1971 Commando Fastback
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