the lower numbers are only for engnies that the mechanical limits are not interfering by hitting-piston to valve and valve to valve.. the lobe center choice has everything to do with -- combustion chamber geometry and piston crown and cam duration have the biggest influence to what cam lobe angles are viable.
I want a good idle and street type running conditions. at 102 equal centerlines- there is 102 degrees of cam lobe angle separation. The midrange was incredible. The idle is almost nice, throttle response is violent.
110 separation is closer to a street tune. your 107/109 setting is actually a lazy 108 and close to what I'm after, but every engine is different.
I rode it last night and the power is very strong starting at 5K and it gets massive at 7K.. I'll be heading up to 108/108 for my next experiment.
I need it to be a little more tame as I ease into the throttle.
OH I almost forgot I put the lock up clutch on it. a little bolt and nut on every other arm- for starters.
on a 4th gear roll-on it slipped just a slight bit about 6K and hooked- nice and predictable function, But I'm putting a bolt on every arm for a little more grip.
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