Dan Vance and Fuel moto 777 power
The Woods 777 cam likes more compression so you would need to install high compression pistons to get the most out of the 777. Also you will need to keep your RPM range higher with the 777 because it isn't a good low end cam.
If you are leaving the cylinders and pistons alone and running lower compression there would be better cams for your build.
Unless you are running the bike balls to the walls and want to see who can get to the next tavern the fastest there is really no need for a big build.
For a 103 the stock heads will give you plenty of power with the right cams.
Look up some dyno sheets on some Woods cams on Fuel Motos web site and you will see that the 777 won't give you much more than the 222 and the 222 will be a lot better cam for the heavier touring model Harleys. JMO
You should look at the Dynos Fuel moto is getting with their pipes, head and pipes. The 777 is breaking 100 ftlbs at 2400-2600 rpm in 103's depending on the build. 100 ftlbs below 2700 is plenty as long as it keeps building.
Dan Vance knows what he is doing. Have him show you some dyno's so you know what to expect.
The 222 is a good cam but if you are doing heads at the same time the 777 and 888 can make as much low end as the 222 with more upper mid range and top end.
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