Originally Posted by
30Tooth
The crank is bored 'till the front for weight reasons and then it get's a drop of silicone to retain volume
On other model engines, crankshaft mass is not as important. Why then,
do they bore out the front of the crank?
And if it is to increase crankcase compression ratio, doesn't that mean
you just decreased the amount of fuel-air mixture in the crankcase?
Bill M.