A similar idea attempted to alter the camshaft timing but proved too ... of the Model T Ford and most internal combustion engines were of a poppet valve design, yet it was still viable to at ...

The key distinction between a conventional 4-stroke engine and a 6-stroke design lies in the cam and valve timing ... Porsche ...

During his time at GM, Jeremy also co-authored and co-lectured a seminar on the effects of variable valve timing on IC engine combustion, and in 2003 received his Professional Engineers license. In ...