The SL63 AMG is powered by an AMG 6.3 - liter V8 engine that features four valves per cylinder, variable valve timing,
bucket tappets (rather than rocker arms) and a variable intake manifold.
Fully revised high - speed valve train with modified camshafts, adapted cam geometry and optimized
bucket tappets featuring a special coating that is typically used on race vehicles - Modification of the intake air ducting: de-throttling and adaptation tomatch the new maximum engine speed
The engine features dual overhead camshafts with variable valve timing, low - friction cylinder walls,
bucket tappets (as opposed to rocker arms) and an impressive 11:1 compression ratio.
In the SOHC design, the camshaft operates the valves directly, traditionally via
a bucket tappet; or via an intermediary rocker arm.
Not exact matches
As your cam rides on top of a
tappet or «
bucket» the clearance between the cam and the
tappet /
bucket can increase or decrease over time.
It usually acts upon the valves via cam
buckets, also known as
tappets).
Other high - tech features include variable camshaft adjustment, four - valve technology with
bucket - type
tappets, a particularly rigid aluminum crankcase of closed - deck design and the low - friction TWAS coating on the cylinder contact surfaces.