Cadillac 1993 Eldorado Owner's Manual Page 353

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The cast aluminum pistons use
two
compression rings and one oil control
ring. The pistons are tin plated to provide a non-scuffing surface when
the engine is new.
A
steel camshaft is supported by five steel backed babbit bearings. It
is
driven by the crankshaft through a chain at the front
of
the engine. The
drive gear is keyed to the crankshaft and the driven sprocket is bolted to
the camshaft. Both the crankshaft gear and camshaft sprocket have
locating marks to provide the correct valve timing and timing chain
installation. The valve lifters are roller hydraulic type and are positioned
in the aluminum lifter carrier.
4T80-E
Transaxle
(ETC)
&
4.6
L
Sport
Coupe
(270
hp)
The
4T80-E
transaxle has been designed to complement the output
characteristics
of
the Northstar engine. The innovative design
incorporates several features which enhance its overall operation.
339
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