The lightweight aluminum cylinder block features
cross-bolted main bearing caps and thick main bearing bulkheads for bottom - end strength.
Deep - skirt cast - iron block with
cross-bolted main bearing caps, aluminum alloy heads with hemispherical combustion chambers
Cross-bolted main bearing caps are secured to the block with four main bolts and two cross bolts each.
The new LR - V8 engines are built around a stiff, all new, aluminum block with cast - in iron liners and
cross-bolted main bearing caps, to reduce noise, vibration and harshness.
Labeled Triton for truck applications, the 4.6 has
cross-bolted main bearings and single overhead cams profiled for a torque curve that suits a pickup.