The engine compression ratio was raised from 9.0:1 to 9.5:1 by adding slightly domed pistons; the intake cam was changed to a solid lifter design with a stronger cam; the intake runners in the head were straightened and the intake manifold was mounted higher up.
The engine compression ratio was raised from 9.0:1 to 9.5:1 by adding slightly domed pistons. The Pistons were upgraded to forged pistons and arms; the intake cam was changed to a solid lifter design with a stronger cam; the intake runners in the head were straightened and the intake manifold was mounted higher up.