SD2-engine

The Parts

The pistons used are from CP-Pistons. Compressions is lowered to 8.2:1
Image shows CP vs stock piston on the right.

The rods are made by Cunningham and are 5 mm thicker compared to stock.
Image shows Cunningham vs stock at the bottom.

Instead of porting the existing manifold I opted for the newer 2.5T manifold which has better flow