I had a 1999 Volvo-Penta 5.0Gi vortec with TBI, not happy with the performance, decided to upgrade to a 5.7Gi. Bought a block and heads from Craiglist. Had a local machine shop rebuild c/w new pistons, camshaft etc..I put everything from the 5.0 onto the 5.7 ( ECM,TBI new ex-manifold, risers) I...
