mill 5.3 heads for a 408?
03-27-2007, 09:29 PM
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mill 5.3 heads for a 408? I have been reading a lot lately about how important the DCR is to be higher for these 408's. I currently have a TSP 408 with -12cc pistons and tsp 5.3 2.5r heads milled to 62cc. This puts me at 11:1 or so. Is it adviseable and can I mill to 58 or 59cc? That should put me at 11.3-5:1 which should pick up some noticeable power I think. The valves are ferrea 2.04 / manley 1.575 and I am running the TSP Giant Cam.
