81280zx Posted February 28, 2007 Share Posted February 28, 2007 Hey all i have my stock block and head and i was woundering scince my block has flat tops and the n47 block has a dished piston would it be better power than the f54 block with my stock head on it? Quote Link to comment Share on other sites More sharing options...
Daeron Posted February 28, 2007 Share Posted February 28, 2007 um, no? You have an 81 280ZX, that has stock a p79 head and f54 block IIRC? the p79 head needs the flat top pistons to achieve the stock compression ratio; if you put your P79 head on the n47 block, with dished pistons, you will be lowering your compression ratio. Quote Link to comment Share on other sites More sharing options...
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