hi, I know most guys use v8;s, I rebuilt a 92 4.3 v6 put a mercruiser cam in it talk about changing the ve and timming tables. anyway how many degrezz timming is safe without damaging the engine to start with? is it normal to have to lower the ve table after installing a little better cam? I had to lower 50 kpa at 2000 rpms from 50 to 40.2 inorder to achive 128 blm
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