Originally Posted by E.Furgal
and both lb9's used the same cams, and rating..
my 86 305 4 barrel makes 180hp(in my g body).. the tpi was not 190.
it's a miss print.(numbers game). if they had different cams the engine code changes..
those are the actual gm numbers underated or not thats what they were sold as
and they do have different cams its been verified on tgo the ecms even have different tunes from auto to manual