never seen any knock on my car is this normal for a stock motor 30lb inj i run 20#'s of boost with smc alky TT alky chip running a mix of heet and water/ also ive tried windshield washer fluid -20 with heet to spike the mixture some folks say to run str8 methanol or denatured alcohol w/e.....regardless..any ideas why ive never seen my scanmaster read any retard degree.my o2's are inline with scanmaster tune tips? but no knock per Scanmaster..even in wot...is this ok? i just bought a casper's knock gauge from a member and im waiting for it (ups) to install it but i drive my Buick pretty much daily....im worried.. is my scanmaster rdg ok?? no mal codes