Can anyone tell me how to figure out if I have false knock? With a scan tool hooked up I get about 3 to 4 degrees at 2000 truck in park, and when I rev it it goes up to 10. I found out that knock retard won't start till around 1800 so I can't read it at idle. Turned fuel pressure up to 60 no difference. Backed off timing 2 degrees a little different but hard to tell because it jumps around. I don't want to tune the truck till I figure out if this is false knock and have to pull the motor out to fix it.
A local dyno tune guy said it has to be false knock because there is no load on the motor. I don't know if I believe that. He also said disable the knock sensor and tune so there isn't any knock and that didn't sound good to me. Many mods to truck rods, pistons,cam,ect.and its a fresh motor.
Thanks Paul
A local dyno tune guy said it has to be false knock because there is no load on the motor. I don't know if I believe that. He also said disable the knock sensor and tune so there isn't any knock and that didn't sound good to me. Many mods to truck rods, pistons,cam,ect.and its a fresh motor.
Thanks Paul