Weird knock/miss

1

1SLOSUV

New member
My typhoon is either knocking which i dont think because i am running straight 110 race gas and 40 psi of fuel pressure on 14 pounds of boost, or missing spontaneously. it only does it sometimes it doesnt have to be under WOT it did it just half throttle thru third it feels like its hitting fuel cut kinda like a stagger i dont have datamaster but dont think its knock anyone have any ideas?
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Last edited:
cheatham2492

cheatham2492

New member
Re: Weird knock/miss

Ignition Sounds like. Running that low a boost I'll bet your really rich with that gas. lean it out via O2 sensor.Check the plugs,wires,cap and rotor.
HTH
Dan
 
SEL777

SEL777

One of 101
Re: Weird knock/miss

I get a strange ping every now and then. I always run Shell V-Power 93 octane and I go through a lot of gas with the miles I drive. I have had it DM and fuel seems good. I know there was some knock but I'll have to check on that. Good luck.
 
TYHOGG

TYHOGG

Active member
Re: Weird knock/miss

I just started having a similar issue. When i get full boost 15,16,17lbs, i get a few short flashes from the ultimate chip, and it stutters a little bit, But it only does it at full boost. Its weird since i have never had this happen before. I don't know if the knock sensor could be going bad, or something else. I have brand new ignition; plugs, cap, rotor, wires, msd 6a, and coil. Any ideas?
 
cheatham2492

cheatham2492

New member
Re: Weird knock/miss

Dude i have had problems with the MSD i was using it would stutter a high boost as well disconect it and see if it still dose it.then check the plugs.
HTH
Later
Dan
 
TYHOGG

TYHOGG

Active member
Re: Weird knock/miss

I have ran it 3 months with no probelms at all. It seems to pull harder upper end with on the truck. But i think i found the problem, it sound like i have a bad lifter on the #1 cylinder exhaust valve. it was real audible when i started it this morning in the cold, got alot quiter once it warmed up. I guess its time for the rebuild, I have been stock pilling parts for some time, just a good excuse to use them
 
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