This is a discussion on engine knock within the Internal Engine forums, part of the LSx Technical Help Section category; the car is a 2001 ss camaro 55600 miles. full exhaust,intake, superchips tune, you know the normal stuff. had problems ...
04-11-2009, 11:29 AM #1
- Join Date
- Mar 2009
- 2001 camaro SS
the car is a 2001 ss camaro 55600 miles. full exhaust,intake, superchips tune, you know the normal stuff. had problems with engine knock at high rpm, only in drag race situations. i have battle the problem before (52,000 miles) but fixed it with a pcv valve ,pcv catch can, and 2 bottles of GM top engine cleaner.solved the problem until now. but the condition is random, may not happen one run but the next it will.? DOES anyone have any good sugesstions. thanks
04-11-2009, 01:48 PM #2
- Join Date
- Oct 2007
- Cushing, OK
- 2000 Z28 M6 HT
Is the knock you are hearing at high RPM detonation?
If so make sure you are using 91 octane. If the superchips
tuner you use requires the use of 93 octane use that.
I've never used the superchips tuner but I know that a
lot of the handheld tuners on the market are designed
to be used with very basic mods, nothing past catback &
air intake. If you have headers the A/F ratio may not work
well with the superchips tune. A dyno tune may be benficial
for you. Oh & check your spark plugs.
Anyways that's what I would do. If the noise you are hearing
isn't detonation, I don't really know what to tell you.
04-13-2009, 05:10 PM #3
How do you know you are seeing knock? Are you saying you are physically hearing the egnine knocking... or you are putting out a code? I dont like those hand held programmer tunes. Have you had a REAL tune yet? You could get my with a mail order tune from Frost and I bet 10/1 it would be better than that super chips.
04-13-2009, 05:13 PM #4┌∩┐(◕_◕)┌∩┐
Man: The Mods you are fighting,
they are the biggest Men I have ever seen. I
wouldn't want to fight them!
Me: That is why no one will remember your name!
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