headers or lifters
#1
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headers or lifters
I have a ticking noise on the drivers side of the engine. It speeds up as rpm increases, but goes away after about 4k rpm. is this header/exhaust leak or a bad lifter.
#3
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Put your ear in the wheel well. If it is extremly loud from that area, it is probably a lifter. Like jrp said, check the easy **** first so you dont get mad after you take your heads off and find it is a loose header bolt.
#6
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I see you dont have an LS1, what heads you got on your 400, if you've got press in rocker studs that could be it also, check the pushrods for straightness or any damaged ends and re adjust the valves first, see if that fixes it, if it was an exhaust leak you would be able to feel it
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#8
If you just did the headers, I'd look there first. My car now "ticks" after the LT's went in. It's a common noise after headers and not a major issue at all. It will sound louder under the car where the collectors are. Check it out. Good luck!
#9
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Also...LS1's injectors are VERY noisey due to the high fuel pressure run in these cars...I checked everything and finally gave up that it was injector tickin...couldn't hear it from the wheel well outside the car, the exhaust was nice and tight, i check all my hardened pushrods again....finally just came down to A. Lil bit of piston slap when I would 1st crank her...and B. inside the car w/the stereo off I could hear the injectors firing...
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Originally Posted by ducati916
hey 770boy you got any pics of that 350 z or z06
Ill see if I can post up some pictures.