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cheatr valvetrain noise with headers

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Old Sep 27, 2006 | 10:29 AM
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Default cheatr valvetrain noise with headers

Anyone with cheatr and headers have a tapping sound from valvetrain. I have ls6 heads with dual springs. It's noticeable even with the hood closed.
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Old Sep 27, 2006 | 04:04 PM
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ttttt
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Old Sep 27, 2006 | 07:40 PM
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I think that's just life, my friend. Headers will certainly amplify the valvetrain. Did you do lifters and pushrods when you installed the H/C? Are all the plugs nice and snug? How old are your wires and how many times have they been off/on? How's your oil pressure and level?
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Old Sep 27, 2006 | 10:31 PM
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Originally Posted by SLO98Z
I think that's just life, my friend. Headers will certainly amplify the valvetrain. Did you do lifters and pushrods when you installed the H/C? Are all the plugs nice and snug? How old are your wires and how many times have they been off/on? How's your oil pressure and level?
60000 mi, plugs new but not done by me. new pushrods, stock lifter. can't use 1.8 with this cam. oil pressure good, actually, it seemed to be louder at the track than it was today. My friend had me scared because my times were worse than stock with a 400hp dynosheet. Stock I was 13.2/108 with h/c I was 13.3/102. I couldn't get the car into gear since I've raised the rev limiter and shift at 6100. struggled with 2nd and had to beat it into 3rd. I hope that that explains these crappy times. I can't see my shop just giving me a false dyno report. I didn't see the car dynoed though.
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Old Sep 28, 2006 | 02:39 AM
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6100 with the CheaTr, you haven't even reached peak HP yet.
That cam should be shifted at around 6600.
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Old Sep 28, 2006 | 01:22 PM
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Originally Posted by PREDATOR-Z
6100 with the CheaTr, you haven't even reached peak HP yet.
That cam should be shifted at around 6600.
yea, but for me that results in a clutch stuck to the floor.
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Old Sep 28, 2006 | 01:40 PM
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You will get valvetrain noice. These engines have a very noisy operation. Really the only thing you can do is mask the sound.

And yeah you will have to shift higher than 6K. If you have a clutch that sticks you really should make sure that your master cylinder is in check. Not the safest thing to have a malfunctioning drivetrain.
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