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#1
09-11-2005, 04:30 PM
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higher rpms...
i looked at an rsx-s today for my brother... everything seemed cool except there was a sound that started at about 4500 rpm... the only way i could describe it would be like the sound of pop rocks, but muffled. Any idea what this could be? Sounds weird, i know :-/ I guess im just wondering if maybe it is a normal sound for rsx's or somethin (which would be odd IMO)
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#2
09-12-2005, 06:57 AM
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Re: higher rpms...
I had a strange metallic, low-key "rattle" (is the only way I can describe it) at around 4500-5K+ right before i-vtec engage a while back. Posted here and brainstormed a little with no conclusion. Changed my oil (thought maybe it was low oil pressure) and punched it a few times smoothly up to 7K. I still hear I slight noise if I take it right to the engagement point and then back off the throttle before or as the pin is engaged, but nothing if I push through it into higher rpms. Everything checks out with my car mechanically, so it really doesn't worry me much anymore, and it seems to have quieted as I've broken the car in.
__________________
 I've got a fever. And the only prescription is more cowbell...
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#3
09-14-2005, 06:24 PM
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Re: higher rpms...
Has to be something related to the vtec kickin in.
__________________
01 Honda Accord LX- YEAH IT HAS VTEC BITCH. WHAT
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#4
09-16-2005, 06:19 PM
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Re: higher rpms...
Yeah- I just don't think it has anything to do with the actual mechanical or electrical systems specifically involved with the technology. I feel like there is some random plate or some extraneous thing somewhere that rattles lightly as a result of the change in pitch at crossover. Of course, It just occurred to me that I could be talking about something totally different than the problem initially mentioned as I really have no fucking clue what Pop Rocks sound like...
__________________
I've got a fever. And the only prescription is more cowbell...
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#5
09-16-2005, 09:19 PM
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Re: higher rpms...
the sound is most likely coming from the plastic cover over your valve cover and intake. We get customers with this complaint all the time and this is the fix 95% of the time. You just have to apply some felt at the point of contact where the rattle is, or you can mold the plastic cover with heat too. Its weird too, cuz it only happens at certain Rpms, when the vibrations are just right.
__________________
94' Del Sol VTEC (B16A3) SOLD. Accel plug wires, NGK iridium IX plugs, AEM short ram intake, DC sports ceramic coated header (4-2-1), Airmass high flow cat ,Custom Magnaflow exhaust, Bosal Brospeed tips, Neuspeed short throw shifter, Tokico clutch master cylinder, Tokico clutch slave cylinder, Prothane complete kit bushings, Brembo front rotors, NR EL-Glo instrument gauges, CTR LSD trans with ITR final drive, Exedy chromoly flywheel, ACT HDSS clutch kit, Raxle axles.
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#6
09-16-2005, 09:27 PM
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Re: Re: higher rpms...
Quote:
__________________
01 Honda Accord LX- YEAH IT HAS VTEC BITCH. WHAT
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