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why my engine sputters high rpm??

 
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Old 04-12-2009, 11:31 AM
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why my engine sputters high rpm??

ok just did some major modds. here they are..

98 honda prelude type sh

-BC stage II camshafts
-BC valve springs and retainers
-AEM cam gears

my engine feels stronger, accelerate faster and vtec kicks in louder!
only problem is that when im about to hit redline, or around 7000 rpm, my engine sputters, popping noise coming from my muffler, making me loose power. the result of this is me loosing to a hatch with LS swap. embarrasing!!! the guy is talking smack, and my car is not tuned!!
please help me fix this problem,

my engine was not having this problem before the modds. im thinking it might be ignition.. maybe my ignition may not be strong enough to handle the high compression of my new modds on high rpm.
ive read about msd ignition system. is this what i need?? looking into buying it.
here are my ignitions

-NGK Laser Platnium spark plugs
-NAPA Premium Wires, (never had a problem with these on stock motor)
New Cap and rotor.

what you guys think.
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