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Re: flat spot a little after 3k rpm...
Posted by KeithG (more from KeithG) on Wed, 28 Mar 2001 10:29:08
In Reply to: flat spot a little after 3k rpm..., kooch, Mon, 26 Mar 2001 18:17:11
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don't know for sure, but this sounds like an ignition problem to me. if boost is constant (means hooter seems to be holding), fuel pressure is up, the AMM signal is probably not dropping, it would point at ignition. You could monitor the O2 signal and see if it is leaning out when this occurs, but I would doubt it. Possibly wrong heat range plugs, weak coil, bad timing dashpot. With a hopped up engine, maximum performance can be attained with enhanced ignition. Look to better wires, better coil, better ignition (MSD6-BTM). hope this helps
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