High rpm hesitation with boosted B18C1
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Joined: Jun 2001
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From: Dandridge TN
High rpm hesitation with boosted B18C1
First, here's the setup: 91 HB, stock 94 B18C1 with 100k miles, ZDYNE B16 ecu, AFC/450s, TD05-18G.
The car runs great except for a high rpm stutter. Under WOT, 8psi, and above around 6500rpm the engine begins hesitating. It still pulls but feels like it's missing. Any ideas? I run BKR7Es gapped at .032. Could the additional fuel and boost be too much for the spark made by the stock ignition? I know people make more power than I am on stock ignitions but I don't know what else it would be.
TIA.
[Modified by 91CivicSi, 10:18 PM 1/1/2003]
The car runs great except for a high rpm stutter. Under WOT, 8psi, and above around 6500rpm the engine begins hesitating. It still pulls but feels like it's missing. Any ideas? I run BKR7Es gapped at .032. Could the additional fuel and boost be too much for the spark made by the stock ignition? I know people make more power than I am on stock ignitions but I don't know what else it would be.
TIA.
[Modified by 91CivicSi, 10:18 PM 1/1/2003]
Joined: Sep 2002
Posts: 1,341
Likes: 0
From: You wish I was..., USA
Re: High rpm hesitation with boosted B18C1 (91CivicSi)
Chaeck your wires and clean out your distributor. I had a similar problem. Turned out to be a short inside the distributor, and my wires were kind of ancient. I had them on since '97
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