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#20 (permalink)

10-27-2022, 10:22 AM

twobjshelbys twobjshelbys is offline

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Join Date: Jan 2009

Location: Las Vegas, NV

Cobra Make, Engine: Shelby CSX4005LA, Roush 427IR

Posts: 5,632

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I'm going to assert the gunk on those plugs took a long time to build up. It's not new since you took it out of storage. So I'm not surprised it still runs bad. Start the debug tree.

renaissance man likes this.

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Tony
CSX4005LA

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289, backfire, ignition, timing, tuning

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