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07-17-2018, 06:16 PM
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(Thread Starter) |   Not Ranked : 0 score  High rpm misfire, tried everything. 06 MS6. Got it with cheap parts store coils and it ran poorly with random misfires everywhere. Swapped to new OEM coils and all was well except 5500+ where it would misfire. Put new NGK 6510 plugs in gapped .026 all the way to .019 and no change. There are no boost or load tables influencing a fuel cut. Stretched the springs, nothing. Replaced the springs with proper length 4 gauge copper grounding wire, no dice. At this point I'm at a loss. The tune is solid. BNR S4 on E50 at 24psi with a Treadstone FMIC, fuel pump internals and HTP 3" intake. AFR's are perfect and timing is a 4 degrees under MBT up top for now. I haven't gone into leak down, cylinder leakage or EGR leak tests yet but it looks like I'm heading that way if I haven't missed some sort of ignition fault. |
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07-17-2018, 08:11 PM
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| Not Ranked : 0 score Why multiple threads on same issue bruh?
__________________ 2013 LSM w/tech Cobb AP V3, CBE CS Turbo tuned by PD Corksport Catted DP/HPFP Internals JBR FMIC Pipe Kit w/TR8 CP-E TIP/3.5" Intake DM OCC/TMM Forge V2 BPV Bilstein B8 w/Swift springs Wilwood 6 pot BBK EBC RedStuff rear pads Konig Hypergram 18x8.5" |
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| The Following User Says Thank You to JakeMS3 For This Useful Post: | Thor Hammer (07-18-2018) |
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