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Old 05-27-2017, 05:30 PM   #1
Formula 5000 Champion
james9120's Avatar
Drives: 13 R
Join Date: Dec 2013
Location: ct
Posts: 2,089
Misfires, log inside

Anybody want to take a whack at my misfire issue, please do! Awaiting APR's email response but guessing I won't hear anything until Tuesday.

Starting at 5000RPM, but closer to 6000RPM I start to get sputtering. Gets worse the higher gear I'm in. Doesn't do it all the time which annoys me. I used to get a solid misfire around 5000RPM, but I haven't had that happen in some time.

Car information:

APR stage 1
Forge wintake

48K on car
3000K on new PFR7B plugs

Haven't touched the cam follower (probably original) and doing that very soon along with the fuel filter.

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