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White flour1gawd

Proven Member
69
10
May 22, 2016
minneapolis, Minnesota
Can anyone look at this and tell me whats wrong? My car keeps breaking up at around 5200 rpm
 

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92 gsx, 2.4, hks 272s 5 speed, fp green, 1150s, 255, 2g head. 25 pounds. evo 3 exhaust adn intake manifold 3 inch exhaust, buscher fmic, 93 octane
 
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^^^^With that said^^^^

You are seeing a decent amount of knock starting @ 5000rpm, AFR's go lean a few times (once @ 5282rpm you see 33.2, other times you are seeing 12.5-13.2). Timing seems to vary a lot too. definitely post up a log we can visually see.

I highlighted some area's of concern.
 

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