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Thread: Loads of detonation when its hot. Can't seem to get rid of it

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  1. #1
    Fuel Injected!
    Join Date
    Jun 2015
    Posts
    55

    Loads of detonation when its hot. Can't seem to get rid of it

    Scan9495 log is here and I am attaching the current BIN.

    I have been chasing this detonation issue since this engine was assembled. This log shows that at times, its pulling 5 degrees of timing out to get rid of it, but its still there. 383, TrickFlow injectors, TrickFlow 195 heads, Cam is 224/230 .560/.544 112 LSA . 160 T-stat. Car is running 91 - which is the best I can get around here. The issue is really bad when its 90 degrees or above, and/or after the car is sitting in traffic. The trans also shifts a bit funny. Sometimes after taking off and going WOT, it'll upshift to the next gear at a low RPM

    Everything is new. New opti, wires, plugs, MAF, MAP, ECT, coil, ICM - you name it, its new.

    If anyone can take a look, I'd sincerely appreciate it. At this point, I am considering a different cam because nothing else seems to be working with this detonation. I literally have no ideas left.

    Edit: Fuel pressure is good at the rail.
    Attached Files Attached Files
    Last edited by atlantadan; 05-20-2017 at 12:54 AM.

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