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Thread: Decreasing Lope

  1. #1
    Potential Tuner
    Join Date
    Oct 2019
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    3

    Decreasing Lope

    Hi guys,

    The engine that I swapped into my car came with an EPS 228/240 113 +2 .629"/.604" camshaft, and to no surprise it lopes very aggressively, which is drawing a lot of unwanted attention to my car in public.

    I've lightly played with the overspeed/underspeed and idle speed boxes to try and make it idle smoothly, but since the lope is a mechanical characteristic of the camshaft, it seems like it's not doing much.

    Is there anything else I should play with to decrease the lope?

    Screen Shot 2019-05-28 at 9.57.52 PM.jpg

  2. #2
    Senior Tuner SultanHassanMasTuning's Avatar
    Join Date
    Nov 2009
    Location
    All Around
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    3,149
    its best to post a log of the idle, it could be over correcting. also higher engine speed and more ignition/fueling can drop the sound alot
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  3. #3
    Potential Tuner
    Join Date
    Oct 2019
    Posts
    3
    Awesome. I'll grab a log. Thanks!

  4. #4
    Potential Tuner
    Join Date
    Mar 2017
    Posts
    7
    More base timing will definitely soften the idle. I like mine to sound as tame as possible (with 19* of overlap) with no fake chop at all - so I have about 20* and very little adaptive idle going on - you can turn it right off in the scanner with no noticeable difference. Fuel and min air needs to be right to accomplish that, but you will definitely get a softer more natural idle than the chop chop chop of the adaptives doing a saw tooth from 5* to 35* and back every 500ms. That cam has 8* of overlap, it shouldn't be too rowdy if you don't want it to be, but you won't ever get it super smooth - just more natural sounding.