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Thread: 4l80e swap done now some questions

  1. 01-20-2008 #1
    RamAir02TA77
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    4l80e lockup messed up

    Well I finally did my 4l80e swap im wondering if someone could send me a file that they have already. The lockup seems alittle screwy seems like it kicks in and out randomly so Im wondering if anyone knows what the deal is there. I notice it realeases when I let off the brakes where the 4l60e would stay locked until the realease speed was met. Is there anything I can do to keep it locked up I used the tables from my 4l60e for now and it seems to be different. I can post my file then does anyone have a file from an f body that I could try to take a look at?
    Last edited by RamAir02TA77; 01-20-2008 at 05:32 PM.
    2002 Pewter Trans Am WS6
    Performabuilt 4l80e and Yank PY3600 K&N FIPK Borla Exhaust No Cats Pacesetter LT's Pacesetter ORY Comp 232/236 595 600 110LSA PRC Dual Valve Springs NOS Nitrous 125 Wet Shot MSD 8.5 Plug Wires MSD Window Switch Competition Engineering Drag Shocks Custom Ghost Flames HSW Standalone Fuel System
    383RWHP 385RWTQ NA
    437RW on 125 shot unlocked 800 psi bottle pressure
    Motor 11.7 @ 115 1.6 60ft Spray 10.7 @ 125 1.46 60ft (times with 4l60e and yank ss4000)
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  2. 01-20-2008 #2
    Russ K
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    Make sure that the idle & low rpm misfire tables are set to 32767. If a misfire is detected (normal with your camshaft), the TCC will unlock.

    Russ Kemp
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