4l60e hd built for ls6
07-12-2016, 12:25 AM
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4l60e hd built for ls6 hi....
i have a 57 chevy with 2002 ls6 and a recently built 4l60e (beefed up) and i cannot figure out why it will not shift correctly. It has new painless wiring harness and fluids are all fine. My tuner has looked at it for a week and he doesnt know whats going on. All wiring hooked up correctly. it does not go past 10 mph when given gas and i dio not want to ruin this trans (very expensive). please help if you can..............Jerry
i have a 57 chevy with 2002 ls6 and a recently built 4l60e (beefed up) and i cannot figure out why it will not shift correctly. It has new painless wiring harness and fluids are all fine. My tuner has looked at it for a week and he doesnt know whats going on. All wiring hooked up correctly. it does not go past 10 mph when given gas and i dio not want to ruin this trans (very expensive). please help if you can..............Jerry
07-17-2016, 12:15 PM
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Good insight. OP , it would be a good idea to contact PAINLESS
07-17-2016, 01:14 PM
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we called painless harness a few times and they kept swearing it was perfect. we did the trans again. Yep painless at fault. THe shop that did it has ordered a few painless harness from them. If it's the same as the Op then this would be the 3rd or 4th one that this has happened too. We found out by calling somebody else who experienced this.