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Increase line pressure in reverse?

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Increase line pressure in reverse?

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Sep 20, 2014 | 08:30 AM

#1

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Increase line pressure in reverse?

Just installed Jakes D3 trans brake in my 4L80E and I do not have enough line pressure in reverse. Which table controls line pressure in reverse? It currently makes about 80 PSI in reverse and I'm guessing that is not enough. I am tuning with EFI live and have a COS5 411 PCM, but the tables should be the same in EFI or HP. Any thoughts?

Last edited by TDMKR496; Sep 20, 2014 at 08:40 AM.

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Sep 20, 2014 | 10:21 AM

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LSX Power Tuning

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What's your pressure like in the other gears? You can increase your overall line pressure by decreasing D3801 but that will raise it in every gear.

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Sep 20, 2014 | 05:08 PM

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Thanks Lorenz, I decreased the table 10% and it raised the pressure 25psi and now the trans works great! Thanks for your help.

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