Do I really need a 4l80e?
03-03-2016, 12:05 AM
#32
I tuned a Duramax with a 4L85E behind it that is holding up to over 800 ft/lbs of torque with the only transmission mods being a shift kit and deep pan. The thing has held up over 180K miles since tuned and had around 150K on it when tuned. LOTS of heavy towing involved as well.
My point is you can build a 4L80E practically stock, put a shift kit in it, add the TCI low gear planetary set and a good converter and be well ahead of ANY 4L60E build!
My point is you can build a 4L80E practically stock, put a shift kit in it, add the TCI low gear planetary set and a good converter and be well ahead of ANY 4L60E build!
Very rough numbers.
$1000 refreshed 4l80e.
$200 shift kit
$900 TCI low first gear.
$2100 vs $4000+ for a 4l60e level billion build.
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