While the Allison is suitable for stock applications, we’ve found that it does have its limitations— particularly when flywheel horsepower exceeds 370 horsepower. That’s when the stock clutch packs can begin to slip, putting the computer in the dreaded “limp home” mode and once a clutch has slipped, the next time it will slip easier and easier.
Allison 1000 Clutch Count
Product Warranty See product description
Allison 1000 Transmission
2001-2004 Duramax 6.6L LB7 Transmission Kits:
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Calculations shown represent estimated fuel savings when using power train efficient products such as air intake kits, exhaust systems, torque convertors and electronic performance modules on RV/Tow settings - actual results may vary.