The factory transmission cooling on the Chevrolet and GMC Duramax L5P 6.6L is sized for stock duty, and fluid temperatures climb fast under the sustained load of towing and heavy hauling. Heat is w...
The 10-Speed Allison found in your 2020-2023 L5P Duramax is known for its smooth shifts and great performance while towing. However, it still leaves a bit to be desired when it comes to shifting in...
The Allison 10L1000 is subject to a lead time.
“MUST KEEP FACTORY TRANS TUNING / NO TRANS TUNING ALLOWED”
*Must use factory fluid / Dexron ULV*
The new Allison 10L1000 shares NOTHING with its prede...
The Allison 10L1000 torque converter is a great design for a stock truck. However, adding more than 75hp will quickly overpower the stock clutch setup. Unfortunately, with the way this unit is made...
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