Comments on: ATK HP97 Chevy LM7 5.3L 99-07 Truck Base Engine 385HP https://atkhp.com/product/atk-hp97-chevy-lm7-5-3l-99-07-truck-base-engine-385hp/ Building Performance Engines Since 1936 Wed, 10 Apr 2024 21:12:18 +0000 hourly 1 https://wordpress.org/?v=6.5.5 By: Don Healey https://atkhp.com/product/atk-hp97-chevy-lm7-5-3l-99-07-truck-base-engine-385hp/#comment-7226 Sat, 10 Feb 2024 13:01:39 +0000 https://atkhp.com/?post_type=product&p=4501#comment-7226 I like to update my experience with this engine from time to time. This is my third update.. I installed this engine in my 2005 Silverado z71 in 2018 following the break in procedure provided with the engine. I now have put over 60,000 mi on it without a single problem and believe me when I say I’ve used it hard at times. Towing a dual axle enclosed motorcycle trailer, a 2000lb 21’ sailboat or a 3500lb camper quite often. From nc I’ve made trips to ariz, ny, Fla. I did install a hd aluminum radiator other than that the truck is completely stock, with 336,000 mi. From my experience I’ll would feel very confident buying another engine from this company.

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