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BlkHrtBlnd's avatar
BlkHrtBlnd
Explorer
Jun 15, 2016

Help - I don't want to kill my truck with my trailer...

Hi there! Long time reader, first time poster... I've been digging and mathing etc et al and based on what I've read here, your Good Minds can probably help me figure this better than I can, so her...
JCR-1's avatar
JCR-1
Explorer
Jun 15, 2016
I have an Avalanche with 5.3 engine and yes it will be sluggish going up hills and mountains.After towing 3500 lbs I had to put in a new differential , but that was doing a lot of mountain pulling and long highway stints.Great motor ,tough, but not strong enough when going up .Rear end ..not so tough ??

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