Build Year and miles on your chassis
Our 2003 Dolphin is on a Workhorse W22 with 8.1 Vortec/Allison 1000 five speed transmission. It has 79,000 miles, of which about 25,000 have been towing a 1999 Grand Cherokee. I am hoping for 70,000...
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Late 03 with Cummin ISL 400 and 72K miles. See no reason why it's moot good for another 10-15 years .
