the book says 8R19.5 8ply is what came on all 84 310s. but most have converted to 12 ply for peace of mind. as we all overload. dont know where alan got his tire size???? probably will work also.
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AL
2007 chevrolet 2500 duramax 6.6
allison 6 speed
2004 classic 28 WB , Pro Pride P-3 hitch
centramatics wheel ballancers 300-556
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