Allison Tran
I have erratic shifting with my 8.1 Allison 1000 tran. 50mph and above my tack shows 2200 to 2500 up and down from my tran shifting. Any one else every had this problem with this Allison 1000 tran.
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Its a 2003 Georgetown 35 foot 8.1 Allison workhorse . No I don't use the speed control in the hills. 52,000 miles
