September 25th, 2016, 05:08 PM
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Senior Member
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Join Date: Jan 2013
Location: Rohnert Park, ca.
Truck: 1968 KM2500
Posts: 1,326
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Re: 1971 GMC Bus - Toro-Flow DH478
I've got GMC service bulletins from the late 60's to 70's that mention the Turbo version DT478 in the military ambulances.
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