Thread: 1988 Canadian GMC C1500 305 TBI w/TH400HD going into 1973 C20 Custom Crew Cab
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Old 08-24-2015, 06:29 PM   #11
dwmitchell61
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Location: Benton City, WA
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Re: 1988 Canadian GMC C1500 305 TBI w/TH400HD going into 1973 C20 Custom Crew Cab
The TH400 transmission identification
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