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**mongocanfly** · 09-29-2017, 04:32 AM

keep in mind ..as it was pointed out in your other post on this ..that most likely in a motorhome its actually a turbo 475.. (or 3l80hd)

09-29-2017, 04:32 AM	#5
mongocanfly Post Whore Join Date: May 2015 Location: Alabama Posts: 14,585	Re: 75 GMC motirhome TH400 rebuild ? keep in mind ..as it was pointed out in your other post on this ..that most likely in a motorhome its actually a turbo 475.. (or 3l80hd)