McCready Farms Posted May 7, 2022 Share Posted May 7, 2022 Has anyone installed one of these Red Dot units in a early/mid 80's R model? I don't currently have air conditioning but might add it at some point. Currently my heater box is completely trashed and I'm looking to upgrade. My concern with this unit is the ductwork and fan motor fitting. Maybe it's way bigger than it looks in the picture? If the heat/defrost would work well it would be worth the money even if I didn't add all of the other components for air conditioning. Quote Link to comment https://www.bigmacktrucks.com/topic/69670-1984-r-model-heater/ Share on other sites More sharing options...
mrsmackpaul Posted May 7, 2022 Share Posted May 7, 2022 I hope they are okay, I have spent the money a little while ago Have to chop mine up as it is for LHD and I have to make mine RHD There was a thread on here some years ago and these are the best for under the dash type of AC in a R model Paul Quote Link to comment https://www.bigmacktrucks.com/topic/69670-1984-r-model-heater/#findComment-496919 Share on other sites More sharing options...
cpgeneration Posted May 7, 2022 Share Posted May 7, 2022 Once you get past the firewall re drill you will be ok. the wiring is different, blower motor will need a couple of wires to the control, and you have to run an air line to the cowl vent actuator. it is tight i did mine alone. get someone to help..... Quote Link to comment https://www.bigmacktrucks.com/topic/69670-1984-r-model-heater/#findComment-496921 Share on other sites More sharing options...
mrsmackpaul Posted May 7, 2022 Share Posted May 7, 2022 This may help Paul Quote Link to comment https://www.bigmacktrucks.com/topic/69670-1984-r-model-heater/#findComment-496961 Share on other sites More sharing options...
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