JoshPhelps Posted November 22, 2014 Share Posted November 22, 2014 Gents,Am looking into a 78 R model with 237 and straight 5 for my first Mack that would be used for light hauling and recreation. Don't know the model number yet, but the guy who owns it and has for over 10 years says that the engine is VERY strong, unusually so for a 237. He says it needs little things to become an on-road truck that'll DOT, and that he loves the truck and is only parting with it because his wife won't drive it since fracturing her wrist driving it. I'm looking for any advice, thoughts, words of wisdom/caution that you have to offer before I go further with this one. Quote Link to comment https://www.bigmacktrucks.com/topic/37823-looking-into-r-model/ Share on other sites More sharing options...
85snowdog Posted November 22, 2014 Share Posted November 22, 2014 Instead of posting twice , I will welcome you here.WelcomeAs for your R with a 237 , in my opinion, it is a very simple and bullet proof truck. Perfect for your application .My only concern would be the rust in the cab and frame. There is others here a lot smarter than me , hopefully they throw in their 2 cents.Keith Quote Keith Link to comment https://www.bigmacktrucks.com/topic/37823-looking-into-r-model/#findComment-267716 Share on other sites More sharing options...
Wobblin-Goblin Posted November 22, 2014 Share Posted November 22, 2014 Yes, mechanically, that set up was pretty close to being bulletproof. Quote Link to comment https://www.bigmacktrucks.com/topic/37823-looking-into-r-model/#findComment-267718 Share on other sites More sharing options...
j hancock Posted November 22, 2014 Share Posted November 22, 2014 A 237 should be an R685 which is good reliable unit with basic maintenance. Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/37823-looking-into-r-model/#findComment-267722 Share on other sites More sharing options...
JoshPhelps Posted November 23, 2014 Author Share Posted November 23, 2014 Thanks, everyone. I'm a grateful new member of BMT. The owner tells me that the 237 is REALLY strong, unlike other 237's he's been around. Pump mods? Quote Link to comment https://www.bigmacktrucks.com/topic/37823-looking-into-r-model/#findComment-267779 Share on other sites More sharing options...
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