1941coupe Posted October 19, 2018 Report Share Posted October 19, 2018 Living in Southern California, I'm not running a heater in my car, a 1941 Plymouth coupe. I still have the shut-off valve at the back of the head installed with the return hose going to the water pump, as the car originally came with a heater which began to leak, so it was removed. Would there be any issues removing the heater valve on the head and plugging it as well as the return line connection to the water pump? I can't see any myself but welcome input from other members. Quote Link to comment Share on other sites More sharing options...
Andydodge Posted October 19, 2018 Report Share Posted October 19, 2018 I wouldn't think there would be any issues, just to make sure you have the correctly threaded plugs, which would be either steel or brass, either way I'd use some neverseize or similar pipe thread compound also.....I can relate to the lack of a need of a heater...I installed one 30 yrs ago & have used it about 3 times..........lol...........andyd 1 1 Quote Link to comment Share on other sites More sharing options...
Young Ed Posted October 19, 2018 Report Share Posted October 19, 2018 I ran my truck like that for years before adding a heater. No issues. 1 Quote Link to comment Share on other sites More sharing options...
Dan Hiebert Posted October 19, 2018 Report Share Posted October 19, 2018 No issues. Our D24 has been set up like that since we've owned it. Ours still has the valve at the back of the head, but it's simply been closed all this time - same difference as plugging the hole with something else. 1 Quote Link to comment Share on other sites More sharing options...
1941coupe Posted October 19, 2018 Author Report Share Posted October 19, 2018 Thank you guys, best pals a flathead nut could ever have! Quote Link to comment Share on other sites More sharing options...
9 foot box Posted October 20, 2018 Report Share Posted October 20, 2018 My thought would be to connect the pump to the rear head connection, and open the valve, to have full flow of coolant though the back of the block. Is that wrong? Quote Link to comment Share on other sites More sharing options...
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