I live in ontario. have owned my 340 for 36 years. For winter preparation, put it in the garage, don't apply the e brake, put stabilizer in the fuel. leave the battery hooked up. do not put it on jack stands as the car was not designed to take that type of weight load. modern tires do not get...
When my shift light comes on its very bright and obvious, even down on the floor. I've had my tach mounted on the dash the column, etc. Found this to be the perfect spot.
I have owned my 71 Duster 340 4sp for 36 years and have had some very good Mopar mechanics build it and tune it. But the best single upgrade was the installation of MSD Pro Billet Ready to Run Distributor