You can a high flow thermostat from Auto zone in three heat ranges and help quit a bit. i have one and cooler weather it does not heat up enough. they say for racing only but i have been using one for 3 years.
Ron, The Computer Greek I love therefore I am. 1954 3100 Chevy truck In the Gallery 2017 Buick Encore See more pix 1960 MGA Roadster Sold 7/18/2017