I have a 1939 Plymouth P7 deluxe business coupe with the 201 flathead6 three speed manual trans on the floor stock rear end, with dual stromberg super 97 carbs, my question is are theses engines a high reving engine because I take it on the highway all the time at 55-70 mph and it seems like it’s screaming but maybe that’s just me this is my first classic car I just don’t kno much about the flathead 6 any info on how to tell to much rpm’s would be great, there is. No rpm gauge in the car . She runs great and just hit 59k miles on it.