opinions on a 340 build

80 miles a week isn't nothing. I'm not too hip on using a 4 inch stroke but its got that factory cast crank and only 80 miles a week, a stroker might be the way to go for you

I got 5,000 miles on m 340 in two seasons and using 3.91 gears, so I was more worried on the engine lasting a nice long time. I would have even more miles on the engine if gas was cheaper. I can't drive 55 either on the freeways, that little 340 screams on the E ways