Edelbrock / RHS heads, or go BIG block and put it to bed!

My 340 has 3.91 gears and only a 25 1/2 inch tall tire. Around town its great, maybe could use 4.10 gears for best power range, HOWEVER its too much on the freeways @ 75 mph, runs fine but engine doesn't have to spin all so much. Think 29 inch tires would be best then--expect I''m around town more than on the freeways.

3.73 gears and a 28 inch tire is great for high speed use but for 1/4 mile runs, ugh, put a 4.56 gear in.