2.76 to 3.91's SG

moparfury123 said
i ran across this little program a while back too if it helps

http://vexer.com/automotive-tools/speed-rpm-calculator

Only thing is most these sites don't really take into consideration drag or vehicle weight so I always assume it's a little less.

I used this site... http://wahiduddin.net/calc/calc_speed_rpm.htm