Gear Ratios

[Neville Lush]

If the engine has another 1200-1500 rpm this changes again.

 

[Kevin frazier]

RPM = mph x gear ratio x 336 divided by tire diameter. for gear ratio do i use the final drive ratio here of 2.846:1? seems logical when doing the math. so using this as my gear ratio, 130mph x 2.846 x 336 divided by diameter of my stock tire 25.9. Rpm= 4799, am i working this correct. One more little question here, the drag slick from m&h is 5.0/26/16 i convert that to 127/99/16 if this is correct can someone help with diameter of the slick please, im not the brightest tool in my shed and im not trying to be lazy here just a little off track I believe, thanks any help or tip is very appreciated and i have a memory like an elephant thanks for any tips or push (and not off a cliff somewhere)

 

[Frans]

diameter of the slick

would Tire Size Calculator help?

 

[Kevin frazier]

would Tire Size Calculator help?

Ive been working that, thats how i came up with 127/99/16 on the drag slick and then a calculator wont give diameter because thats a jacked up size 127/99/16, thanks man

 

[TURBO200R4]

i am thinking (bad news lol) the rocket is not one to one in fifth gear don't know how much that would throw off the calculation?