Gear and Tire Question
Example:You have a 28" tire with 4.56 gears and you run 1.3x's 60ft's 10.2x's@130 roughly your RPM through the traps is 7,400.
Now...You change to a 30" tire with 4.88 gears, what happens?
Do you 60ft better?
Will your ET drop?
Would you run the same?
http://www.f-body.org/gears/
TH400
2.48 1st
1.48 2nd
1.00 3rd
28" Tire/4.56 Gear
6,700rpm 122mph
6,800rpm 124mph
6,900rpm 126mph
7,000rpm 128mph
7,100rpm 130mph
7,200rpm 132mph
7,300rpm 133mph
7,400rpm 135mph
7,500rpm 137mph
6,700rpm 122mph
6,800rpm 124mph
6,900rpm 126mph
7,000rpm 128mph
7,100rpm 130mph
7,200rpm 132mph
7,300rpm 133mph
7,400rpm 135mph
7,500rpm 137mph
30" Tire/4.88 Gear
6,700rpm 123mph
6,800rpm 124mph
6,900rpm 126mph
7,000rpm 128mph
7,100rpm 130mph
7,200rpm 132mph
7,300rpm 134mph
7,400rpm 135mph
7,500rpm 137mph
6,700rpm 122mph
6,800rpm 124mph
6,900rpm 126mph
7,000rpm 128mph
7,100rpm 130mph
7,200rpm 132mph
7,300rpm 134mph
7,400rpm 135mph
7,500rpm 137mph
On paper it looks exactly the same
and id be willing to bet that radials WILL be quicker and faster




