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Hello all, i'm making an excel spreadsheet of the vx, dx and hf gearing. I want to compare mph to rpm and I believe the formulas are
RPM=(MPH x Gear Ratio x Final Drive x 336) / Tire Diameter in Inches
MPH=(RPM x Tire Diameter in inches) / (Gear Ratio x Final Drive x 336)
From various sites I have:
CRX HF
first 3.25
second 1.65
third 1.033
fourth 0.823
fifth 0.694
final 2.95
92-95 CIVIC VX/CX
first 3.25
second 1.761
third 1.066
fourth 0.853
fifth 0.702
final 3.25
97 CIVIC DX
first 3.25
second 1.762
third 1.172
fourth 0.909
fifth 0.702
final 3.722
From my excel file if you have a 22.5" tire, with a civic vx at 70mph=2385rpm and 45mph=1533rpm.
Can anybody with a VX let me know if this is accurate, or can you post your tire dimensions and mph=rpm in 5th gear numbers so i can plug your tire diameter into my excel file to see if this is accurate?
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