first gear ratio's

L79racer · 11-18-2007, 09:15 PM

Just wondering what first gear ratios different weight cars have. Let me know rear gear, first gear and tire size plus weight of car. How much first gear needed for a light car compared to a heavy car? I have a 2.64 first 4.56 rear on 28" tires @2800lbs. 4.56x 2.64= 12.03 Is this way off? I would think a light car doesnt need as much first gear as a heavier car running 14x32 tires. Is there a formula that you guys go by when setting up a car? This would be for stick cars. I would think automatics is a whole different ball game with the converter.

11-18-2007, 09:15 PM	#1
L79racer Member Join Date: Jan 2005 Location: North Massapequa, NY Posts: 218 Likes: 0 Liked 0 Times in 0 Posts	first gear ratio's Just wondering what first gear ratios different weight cars have. Let me know rear gear, first gear and tire size plus weight of car. How much first gear needed for a light car compared to a heavy car? I have a 2.64 first 4.56 rear on 28" tires @2800lbs. 4.56x 2.64= 12.03 Is this way off? I would think a light car doesnt need as much first gear as a heavier car running 14x32 tires. Is there a formula that you guys go by when setting up a car? This would be for stick cars. I would think automatics is a whole different ball game with the converter.