Gear ratios........(its hot check it out)
03-22-2005, 12:35 AM
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Car: 2001 Camaro SS
Engine: LS1
Transmission: T56
Gear ratios........(its hot check it out)
yes haha my title is kind of mis leading, BUT...someone please explain to me about gear ratios... like i have 3.73s what makes that different from 4.10s and 2.73s or wutever.......
03-22-2005, 01:11 AM
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Car: 1993 Nissan 240sx
Engine: Turbo KA24DE
Transmission: 5 spd
Axle/Gears: 4.08 VLSD
Nono, if your rear end ratio is 3.73 it's short for 3.73:1. So wheels spin 3.70 rotations while the driveshaft spins one.
edit: oops I am an idiot. It's the other way around.
edit: oops I am an idiot. It's the other way around.
Last edited by 305q_ta86; 03-22-2005 at 01:43 AM.
03-22-2005, 01:21 AM
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Car: 92' B4C Camaro
Engine: 350
Transmission: G-Force T5
Axle/Gears: 3.73
Say you spin your wheel 1 turn and your driveshaft turns 3.5 times.
More than likely you have 3.55 gears.
My old rear (10 bolt), the driveshaft turned 3.37 turns, I knew it was a 7.5 rear, so it had to be 3.42's. Called the dealer, gave them the last 8 digits in my VIN and I was right (3.42"s)
So, the lower gear you have (ie:3.73's, 4.11's) the more turns your driveshaft will turn for ever 1 turn your tire spins.
This only works if you have a POSI, if you have an OPEN type, multiple the driveshaft turns by 2.
More than likely you have 3.55 gears.
My old rear (10 bolt), the driveshaft turned 3.37 turns, I knew it was a 7.5 rear, so it had to be 3.42's. Called the dealer, gave them the last 8 digits in my VIN and I was right (3.42"s)
So, the lower gear you have (ie:3.73's, 4.11's) the more turns your driveshaft will turn for ever 1 turn your tire spins.
This only works if you have a POSI, if you have an OPEN type, multiple the driveshaft turns by 2.
03-22-2005, 01:23 AM
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Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Originally posted by 305q_ta86
Nono, if your rear end ratio is 3.73 it's short for 3.73:1. So wheels spin 3.70 rotations while the driveshaft spins one.
Nono, if your rear end ratio is 3.73 it's short for 3.73:1. So wheels spin 3.70 rotations while the driveshaft spins one.
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