How to start hotrodding with little knowledge or money
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A lower rear-end gear ratio (numerically higher) is one of the best dollar-for-dollar upgrades for performance you can feel. Furthermore, it complements other upgrades you may make later to the transmission/torque converter and engine. Many cars were built with high-ratio (numerically lower) "open" (non posi-traction) rear ends. And let's face it, none of us are really that impressed with the "one wheel peel!" | A lower rear-end gear ratio (numerically higher) is one of the best dollar-for-dollar upgrades for performance you can feel. Furthermore, it complements other upgrades you may make later to the transmission/torque converter and engine. Many cars were built with high-ratio (numerically lower) "open" (non posi-traction) rear ends. And let's face it, none of us are really that impressed with the "one wheel peel!" | ||
| − | There are two ways to go about changing your rear end: replacing the gears in your existing rear end or finding a rear end with the gears and posi unit you want and putting the whole rear end in the car. Either are acceptable options, but building a rear end takes some precision tools and fair bit of skill. | + | There are two ways to go about changing your rear end: replacing the gears in your existing rear end, or finding a rear end with the gears and posi unit you want and putting the whole rear end in the car. Either are acceptable options, but building a rear end takes some precision tools and fair bit of skill. |
Generally a ratio around 3.70 is considered best for performance on the street with a non-overdrive transmission (TH350, 727 and the like). Any higher and you may start feeling uncomfortable with the highway RPMs. | Generally a ratio around 3.70 is considered best for performance on the street with a non-overdrive transmission (TH350, 727 and the like). Any higher and you may start feeling uncomfortable with the highway RPMs. | ||
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