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How does weight affect the max capabilities of a diff or trans for that matter?

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Old Feb 22, 2016 | 10:51 AM
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Default How does weight affect the max capabilities of a diff or trans for that matter?

Considering that there is a general "limit" of stock rear end and trans, how does that change when it comes to lighter car vs heavier car?

Under assumption that everything else is the same. And not being launch super aggressive on slicks.

Will a limit off 400trq on a 4000lb be like around 600trq on a 2000lb?

And side question in regards to traction/tire.

Is there. Ratio of weight/power vs tire width?(assuming same compound and diameter?
Meaning if a 4000lb with 500whp has traction with pair or 315
Then on a 2000lb car with 250 all you would need is like a pair of 160?

In theory of course because of other factors but if everything being the same is that how that works?
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