Question
I bought a 7.5 posi and 4.10 gears from an ebay seller! Guy has really good ratings and sells this stuff all the time...my only question is, did i buy the limited slip differential posi? or did i just buy what i already have on my car with 4.10 gears?
all is says is "ford 7.5 posi and 4.10 gears |
Assuming you have a 7.5 rear end, you need the posi. If you have the 8.8 rear end, you already have the posi.
And yes, posi, limited slip, tlok; they are the same thing. Also, link the sale page. It will help us figure out what you bought |
Okay thanks for the info and help!!! You were right about the posi!!! Thanks
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Has anyone had problems with a posi and 4.10s on their 7.5 rear end? I have heard of the rear end getting destroyed because it is not made as sturdy as the 8.8 but since I have a six would it ever be a problem?
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Only if you are putting a decent amount of power down with drag tires, if they are street tires they will just spin.
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Its not the gears and posi that will break the 7.5" its when you make some power that rear end just isn't made to hold alot of power.
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Yup. If you are making a lot of power on a 7.5, do not buy sticky tires. The second those tires stick you're going to destroy that rear end
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Its not that fragile, but they just can't handle that kind of power. Teal Beasts Twin Turbo v6 was making almost 400rwhp on 16psi and it raced on a 7.5" with Nitto Drags for awhile before it finally exploded on the track.
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