Omega Owners Forum
Omega Help Area => Omega General Help => Topic started by: blackviper90210 on 25 November 2009, 08:27:12
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Apologies for my ignorance,
but what is a slip diff and do I have one on my car?
2000 - 2.5 auto saloon
Only asking as I've seen a post reference changing the oil on high mileage models. Mine's done 161,000.
Cheers, Dave ::)
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unlikely, an expensive addition, often found on ex-police ones and not much else.
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very, very unlikely you have one, limited slip diff, think of it as traction control but for the differential, sending power to the side that needs it.
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Apologies for my ignorance,
but what is a slip diff and do I have one on my car?
2000 - 2.5 auto saloon
Only asking as I've seen a post reference changing the oil on high mileage models. Mine's done 161,000.
Cheers, Dave ::)
If you have a NON limited slip differential, and put one driven wheel on snow/ice/mud & attempt to drive off, you'll find that all the drive will go through the one spinning wheel & you'll stay where you are. A limited slip differential will 'lock up' and drive will go through both rear wheels.
Have you ever watched My Cousin Vinny? ;) ;)
Vinny Gambini: Ms. Vito, please answer the question: does the defense's case hold water?
Mona Lisa Vito: No! The defense is wrong!
Vinny Gambini: Are you sure?
Mona Lisa Vito: I'm positive.
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Vinny Gambini: How could you be so sure?
Mona Lisa Vito: Because there is no way that these tire marks were made by a '64 Buick Skylark convertible. These marks were made by a 1963 Pontiac Tempest.
D.A. Jim Trotter: Objection, Your Honor! Can we clarify to the court whether the witness is stating opinion or fact?
Judge Chamberlain Haller: This is your opinion?
Mona Lisa Vito: It's a fact!
Vinny Gambini: I find it hard to believe that this kind of information could be ascertained simply by looking at a picture!
Mona Lisa Vito: Would you like me to explain?
Vinny Gambini: I would love to hear this!
Judge Chamberlain Haller: So would I.
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Mona Lisa Vito: The car that made these two, equal-length tire marks had positraction. You can't make those marks without positraction, which was not available on the '64 Buick Skylark!
Vinny Gambini: And why not? What is positraction?
Mona Lisa Vito: It's a limited slip differential which distributes power equally to both the right and left tires. The '64 Skylark had a regular differential, which, anyone who's been stuck in the mud in Alabama knows, you step on the gas, one tire spins, the other tire does nothing.
[the jury members nod, with murmurs of "yes," "that's right," etc]
Vinny Gambini: Is that it?
Mona Lisa Vito: No, there's more! You see? When the left tire mark goes up on the curb and the right tire mark stays flat and even? Well, the '64 Skylark had a solid rear axle, so when the left tire would go up on the curb, the right tire would tilt out and ride along its edge. But that didn't happen here. The tire mark stayed flat and even. This car had an independent rear suspension. Now, in the '60's, there were only two other cars made in America that had positraction, and independent rear suspension, and enough power to make these marks. One was the Corvette, which could never be confused with the Buick Skylark. The other had the same body length, height, width, weight, wheel base, and wheel track as the '64 Skylark, and that was the 1963 Pontiac Tempest.
Vinny Gambini: And because both cars were made by GM, were both cars available in metallic mint green paint?
Mona Lisa Vito: They were!
Vinny Gambini: Thank you, Ms. Vito. No more questions. Thank you very, very much.
[kissing her hands]
Vinny Gambini: You've been a lovely, lovely witness
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One of my all time favourite films! :)
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One of my all time favourite films! :)
It's brilliant! I love the bit where he turns up to court looking like Billy Smart in the red suit! ;D ;D ;D ;D ;D