S2000 Under The Hood S2000 Technical and Mechanical discussions.

Diff gear material?

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Old 12-08-2002, 06:52 PM
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Default Diff gear material?

Ok, I am wondering if anyone knows what the gears in our diff are made of? Also what would be a good material to use if you want to make some new ones, but stronger. Thanks.



Kevin
Old 12-09-2002, 02:11 AM
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If you really want it to be bulletproof, a larger "pumpkin" would be needed. Which would require other custom stuff. Many other RWD cars have near zero rear end trouble. It can be done. To me it appears that the diff is fine when the car is driven like a sports car. But not when the S2K is driven like a drag car.

Stan
Old 12-09-2002, 03:45 AM
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[QUOTE]Originally posted by E30M3
[B]If you really want it to be bulletproof, a larger "pumpkin" would be needed.
Old 12-09-2002, 06:36 AM
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>>>Not entirely true. Wait till a lot more people start cracking 50-75K we are going to see a lot more diffs go.(By the enthusiasts not dragsters) Just hope Honda beefed it up without telling us. And those with the extenede warrantee use it before it runs out and don't need it right after. <<<

Better get an extended warranty I suppose...I understand that you can get them at pretty much any time, such as right before the warranty runs out. Could turn out to be a bargain, but I wonder if they'll hassle you if something like a diff goes.

FWIW small engined cars don't always need small capacity diffs. BMW used their "big" diff on the early 4 cylinder M3s instead of the small one that works fine with the regular 3 series cars. It adds about 20-25 pounds but is basically bulletproof. They *never* break, they just wear out after awhile. I used to think it might be a nice mod to uise the lighter BMW diff to cut mass, but maybe that wouldn't be very wise after all.

Stan
Old 12-10-2002, 06:28 PM
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Anyone out there want to send me a busted ring and pinion and I'll get a wet metallagraphy and Rockwell hardness done on it.

Utah
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