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Originally Posted by Jason@SportsCar
Garm is an evil man... He captured a unicorn and sold it to us - he knew we could not resist. We now have a close-ratio gear set for the C50.  Who would have thought such a thing even existed.  |
Oh my, I think I'm nursing a semi...
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In the next week I will be taking our spare trans to be fitted with the new 3rd, 4th and 5th gears, and a fresh OS Giken Super Lock LSD, so we can do a complete swap into the car.
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Does that mean that your "spare" gearbox will not be available anymore? Or is this the swap you had alluded to before?
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Close-ratio (1st and 2nd go unchanged)
3rd** 1.474
4th** 1.208
5th** 0.961
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It's like mathematical pr0n!
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Our stock trans had a 2300rpm drop from 2nd to 3rd, and 1900rpm from 3rd to 4th. With the new setup we only drop 1500rpm from 2nd to 3rd (this will be huge), and 1300rpm from 3rd to 4th. This makes it much easier to stay on peak power.
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That's the biggest reason that I'm attempting my custom box: terrible acceleration from 15-20 mph because of the RPM drop from 1st to 2nd. I'm staying N/A for the time being, so I don't need these ratios, but it's great to know that there are now some real options other than buying whole used transmissions to scavenge parts. I'm assuming that the gears will come as a complete pair (roller bearings, synchros) sans hub?
12-06-2011, 08:25 PM
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