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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.


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Old 11-14-2012, 10:31 AM   #1
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Exclamation Mfactory Final Drive Ring and Pinion

Final drives available for improved acceleration.
Now available! For purchase and pricing see our thread in the marketplace.
http://www.ft86club.com/forums/showthread.php?t=29547



Estimated top speeds calculated on stock size tires.
Stock 4.1 - 6th gear 174 MPH @ 7500 rpm
4.44 - 6th gear 161 mph @ 7500 rpm
4.67 - 6th gear 153 mph @ 7500 rpm

MPH per gear @ 7500 rpm for stock wheel and tire size

4.44 final drive
1st - 34
2nd - 56
3rd - 80
4th -101
5th -123
6th -161

4.67 final drive
1st - 32
2nd - 53
3rd - 76
4th - 96
5th - 117
6th - 153

If you want to calculate the top speed for each gear if you have different tire and wheel sizes
1st - 3.626
2nd - 2.188
3rd - 1.541
4th - 1.213
5th - 1.000
6th - .767

Last edited by Crossover Auto; 08-08-2013 at 08:29 PM.
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Old 11-14-2012, 10:35 AM   #2
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I wonder how much of a hit you'll take to MPG.
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Old 11-14-2012, 10:38 AM   #3
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.Nevermind. Stock photo fixed

Last edited by celica73; 11-14-2012 at 11:54 AM.
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Old 11-14-2012, 11:03 AM   #4
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1.34 1.32
2.56 2.53
3.79 3.76
4.101 4.96
5.122 5.117
6.159 6.152
final-4.500 final-4.700
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Old 11-14-2012, 11:24 AM   #5
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Quote:
Originally Posted by celica73 View Post
I get the idea behind a stock photo, but how about a stock photo that shows the ring and pinion gear for a RWD car?
Becuase they are mostly Honda people...
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Old 11-14-2012, 11:36 AM   #6
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Are they planning to go the other way, like 3.5-3.7 area, for those that may be going the FI route. Taller gears will work out good in those applications for TQ/wheelspin management. Thx
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Old 11-14-2012, 11:38 AM   #7
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Are they planning to go the other way, like 3.5-3.7 area, for those that may be going the FI route. Taller gears will work out good in those applications for TQ/wheelspin management. Thx
They probably will if it's requested. You can do that with OEM toyota gears already.
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Old 11-14-2012, 01:00 PM   #8
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Or just launch in second.
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Old 11-14-2012, 04:46 PM   #9
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They probably will if it's requested. You can do that with OEM toyota gears already.
Great to know, thx. Which Toyota vehicle do they interchange with?
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Old 11-14-2012, 04:50 PM   #10
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what's a reasonable price to expect to pay for installation?
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Old 11-14-2012, 05:28 PM   #11
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Great to know, thx. Which Toyota vehicle do they interchange with?
IS I think. There's a thread on here from one of the Toyota employees I'll have to look for.
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Old 11-14-2012, 05:40 PM   #12
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Here's Toyota part numbers for a few FDs that would work:
41201-80050 - Ring & Pinion Gear Set, 3.727:1
41201-80052 - Ring & Pinion Gear Set, 3.909:1
41201-19605 - Ring & Pinion Gear Set, 4.100:1
41201-29606 - Ring & Pinion Gear Set, 4.300:1
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Old 11-14-2012, 05:56 PM   #13
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tester/early adopter pricing available?
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Old 11-14-2012, 06:00 PM   #14
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Price and availability?

Any chance a 5.11 will be available?
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