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| * Toyota 1G, 3S (SXE/GXE10 Toyota Altezza & Lexus IS) | * Toyota 1G, 3S (SXE/GXE10 Toyota Altezza & Lexus IS) | ||
| + | A limited run was produced of custom front cases for Toyota 4AGE bellhousing, so with that a [[Dellow]] kit might work. | ||
| + | |||
| + | But other wise, use the Cut-n-Shut method. | ||
| S15 modified; A-series bell grafted on | S15 modified; A-series bell grafted on | ||
Revision as of 07:13, 2 January 2012
6-speed transmission gives you two (count 'em 2) overdrive gears. Or some have a close ratio direct-5th with overdrive, which is better for performance. 6-speeds can be modified to fit Datsun 1200. Just cut the bellhousing and weld on a fragment of A-series bell housing, then machine the input shaft smaller.
Contents |
S15 6-speed
The 1999-2002 Nissan Silvia S15 Strawberry with SR20DE/SR20DET had an optional close-ratio 5-speed + overdrive (6 forward speeds total). In AUS, the six-speed was in the Nissan 200SX Spec-R model.
This gearbox is made by Aisin. The basic Aisin AZ6 gearbox was made in three versions, with front cases for these engines:
- Nissan SR20DET (S15)
- Mazda Renesys (RX8 rotary)
- Mazda F & B (S2000 and 2001 MX-5)
- Toyota 1G, 3S (SXE/GXE10 Toyota Altezza & Lexus IS)
A limited run was produced of custom front cases for Toyota 4AGE bellhousing, so with that a Dellow kit might work.
But other wise, use the Cut-n-Shut method.
S15 modified; A-series bell grafted on
- FS6R92A
- only 16kg heavier than a standard 1200 4spd
- Close ratio 1-5, with overdrive 6th. It is perhaps the best ratios for an A-series engine
Gear Ratios
- 1st: 3.630
- 2nd: 2.200
- 3rd: 1.543
- 4th: 1.210
- 5th: 1.000
- 6th: 0.767
Pilot Bushing
S15 5-speed FS6R92A
- 32202-B9500 BUSHING-CRANKSHAFT
- used on L, Z, VG, VQ, SR, KA, and CD engines (same as 71C bushing)
- Pilot Bushing Inside Diameter: 0.626 to .6300" (Length: .689")
- Pilot Bushing Outside Diameter: .814 to .815"
Since this is much larger in diamter than the A-series, machining is needed.
A-series crankshaft bore is for a bushing with 0.671" O.D., length .723"
- The FS6R92A input shaft end can be turned down to ~.671 O.D.
- Could the A-series crank pilot hole be bored out to .814" so the 71-Series bush can be fitted?
Clutch Disc
FS6R92A clutch disc [all 240mm]
- 30100-85F00 9901-0011
- 30100-85F14 0011-
- Spline O.D.: 1"
- Spline: 24 teeth
There is an A-series clutch disc that is 1" x 24T: 30100-K0500.
Input Shaft Length
How far does the FS6R92A input shaft extend past the transmission face?
- 5-speed: about 17mm past the flange
- 6-speed: about 10mm inside the flange
Speedometer
S15 6-speed does not have a speedometer gear.
Clutch Release
How to connect up the clutch?