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There are 2 gearboxes commonly found in Astinas.
G25M-R
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Commonly found in DOHC BG Astina SP and 94/95 BA Astinas.
Used with
BP-ZE (MY92-94) & BP-DE (MY95)
Type
5MT, FWD
1st gear
3.307:1
2nd gear
1.833:1
3rd gear
1.310:1
4th gear
1.030:1
5th gear
0.795:1
Final drive
4.105:1
Reverse
3.166:1
Differential
open
Shift mechanism
remote, rod actuation
F25M-R
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Commonly found in 95+ BA Astinas (possibly other models)
Used with
B8-ME (MY92- 94) | Z5-DE | ZM-DE & ZL-DE | FP-DE & (MY96+) BP-DE | ZL-VE
Type
ALL 5MT, FWD
1st gear
3.416:1 | 3.416:1 | 3.416:1 | 3.416:1 | 3.416:1
2nd gear
1.842:1 | 1.842:1 | 1.842:1 | 1.842:1 | 1.842:1
3rd gear
1.290:1 | 1.290:1 | 1.290:1 | 1.290:1 | 1.290:1
4th gear
0.918:1 | 0.972:1 | 0.972:1 | 1.028:1 | 0.918:1
5th gear
0.731:1 | 0.775:1 | 0.775:1 | 0.775:1 | 0.731:1
Final drive
3.619:1 | 4.105:1 | 3.850:1 | 4.105:1 | 4.388:1
Reverse
3.214:1 | 3.214:1 | 3.214:1 | 3.214:1 | 3.214:1
Differential
All open
Differences
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- Larger Driveshafts in the G25M-R
- Larger Clutchplate in the G25M-R
- Smaller Casing on the F25M-R (less webbing so less strength)
Notes
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The GTX flywheel will fit in a G25M-R box but not a F25M-R box.
If anyone wants additions to this : please PM me.
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