Getrag gearbox to inline engine
Which Getrag models fit behind an inline engine?
262/262cr/265/M50/M51 Getrag boxes fit behind an inline engine with loose couplings. BMW boxes are generally found in large-displacement cars (2.8 L and above) manufactured before 1983. 265: Loose coupling, 5 gears, fifth overdrive 262cr: Loose coupling, 5 gears, fifth direct (used in e.g. 635CSi) BMW four-speed: Quite common but five-speed boxes are rarer in Finland
What are the clutch shaft bore dimensions for BMW Getrag boxes?
BMW box clutch shaft bore sizes: 23×29-10N. Clutch plates are available in sizes 215, 228 and 240 mm. Pilot bearing inner diameter 12 mm.
What are the BMW driveshaft flange dimensions?
The driveshaft flange is designed for a ball joint. Spacing 96 mm × 3 holes of 12.2 mm (for M12 bolts). The box has a 14 mm tail sticking out beyond the flange — this can be used to center the driveshaft adapter.
How do Volvo's own Getrag boxes differ from BMW boxes?
Volvo's M51 (264, model year ~1975–76) is essentially the same box as BMW 262cr. In Volvo's Getrag, the clutch shaft bore sizes are 1 1/8"-10N (SAE standard). Volvo box gear ratios differ slightly from BMW boxes. These boxes are extremely difficult to find.
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