Hold 3rd gear with overdrive engaged, wait for the gap, flick out of OD, with a far faster change than any manual operation, accelerate past and your gone! Then when cruising, drop into OD 4th and benefit from the 22% raising of the gearing to reduce noise, wear and fuel consumption.

1974-½ to 1980 MGB with a dipstick gearbox The speedometer is calibrated for 1000 TPM and the gearbox has an output of 1280 TPM. The speedometer will read 28% fast. Get a "converter" box from a speedometer shop; Send your speedometer out for recalibration

Our comprehensive catalogue features a wide range of gearbox and overdrive parts for MGB models, including the MGB GT, MGB Roadster, and MGB V8. From synchromesh gears, bearings, and gaskets to overdrive units, solenoids, and switches, we have it all.

Jun 2, 2023 · The '68 to '80 OD transmissions in the MGB are fairly tough units and can usually be repaired at little cost if you know what to look for. The problem most likely can be found at the wires leading to the OD solenoid from the shift lever knob switch. They're tiny and are prone to …

From the outset, the MGB was designed to accommodate a 4-speed gearbox with an optional overdrive (this option was not introduced in Australia until 1967). The electric overdrive (on third and fourth gear) allowed for an 8% reduction in engine …

Our MGA and MGB geaboxes are designed, tested and built in-house at Vitesse Global, this is the surest way to upgrade your MGA or MGB gearbox. Read our gearbox reviews and order online or book your MG in for a gearbox upgrade at our …

Kit converts the 1968-1980 MGB to a quiet, durable, all synchronized, overdrive 5 speed transmission. The transmission used in this conversion is from a Datsun 280Z. This gearbox was used behind a powerful, fuel injected 2.8 litre engine …

Aug 30, 2010 · Is there a bolt on Auto transmission that will mate up with an MGB engine? I've been asked to do a conversion for an older woman that can no longer shift the manual and wants to convert her car to automatic.

Many of the internal parts of the early MGB gearbox are the same as the MGA parts, everything between front and center main bearings and the laygear (and the MGB gearbox may be easier to find if you need some good used replacement parts for the MGA).

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