MGB V8 Adaptor plate

[carboy0]

Hi

I am looking for an adaptor plate to mate a Rover V8 to an MGB overdrive gearbox. Can anyone help or advise where I can get one?

Thanks,

Chris

[alfa pint]

You should be able to get that through the MG Owners Club spares department at Swavesey.

Quick question for you though - is it the detuned Rover V8 as per the original MGBGTV8? The standard B gearbox with overdrive couldn't cope with the greater torque from the V8 engine, so they only had overdrive on 4th in those models.

Anything that puts out more torque than the standard range rover v8 is right at the limits of what the overdrive unit and propshaft can handle, which is most of the V8 conversions have an alternative gearbox.

[carboy0]

Thanks alfa pint,

I'll give them a call.

It's a standard V8 with a 350cfm Holley. I shan't be racing - more show than go.

Chris

[stevensm111]

Hi,

Did you get anywhere with this ? Im looking for an adaptor plate or the drawings to machine one.

Cheers

[carboy0]

No sorry - it was an unfinished project and I sold all the bits in 2015. I found the adaptor plate in the end at the MG & Triumph Spares Day at Stoneleigh. I have since seen them on eBay.

[Olas]

use the gearbox and the engine that you already have as templates. use them to mark spots on a bit of steel, drill/countersink the holes.

assuming the drivetrain is out of the car its 2 hours, maybe 3 tops if you go slowly.


If you dont want to make one, take the engine and gearbox to your local engineering/metalwork place, tell them what you want and collect it the next day.