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Triumph GT6 Propshaft

Get the GT6 propshaft right, and it'll run quietly for years. Get it wrong; worn universal joints being the most common culprit, and you'll hear it every time you pick up or drop off the throttle. Rimmer Bros has supplied Triumph GT6 propshaft parts from Lincoln, UK, since 1982, covering universal joints, flanges and propshaft assemblies for all three marks.

One thing to watch: overdrive and non-overdrive GT6s use propshafts of different lengths. Overdrive-equipped cars run a shorter propshaft to suit the extended gearbox assembly, and the differential ratio differs too (3.27:1 with overdrive, 3.89:1 without). If you're fitting an overdrive to a standard car, a correct-length propshaft is essential. For the rest of the drivetrain, see GT6 Drive Shaft, GT6 Rear Axle & Differential and GT6 Overdrive.

Order the right propshaft parts for your GT6 spec; everything's listed here.

Triumph GT6 Propshaft

Triumph GT6 Propshaft - Overdrive and Non Overdrive

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Frequently Asked Questions

Are GT6 overdrive and non-overdrive propshafts the same length?

They are not. Overdrive GT6s require a shorter propshaft to account for the additional length of the D-type overdrive unit on the gearbox. Fitting an overdrive to a non-overdrive car means sourcing a correct shorter propshaft; the standard one won't do. Check GT6 Overdrive for the matching overdrive components.

Is a clonking noise when accelerating a propshaft problem?

It often is. A clonk felt as you accelerate or lift off the throttle is a classic sign of worn universal joints on the GT6 propshaft. UJs are a standard wear item and not costly to replace. Check the GT6 Drive Shaft, as worn Rotoflex couplings on Mk2 and Mk3 models produce similar symptoms.

Will a Spitfire propshaft fit the GT6?

No, the GT6 and Spitfire use different gearbox ratios, and the propshaft lengths are not directly interchangeable without checking the exact spec. The GT6 gearbox internals differ from the Spitfire, so always confirm overdrive fitment, flange pattern and overall length before sourcing a used unit.

Do Rimmer Bros stock GT6 propshaft universal joints?

Yes, universal joints for the GT6 propshaft are stocked by Rimmer Bros, the Triumph specialist based in Lincoln since 1982. UJs are consistent in size across GT6 marks. For related rear-end components, the GT6 Rear Axle & Differential and the GT6 Suspension are worth checking alongside.