How to Assemble the Mini Spares Evo Molybdenum Cross-Pin Differential for the Mini A-Series Gearbox

  Рет қаралды 182

Doug's Shed

Doug's Shed

3 ай бұрын

1970 GTM Coupe Rebuild - Last used 17 years ago.
The Mini engined GTM Coupe is getting a modified gearbox fitted which will have a front entry gear shift to suit the engine location in the rear of the car.
This video shows how to assemble a Mini Spares Evolution Molybdenum cross-pin differential. The differential is using an existing 3.647:1 (17/62) ratio crown-wheel and pinion.

Пікірлер: 9
@RustyGlovebox
@RustyGlovebox 3 ай бұрын
Nice work Doug, that diff assemble will do a great job for you my friend
@DougsShed
@DougsShed 3 ай бұрын
Hi Lloyd, it had only taken me 17 years to get around to fixing the GTM! The (3.647:1) diff ratio will better suit the car for speed events compared to the original (3.210:1) ratio. Also reducing the tyre profile from 70 to 50 which will help the overall gearing.
@niallsommerville9813
@niallsommerville9813 3 ай бұрын
Nicely made bit of kit. Looking forward to seeing the GTM back on the road and all the mods you've done. Did you record the fwd facing gear selector mod? Well done.
@DougsShed
@DougsShed 3 ай бұрын
Hi Niall, yes I have recorded the gearbox mods and this should be in my next video on assembling the gearbox.
@niallsommerville9813
@niallsommerville9813 3 ай бұрын
@@DougsShed Thanks Doug, looking forward to that.
@markcook5773
@markcook5773 3 ай бұрын
would this diff be suitable for a chain drive conversion what type of bhp will they take.
@DougsShed
@DougsShed 3 ай бұрын
Yes, I have used these differentials in chain drive applications. However you need to machine a special sprocket mounting plate with the bearing spigot as you will not be using the crown wheel.
@hhgttg69
@hhgttg69 3 ай бұрын
GTM coupe going back on the road or hill climb/track only?
@DougsShed
@DougsShed 3 ай бұрын
Road & hillclimb!
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