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Let's put a wee diesel in a ruby- now what rear end ratios?

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Let's put a wee diesel in a ruby- now what rear end ratios?
A Spooky Ghost Offline
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Joined: Mar 2024 Posts: 13 Threads: 3
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Location: USA
Car type: 1936 Austin 7 Ruby
#1
29-04-2024, 03:26 PM
I've had the thought for awhile now about using a mini Kubota diesel.  As fate would have it, I found a d950. Temporarily installed in a old big mower.

Has a claimed 21hp, at 40ftlb torque. Max 3000 rpm.

So it seems, with a rear end ratio of 5.12 my safe max speed could only be 40mph...

That's not enough!   So does anyone know of some custom rear ratios, that could fit the factory diff.

Or this a find another whole axle thing?


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Let's put a wee diesel in a ruby- now what rear end ratios? - by A Spooky Ghost - 29-04-2024, 03:26 PM

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