Author Topic: UN1 Gearbox Conversion  (Read 2214 times)

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Offline StrawberryCheesecake

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UN1 Gearbox Conversion
« on: Monday,July 04, 2016, 12:50:04 AM »
In the course of hunting for an NG3 gearbox, and I still think I've got one on the way, I bought a UN1-013 box because it was at a good price.

I think it's originally R21 Turbo

My bell housing doesn't fit this box, so I'm not sure whether to try and use it or not.

Has anyone used a UN1 on a Europa, or looked at it? I think I can easily get my money back if I don't use it.

Offline jbcollier

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Re: UN1 Gearbox Conversion
« Reply #1 on: Monday,July 04, 2016, 03:21:51 AM »
Used in Espirits, Deloreans, many GT40 replicas, etc.  Better ratios than the NG series (3.4 first gear).  Here are sites with some info:

http://www.gt40s.com/forum/gt40-tech-powertrain-transaxles/39425-renault-un1-transaxle-everything.html

http://www.rs200replica.co.uk/assets/applets/UN1.pdf

What engine are you wanting to bolt it up to?

Offline 4129R

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Re: UN1 Gearbox Conversion
« Reply #2 on: Monday,July 04, 2016, 05:41:55 AM »

Offline StrawberryCheesecake

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Re: UN1 Gearbox Conversion
« Reply #3 on: Monday,July 04, 2016, 05:53:06 AM »
It's going with a Zetec 2.0 if I can find the bits to fit it.
« Last Edit: Tuesday,July 05, 2016, 12:34:17 AM by StrawberryCheesecake »

Offline LotusJoe

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Re: UN1 Gearbox Conversion
« Reply #4 on: Tuesday,July 05, 2016, 12:39:01 PM »
I'm pretty sure that is the same gearbox in the Citroen SM.
Joe Irwin
3927R TC Special
(The Classic Barn Find)


Offline StrawberryCheesecake

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Re: UN1 Gearbox Conversion
« Reply #5 on: Tuesday,July 05, 2016, 10:49:08 PM »
I have a un1-013 in my banks62, it is a lot bigger than the ng3 (heavier too) overkill for the zetec,

It may get some extra horses in the future :-)

What bell housing, flywheel, clutch and starter are you using?

Offline StrawberryCheesecake

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Re: UN1 Gearbox Conversion
« Reply #6 on: Thursday,July 07, 2016, 01:41:12 AM »
Thanks for the info, but please can you clarify what ca18det is code for?

EDIT:
Cancel that, found it!

https://en.wikipedia.org/wiki/Nissan_CA_engine

Is that the engine you're running then?
« Last Edit: Thursday,July 07, 2016, 01:45:31 AM by StrawberryCheesecake »

Offline StrawberryCheesecake

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Re: UN1 Gearbox Conversion
« Reply #7 on: Tuesday,July 12, 2016, 08:22:22 AM »
Yep... paid less than that for it. I expect I've missed an opportunity to make more out of it, but I'm not really worried. I've covered my purchase cost and travel expenses.
« Last Edit: Wednesday,July 13, 2016, 02:50:20 AM by StrawberryCheesecake »