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Old 13-10-2016, 10:34 AM   #1
Stevendrinkwater
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Default Getrag Gearbox

Don't know if this question has been asked but I'm fitting a 1.8T out of a Rover 75 with the Getrag 283 gearbox and was wondering if anyone else has fitted the 1.8T engine with the Getrag gearbox and if you had any pictures of how you mounted it.

thanks in advance.
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Old 13-10-2016, 11:41 AM   #2
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Don't bother it's made of chocolate fit a pg1 c6 box cheap as chips and not as bulky as the getrag
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Old 13-10-2016, 03:40 PM   #3
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Does fitting the PG1 require a different flywheel and clutch mechanism?
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Old 13-10-2016, 04:55 PM   #4
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Quote:
Originally Posted by Stevendrinkwater View Post
Does fitting the PG1 require a different flywheel and clutch mechanism?
Yes it does.

The BIG issue with the Getrag is the clutch slave is inside the bellhousing. This means when it goes wrong, it's a gearbox off job. I have seen mint cars for sale with only this problem go for under 200.
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Old 13-10-2016, 07:47 PM   #5
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I don't have a problem with the concentric slave cylinder and in all honesty think its a better idea for a compact build, I have a vast knowledge of Rover 75's and MG ZT's so know these engines and gearboxes inside out.
I will almost certainly be sticking with the Getrag box but only wanted to see if it had been done before and if anyone had any info on mounting it.

cheers,
Steven
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Old 14-10-2016, 05:03 PM   #6
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i'll be interested to see this box being used, what are the ratios like for mini wheels and are there alternatives available?
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Old 14-10-2016, 06:59 PM   #7
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when i calculated it 6000 in 5th would be about 130mph which i think is respectable in a mini so acceleration should be good, im on 13" wheels and im not sure what ratios are available, all i know is that the diesel was slightly higher ratio i think
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Old 22-10-2016, 11:12 PM   #8
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I don't think these gearboxes are chocolate, the slave cylinders may be, but the box is fine. It uses a dual mass flywheel, which is going to be heavy, and I haven't seen a solid kit.
There are a range of ratios, diesel, petrol 1.8, 2 litre, 2.5 litre, i'm actually thinking of fitting one in am mgzr rally car, but there isnt an lsd readily available.
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Old 15-09-2018, 11:10 PM   #9
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Does anyone know if the Getrag box requires special drive shafts or are they the same as PG1? I've just bought a 1.8 engine from a ZR and it has a Getrag Ford box but no drive shafts.

Last edited by Coaster; 15-09-2018 at 11:12 PM.
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Old 16-09-2018, 08:12 AM   #10
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Quote:
Originally Posted by Coaster View Post
Does anyone know if the Getrag box requires special drive shafts or are they the same as PG1? I've just bought a 1.8 engine from a ZR and it has a Getrag Ford box but no drive shafts.
You are thinking of the IB5 gearbox fitted to the 1.4 or 1.6 models. The Getrag box talked about here is only fitted to the Rover 75 or MG ZT.

I have not heard of anyone using the IB5 gearbox but it's not a bad chice to be honest if sticking to the lower powered engines. Ratios are quite good for a Mini conversion. It's just nowhere near as strong as the PG1. Also it would mean adapting a frame or making your own. You would also need your own driveshafts making.

Personally I recommend fitting a PG1. It's a proven method that's reliable and cheap.
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Old 16-09-2018, 11:45 AM   #11
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Quote:
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....I have not heard of anyone using the IB5 gearbox but it's not a bad chice to be honest if sticking to the lower powered engines. Ratios are quite good for a Mini conversion. It's just nowhere near as strong as the PG1. Also it would mean adapting a frame or making your own. You would also need your own driveshafts making.

Personally I recommend fitting a PG1. It's a proven method that's reliable and cheap.
I bought an 1.8 120 engine on ebay which was advertised with gearbox. I has arrived and I now find the gearbox to be an IB5 Getrag Ford. These were fitted to later production MGZR's apparently up to 1.6 but I'm sure I read that some 1.8's had them too. Either way, the drive shafts must be available but Rimmers don't seem to mention them separately. I might ditch it in favour of a PG1 anyway but they do get good reports for the quality of action and gear ratio choice.

I've tried posting on the MG site but still waiting to be allowed to post
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Old 18-09-2018, 01:39 AM   #12
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Just look for ib5 (late) mgzr shafts at a breaker. Maybe, ford escort mk3 on will fit?
Pg1 wont, nor will mgzt/75.
Probably a wide range of ratios available too, if your willing to look.
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Old 18-09-2018, 04:58 AM   #13
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I would message someone breaking a 1.4 ZR. I have seen whole cars sell for peanuts money recently.

Regarding the ratios, I had an MG ZS 1.6 for over 10 years with the IB5 box. I always thought it was a bit tall gearing with 17" wheels. With the smaller wheels, I think it will be perfect so in that respect a good choice and very easy to come by without modification.
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Old 18-09-2018, 12:21 PM   #14
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Thanks for the replies, I have been doing a bit more research and I don't think that there is a factory fitted LSD option for the IB5 and most ebay sellers don't bother stating which gearbox the drive shafts were from and if you ask, say they don't know. I think on balance, I'll move the IB5 on and pick up a PG1.
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Old 18-09-2018, 12:40 PM   #15
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Quote:
Originally Posted by Coaster View Post
Thanks for the replies, I have been doing a bit more research and I don't think that there is a factory fitted LSD option for the IB5 and most ebay sellers don't bother stating which gearbox the drive shafts were from and if you ask, say they don't know. I think on balance, I'll move the IB5 on and pick up a PG1.
I've got one sat doing nothing.

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