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RockLobster Build - Part 1 - Dis-assembly

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I have embarked on building my own low ratio transfer box. I have previously built two boxes, one for my SJ and one for my Jimny but both of these were 4:1 boxes built using the "Difflock" cut & shut gears. This is a frequently maligned process but the current Jimny one has served nearly 10 years so far so they cannot be too bad, however with 32" tyres it is time for something more low range.

Since I did the cut & shut one, a variety of aftermarket gearsets have appeared that provide a "drop in" solution with pre-cut gears. There are a variety available from cheap Chinese versions through to Japanese manufactured ones made in the original factory.

I went for the Trail-Gear 6.5:1 set as it represents a mid priced solution that has been on sale in the USA for a number of years. This should bring back the gearing quite nicely on the road whilst providing a very low gearing off-road.

Also needed is a Suzuki SJ transfer box, either a 410 or 413 will do (except for the very early 410 versions which are useless). See the section in the Wiki - HERE - which tells how to identify the correct box. Late 413 boxes are particularly good as they have the same larger flanges that the Jimny has, however it is straight forward to drill the old ones if necessary.

If you are doing this from scratch you will also need mounting arms, propshafts and a speedo adaptor to fit it to a Suzuki Jimny. Of course, I already have those parts on my as it has a 4.1:1 Transfer box already fitted.

So the build begins......BigJimny's Transfer box.

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Differential Failure

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​Very shortly after we drove away from the 2019 BigJimny meet, I heard a very loud bang from somewhere underneath BigJimny. I pulled over and could not see anything, the Jimny still had drive but was giving out a knocking noise.

I suspected the CV joints as they have been clicking for a long time, however I found that the noise was coming from the rear diff (see video below, you can hear the knocking noise if you ignore the disc scraping noise)

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From Jimny to Willys Jeep - Part 6

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George has completed his Willys jeep build based on a Jimny and sent in these pictures as a conclusion. If you remember, this is the project built using a "new old" Jeep tub i.e. a brand new tub built to the original spec in one of the original Jeep factories. I think it looks really good.  The picture below shows where this all started.

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LittleJimny - Adding LED DRLs

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​The UK SZ5 specification Jimny has DRL (Daylight Running Lights) fitted. Whilst the main headlights on the SZ5 are LED, the DRLs are plain old Tungsten. Therefore they look yellow when on and are generally mis-matched to the overall look of the car. Therefore I have upgraded the lights to LED. It is a simple task of replacing the bulbs howeve...

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BigJimnyMeet 2019 - 20th October

After much planning the day of the event finally arrived. The last event was held a few years ago so it was definitely time to try again, so it was off to 4x4withoutaclub at Aldermaston.  

​Sixty three Jimnys  were booked in making it possibly the largest Jimny gathering in Europe and even challenging the rest of the world. They came from all over the country with many staying ovenight at local hotels. Even the hotel car-park became its own mini-meet.

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