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Defendermatt



Member Since: 15 Sep 2016
Location: Derbyshire
Posts: 311

United Kingdom 1989 Defender 90 Other SW Bonatti Grey
LT77 tunnel clearance with R380
Can anyone help confirm if the tunnel from a 200tdi will fit over a 300tdi R380?

I plan to mount the R380 on the LT77 mounts so I can keep the original seatbox, but will the bulkhead tunnel clear the 300tdi bell housing??
Post #754446 28th Jan 2019 10:28am
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ibexman



Member Since: 13 Dec 2008
Location: kent
Posts: 2872

United Kingdom 
You may have to use a bulkhead diaphragm
Post #754455 28th Jan 2019 11:16am
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oneten110



Member Since: 02 Jul 2011
Location: Wish I was still in France
Posts: 741

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Given that the LT77 and R380 are basically the same gearbox there shouldn't be any problems It is not a Defender, it is a One_Ten
Post #754541 28th Jan 2019 6:55pm
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Defendermatt



Member Since: 15 Sep 2016
Location: Derbyshire
Posts: 311

United Kingdom 1989 Defender 90 Other SW Bonatti Grey
The bell housing of the 300 tdi r380 is considerably larger than that of the lt77. Is this why the tunnel size was increased?
Post #754683 29th Jan 2019 2:27am
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oneten110



Member Since: 02 Jul 2011
Location: Wish I was still in France
Posts: 741

United Kingdom 
Whilst the gearbox remained in the same location, when the 300 was introduced the engine was moved forward 8 inches, hence the longer bell housing. Plus the R380 has a longer input shaft.
There is a short bell housing available for the R380 to enable its fitment with alternative diesel engines, presumably with a shorter input shaft It is not a Defender, it is a One_Ten
Post #754711 29th Jan 2019 9:50am
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