Recommendation for Land Rover Discovery Swap - Diesel Bombers



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Old 02-24-2012, 02:25 PM
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Default Recommendation for Land Rover Discovery Swap

I just picked up a 2004 Land Rover Discovery 2. It is in great condition but, these were never known for their gas mileage. It will be pretty much used as a soccer mom special picking up kids and groceries with the occasional road trip and the extremely rare off road experience.

It runs just fine now but, I'm putting together my game plan on the eventual swap to diesel. I originally was thinking the Cummins 6BT but, now am wondering if the 4BT or one of the Merecedes powerplants might be easier and still get me into the 20+MPG range.

I did not see any threads on Disco conversions. At 3900 lb gross weight, I would guess that something that could push a Wrangler or Cherokee would be comparable.

Knowing that there are a lot of thoughts on this with much greater expertise than me, I would like to see what any of you are thinking.

Recommendation for Land Rover Discovery Swap-img_1235.jpg
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Old 02-24-2012, 03:29 PM
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I had a buddy back home in GA who put a 4bt cummins in his Grand Cherokee and it worked out great, the merc. motors are a little under powered and require more gearing from what I've heard , a 6bt may be a little tight fit to get in there a 4bt would probally be sufficient
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Old 02-24-2012, 06:55 PM
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I'd say 4bt no need for a 6bt in that and it would kill the suspension
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Old 02-26-2012, 04:18 PM
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i put a 200 tdi from a defender in mine-bolted right up to the LT77 -just had to change some pipe work and remount the power steering res.
tdi 300 is the same mounting .
6bta waay too heavy.and too long for easy fit.
4bta or a detroit.imo
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Old 02-27-2012, 12:45 AM
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A 6BT properly setup would put roughly another 1000lbs on top of what you currently have on your front suspension. Your Rover axles cannot take that now would it get you where you want to be. I would go 4BT all the way coupled to a 5/6 speed allison.
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Old 02-27-2012, 01:37 PM
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200 or 300Tdi would be the easiest. Most parts for the conversion would be out of the Landrover parts bin and most of the hard work on the conversion is sorted out already. The new landrover TD5 would also be a nice conversion. 4BT Cummins is a fun motor. I've got one in my '63 109 but that would be a lot more work than using the 200/300Tdi.
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Old 02-28-2012, 01:14 PM
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Default 4bt

the 4bt is a good engine to put in a truck. But I would not put it in a land rover it weighs 750 lbs and to tall. Use the engine that was made for that model.

Td5 (Engine Codes 15P and 16P) its a five cylinder made by land rover and would most likely fit easily. And as far as I know in most states you cant put and older engine in a newer car. As I have seen plenty of OM616 Mercedes conversion companies online for older discoveries.

Another good option would be to use a OM612 which comes out of those sprinter vans, the problem with your car is the same with my problem I want a 2002 through 2006 G wagon G270. but have looked into swapping the om 612 into a G500. its the same engine and tranny but all the expert conversion folks tell me that its to hard and expensive because of all the electronics.

I have seen plenty series II disco's on eBay with diesels. just watch eBay and buy one already made, and sell yours.

Another option is this engine which was in the series 3 which came out the llater part of 2004. its made by ford in europe. Ford AJD-V6/PSA DT17 - Wikipedia, the free encyclopedia
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