2.5 n/a to 200tdi-transmision? - Page 2 - Defender Source
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  #21  
Old May 23rd, 2014, 01:21 PM
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Robert Davis
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Quote:
Originally Posted by 1775NavyMike View Post
I am in a similar situation. I am an American living overseas who just bought a 1986 110. The truck currently has a 19J under the hood. I also have a 12J I will install before I ship the vehicle back home. I intend to buy at a minimum a new engine and perhaps a whole drive train before returning to the US. Three questions I guess: 1. What would you consider the best drive train to consider? Which is the best engine (300 tdi or 200)? and 3. Would it be better to stick with a low gear Xfer case mated to an overdrive unit (want it to be a driver and decent weekend warrior)?
Lets stay with direct answers regarding Rover engines and not open up to engine conversion which I have some experience with...

The 300TDI engine is better that the 200 for a number of reasons.
The bridge between the valves on the 200 is much smaller and prone to cracking.
For a coolant leak on the front cover:
The 300 uses the "P" gasket which is easily replaced.
The 200 requires a complete tear down removal of all the timing components and front cover.

The 200TDI heads are discontinued.
300 heads are available still even though they are no longer manufactured in South America. AMC in Spain had several production runs, before the 300TDI heads were produced in China (that may be the only current source).

Knowing this buy a 300TDI with long belhousing R380.
Buy a later timing kit with the crank gear belt guide if you don't have one.
Also obtain the radiator frame, new copper and brass radiator, and intercooler.
Start with a 1.4 T-case and skip under or overdrive for now.
Get the thing moving with the new power plant and transmission/T-case before you dick around with more variables.
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  #22  
Old May 23rd, 2014, 01:47 PM
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John B.
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You can get 200TDI heads... http://www.turnerengineering.co.uk/a.../info-917.html

You can also fit 300TDI heads to a 200TDI, if you want.

You are only listing some pros. 300TDIs have other problems...that make it a lot of a wash.

The BIG thing is a Defender 200TDI is a bolt in job, with zero modifications. Much less work to install while keeping everything 100% stock.
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  #23  
Old May 23rd, 2014, 02:07 PM
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Don Bunnell
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Someone was saying on Pirate that the 300tdi can be "bolted" into a 200tdi frame. After researching it I thought one side had interchangeable mounts while the other side had to have a custom mount made.
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  #24  
Old May 23rd, 2014, 02:10 PM
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John B.
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Quote:
Originally Posted by don View Post
Someone was saying on Pirate that the 300tdi can be "bolted" into a 200tdi frame. After researching it I thought one side had interchangeable mounts while the other side had to have a custom mount made.
Not without a whole raft of custom modifications. It makes more sense to install it in the correct factory location. This leaves the only custom item being the frame mounts. Everything else can be stock. When you put the engine in the wrong place, everything that attaches to it need to be custom.
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  #25  
Old May 23rd, 2014, 03:08 PM
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Michael Fluent
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Okay all thanks for the help. Rdavisinva, I have been reading about your OM617kit and am intrigued. Think I will head back with a plan for that swap or another non- Rover alternative. With that being the case what if any tranny and Xfer case should I look for here (where there are many Defenders) before heading home.
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