1984 110 CSW Engine replacement advice please! - Defender Source
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Old December 8th, 2014, 09:08 PM
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Matt Dunn
1984/ 110 County
Join Date: Dec 2014
Location: Sullivans Island, SC
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1984 110 CSW Engine replacement advice please!

I'm a relatively new 110 owner and as luck would have it, my engine is in need of a rebuild. Since I have the 2.5L diesel (non-turbo), I would like to take advantage of the opportunity to upgrade to a TDI engine. I'm considering the 200 and 300 TDI. My LT77 trani etc are in good working order, ~80K miles. I don't really have the funds to go buying a new trani, transfer case, etc. Aside from the exhaust work, can I replace only the engine with the 300TDI? From reading other posts, looks like the mounts need to be adjusted, but will it work with the LT77? I've seen it done before, but doesn't sound like it's recommended. From other sources, it sounds like the 200TDI is a fairly straightforward bolt on and pairs better with the LT77. I'm confused and can't figure out what to do. Any recommendations are gladly welcome. Thanks
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Old December 9th, 2014, 01:48 PM
1of40's Avatar
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NAS 97SW & 83 One Ten Tdi
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Location: Potomac Falls & Wintergreen, Virginia
Posts: 6,085
I too have the dreaded 2.5 normal. But I don't know which is worse, throwing x,000's at a 32 year old truck to get marginal increases in performance or living with a NA diesel? It's a tough call. On the other hand, diving in head first with a tdi conversion could be like adding a bathroom to a house you're getting ready to sell. It basically pays for itself where as another NA is a sunk cost unless you plan to get your money's worth from using it.

While I can still chug along at 60-65mph on the flats I'm content but always thinking What if?

To your original question I don't think a 300 with a LT77 is a long term solution. Probably better to come to grips with the sticker shock and do it right the first time.


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Old December 9th, 2014, 01:54 PM
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Robert Davis
Join Date: Oct 2004
Location: USA
Posts: 6,806
The 200 TDI will bolt up and drop in if you have RHD... LHD is not too difficult, but requires more parts/work depending on the route you take.
The 300 TDI will require welding on new mounts.
The best option for both is an electric fan for cooling activated by a thermo-switch.
Both produce more power over the 2.5 N/A, so you'll need to be careful with an early suffix LT77.
Your choice.

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