300 TDI vs. TD5 - Defender Source
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  #1  
Old December 11th, 2015, 07:18 PM
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300 TDI vs. TD5

In considering a couple options for an engine swap and having not driven either a 300TDI nor a TD5 before, I was looking for some insight on the differences both positive and negative on each. In this thread I am only looking for insight on the topic mentioned between the two engines. Thanks in advance for your thoughts and experiences with both.
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  #2  
Old December 11th, 2015, 07:28 PM
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Swaps can be vehicle dependent or vehicle inflewenced.
What ride are you considering?
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  #3  
Old December 11th, 2015, 08:25 PM
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  #4  
Old December 11th, 2015, 08:27 PM
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I'm guessing Robert was meaning more what engine and gearbox are in it now. Both engines stock power are similar. The TD5 can be safely modified for more power than the 300tdi. The tdi is simpler with no electronics
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  #5  
Old December 11th, 2015, 08:36 PM
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https://www.landyzone.co.uk/land-rov...-vs-td5.36905/
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  #6  
Old December 11th, 2015, 09:37 PM
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Thanks for the link. I'll give it a read through.

------ Follow up post added December 11th, 2015 09:37 PM ------

Quote:
Originally Posted by Red90 View Post
I'm guessing Robert was meaning more what engine and gearbox are in it now. Both engines stock power are similar. The TD5 can be safely modified for more power than the 300tdi. The tdi is simpler with no electronics
Likely doing a auto conversion as well.
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  #7  
Old December 11th, 2015, 09:46 PM
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Quote:
Originally Posted by WBSurfer View Post
Likely doing a auto conversion as well.
Then you will almost definitely want to go Td5.

My opinion for what its worth (I've driven several of both engines, of various ages/mileage, in various trucks (90, 110, and 130's) own a couple 300tdi powered vehicles, etc...)

The 300 is far and away my favorite motor in the Defender as a "forever" truck - IE a vehicle you plan to keep around and use for as long as possible.

The Td5 is more forgiving and easier to drive. Where the 300 has you wishing for a tiny bit more power, the TD5 has a tiny bit more power. Where the 300 has you downshifting just before you crest a hill, the TD5 can carry you through. Freeway entrances are less dramatic with the TD5, and overall it behaves more like a "car" where the 300 engine has a very "truck" feel to it.

If I were building a 110 for other drivers to use (spouse, family, etc..) I would go TD5. When I built trucks for myself, I like the rustic rough and tumble feel of the 300.

And if you can find a way to manage, don't put an automatic transmission into a Defender. The losses outweigh the small benefit.
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  #8  
Old December 11th, 2015, 10:40 PM
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Quote:
Originally Posted by Mybluett View Post
Then you will almost definitely want to go Td5.

My opinion for what its worth (I've driven several of both engines, of various ages/mileage, in various trucks (90, 110, and 130's) own a couple 300tdi powered vehicles, etc...)

The 300 is far and away my favorite motor in the Defender as a "forever" truck - IE a vehicle you plan to keep around and use for as long as possible.

The Td5 is more forgiving and easier to drive. Where the 300 has you wishing for a tiny bit more power, the TD5 has a tiny bit more power. Where the 300 has you downshifting just before you crest a hill, the TD5 can carry you through. Freeway entrances are less dramatic with the TD5, and overall it behaves more like a "car" where the 300 engine has a very "truck" feel to it.

If I were building a 110 for other drivers to use (spouse, family, etc..) I would go TD5. When I built trucks for myself, I like the rustic rough and tumble feel of the 300.

And if you can find a way to manage, don't put an automatic transmission into a Defender. The losses outweigh the small benefit.

Precisely the type of response I was hoping to hear! Very helpful and sound advice.
Thanks for sharing that. Pretty much exactly what I needed to hear wrapped up in a brief
Description.

Thanks again!!
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  #9  
Old December 12th, 2015, 12:59 AM
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Or a 200 tdi if you prefer belt driven accessories over serpentine.
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  #10  
Old December 12th, 2015, 04:22 AM
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Any thoughts on where the 2.8 fits in to this? I am pleasantly surprised and happy with my 2.8 in my 110.
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  #11  
Old December 12th, 2015, 09:02 AM
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If it's gonna be with an automatic, why not V8? This way you actually have power to make up for the loss of the automatic.
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Old December 12th, 2015, 10:05 AM
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I have gone 100mph in a td5 110. Never gone 100 in a tdi 110.

I have fully submerged a tdi 110/130 to where
the bonnet was under water and the inside of the truck had 50 gallons inside.
Would I do that with a td5 ? Never.
If your uses are 95% highway then the late td5 is an awesome platform and with lots of modifications available.
If you are a hardcore wheeler and there is any chance you might submerge the engine/seatbox- go tdi.
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  #13  
Old December 12th, 2015, 10:47 AM
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Quote:
Originally Posted by Uncle Douglas View Post
I have gone 100mph in a td5 110. Never gone 100 in a tdi 110.

I have fully submerged a tdi 110/130 to where
the bonnet was under water and the inside of the truck had 50 gallons inside.
Would I do that with a td5 ? Never.
If your uses are 95% highway then the late td5 is an awesome platform and with lots of modifications available.
If you are a hardcore wheeler and there is any chance you might submerge the engine/seatbox- go tdi.
That's exactly the kind of insight I was looking for. Thanks.

If I went with the late TD5, what should I expect to pay? (not including install; just motor/parts)
Also, if I went that route, what would be best options for transmission? (recommendations for auto and for manual)

I've got a TD5 complete dash and bulkhead that I'll be using in this build as well.
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  #14  
Old December 12th, 2015, 11:06 AM
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Quote:
Originally Posted by WBSurfer View Post
That's exactly the kind of insight I was looking for. Thanks.

If I went with the late TD5, what should I expect to pay? (not including install; just motor/parts)
Also, if I went that route, what would be best options for transmission? (recommendations for auto and for manual)

I've got a TD5 complete dash and bulkhead that I'll be using in this build as well.
Dunno- they aren't 21 yet
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  #15  
Old December 12th, 2015, 11:13 AM
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They make a relocation harness for the ECU to get it out of the seat box up higher..if you were going to get junto deep water..
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  #16  
Old December 17th, 2015, 02:08 PM
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Hi WBSurfer …
Wow I am in almost the exact same boat as you. I am looking to replace my J19 in an 1989 90. I have been searching and poking around and I think I have narrowed it down to the 300 or the TD5. Seems like the 300 is a much easier swap work wise and cheaper. However I’m thinking is that in a few years the 300 will end up like the 200 is today for parts avaialbilty. What do you guys think about that?

As for prices I am just starting to get stuff together but I have seen that a rebuilt 300 would be around 4000 and the TD5 kit around 6500. Do those prices line up with what you are seeing?

PS awesome set in your avatar where is that? I’ve surfed some in NC.
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  #17  
Old December 17th, 2015, 02:18 PM
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Quote:
Originally Posted by rjeeves View Post
However Iím thinking is that in a few years the 300 will end up like the 200 is today for parts avaialbilty. What do you guys think about that?
IMO that shouldn't be an issue. 200 tdis were around from around 1990 to 1994. 300s were used from 1994ish to 2007ish
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  #18  
Old December 17th, 2015, 05:03 PM
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Originally Posted by Z.G View Post
IMO that shouldn't be an issue. 200 tdis were around from around 1990 to 1994. 300s were used from 1994ish to 2007ish
Agreed, just like 2.25 petrol stuff is still fairly easy to get. Also the massive military use of the 300tdi helps.
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Old December 17th, 2015, 05:20 PM
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