tdi in a Petrol or V8? - Defender Source
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  #1  
Old April 5th, 2016, 11:36 AM
bnoonan
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tdi in a Petrol or V8?

I understand the conversion to a 200-300tdi from previous diesel engines (e.g. 19J) is quite straightforward.
But what about the conversion of a vehicle that came with a petrol engine or V8 engine. Are these any more difficult? I know the mounts likely need to change for a 300, but is there anything more that would be required of these?
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Brice
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  #2  
Old April 5th, 2016, 11:41 AM
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2.5 petrol to 200 tdi is just as simple as a 2.5 diesel to 200 tdi. V8 fame mounts and floors will have to be changed.
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  #3  
Old April 5th, 2016, 11:51 AM
bnoonan
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Thanks Doug! Much appreciated.
I'm still searching.
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  #4  
Old April 5th, 2016, 11:54 AM
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And keep in mind a 300 requires new frame mounts as well. There are different ways to do all conversions and it is a more complex discussion that would need to look at which option to take.

The ONLY conversion that requires no custom mods is the Defender version of the 200TDI, when changing from a 2.5P, 2.5D or 2.5TD. Ever other engine requires some amount of customization.
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Old April 5th, 2016, 12:09 PM
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Quote:
Originally Posted by JSBriggs View Post
LS swap.

(drops mike)

-Jeff
Mike who?
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  #6  
Old April 5th, 2016, 12:11 PM
bnoonan
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What doe LS swap mean?
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  #7  
Old April 5th, 2016, 12:25 PM
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Quote:
Originally Posted by bnoonan View Post
What doe LS swap mean?
An LS is a modern (1997+) GM V8.
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Old April 5th, 2016, 12:28 PM
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Ahhh yes, OK. I've read a bit about these. How do folks feel about these?
Aside from the fact they are less-than original, does this provide more reliability and better performance than a refurb 300?
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Old April 5th, 2016, 12:31 PM
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Quote:
Originally Posted by bnoonan View Post
Ahhh yes, OK. I've read a bit about these. How do folks feel about these?
Aside from the fact they are less-than original, does this provide more reliability and better performance than a refurb 300?
It has much more performance. 3 to 4 times the power. It is much more complex. I'm sure they are both reliable when done correctly.
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Old April 5th, 2016, 12:33 PM
bnoonan
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Thanks John.
I think I'm out on the LS.
I prefer the rumble and the fuel efficiency. I don't need to do 90mph in my 90.
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Old April 5th, 2016, 12:37 PM
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It has much more performance. 3 to 4 times the power. It is much more complex. I'm sure they are both reliable when done correctly.
To me thats the issue. For a 90 I think thats way too much power.

I'd be so much happier with a car that can safely go more than 130 miles between fill ups.
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  #12  
Old April 5th, 2016, 12:41 PM
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An LS 4 with the 6 speed probably gets nearly the same mileage as a TDI as they have cylinder deactivation as long as you do not use the extra power.

Another option is a TD5.
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  #13  
Old April 5th, 2016, 12:43 PM
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Quote:
Originally Posted by JSBriggs View Post
And by complex, he means parts are cheap, they seal the oil in better, and have roller lifters that don't need to be manually adjusted every xx miles.

-Jeff
All Rover 4 cylinder engines based on the 2.25 have roller lifters.

By complex...I mean all of the electronics. I'm not saying one is better or worse, just pointing out differences.
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Old April 5th, 2016, 01:05 PM
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My 300Tdi LR factory re-power kit took the place of a factory V8 w/auto configuration. The kit was modified for an autobox before it left the UK. Frogs Isl. and Ashcroft worked together to remove & replace the manual trany.

Other than the frame engine mounts EVERYTHING else was exact with no modifications to the tunnel or drive shafts. My Tdi does push the same automatic trany model designed for the Disco1 300Tdi (ZF4HP22).

160K+ miles on her now and 15 years later, NO issues to speak of.
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Old April 5th, 2016, 01:08 PM
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LS motor into an RV10.
Here’s Proof That You Can SWAP An LS Engine Into ANYTHING – CarBuzz
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