Disco 4 engine diesel to petrol swap

Disco 4 engine diesel to petrol swap

Author
Discussion

Pinbot

Original Poster:

49 posts

290 months

Saturday 24th October 2020
quotequote all
I have a 2015 Discovery 4 SDV that doesn’t meet the ULEZ due to be introduced inside the North Circular in London next year. I live inside the NC and don’t want to get rid of it - it’s a keeper.

I know petrol versions were sold in Japan and the US but can’t find anything on swapping the diesel for a petrol engine.

Should be straightforward swap? Anyone know if it’s been done?

anonymous-user

61 months

Saturday 24th October 2020
quotequote all
Interesting one.
Odd that it’s only five years old and doesn’t meet the limits.
Thing is, it’s modern enough to be quite complex. Early Discos were pretty analogue in their design and construction but I doubt a 2015 vehicle will be anything like as simple, especially on the electronics front.
Added to that, donor vehicles won’t be as easy to source. There won’t be any MOT structural failures yet (as per D1 & 2) so you’re looking mostly at RTC write-offs being broken for spares or new parts which will get expensive.
I’d be looking at a whole vehicle swap, much though that grates.
I share your pain, driving a Defender Td5. Every bit of communication I’ve had from the badly hidden communists at TFL has opened with “Have you considered scrapping your vehicle?”
Still, could be worse. The recovery firm that cover our fleet at work are chopping up tilt-bed recovery trucks, bought new in 2013 for circa £90k - they’re not compliant and the company literally can’t give them away.

ClaphamGT3

11,523 posts

250 months

Saturday 24th October 2020
quotequote all
Have you actually checked the emissions for the vehicle on its type approval certificate?

If they are below the limit set for ULEZ you can apply for a specific vehicle exemption.

Charlie Croker mk2

289 posts

107 months

Saturday 24th October 2020
quotequote all
The swap to petrol engine will be very expensive and the resultant car will consume loads more fuel and in doing so will cause far more pollution than the original , something tfl choose to ignore. !

Rather than do all that work I would p/x it in a more enlightened part of the country for a eu6 diesel of your choice . Dealers in the North would love your 2015

CAPP0

19,899 posts

210 months

Saturday 24th October 2020
quotequote all
I believe the ULEZ categorisation can't be changed from what it came out of the factory as, so you wouldn't gain anything from the swap ref the charging zones.

anonymous-user

61 months

Saturday 24th October 2020
quotequote all
Charlie Croker mk2 said:
something tfl choose to ignore. !
TFL are to vehicle emissions science what Girls Aloud are to the advancement of brain surgery.
Utter cretins of the highest order, and breathtakingly self-assured to boot.
Took me the best part of a year and close on 25 emails to get them to accept my former van-bodied 90 is now essentially a station wagon.
That means it’s now not subject to the basic LEZ even though the engine and its emissions are totally untouched. In fact, considering the addition of windows and seats has increased the weight slightly, the vehicle is in theory even less fuel efficient than before.
Still, rules is rules. TFL says so.

Pinbot

Original Poster:

49 posts

290 months

Saturday 24th October 2020
quotequote all
I have checked the TFL website to confirm it doesn’t meet the ULEZ. I don’t use it for a daily commute, only real mileage is going to see relatives outside London and holidays with the kids - new regulations driving me mad.

I suppose the reason no one else has tried an engine swap is it just doesn’t make sense financially or with the paperwork.

Really don’t know what I can replace it with though.

anonymous-user

61 months

Saturday 24th October 2020
quotequote all
Pinbot said:
Really don’t know what I can replace it with though.
A newer one. Can’t afford it or can’t justify the cost? Oh well. You’ll just have to take the bus. Your fault for being a bit capitalist.
This is the TFL way. I think it’s called communism.

Cold

15,553 posts

97 months

Saturday 24th October 2020
quotequote all
Pinbot said:
Really don’t know what I can replace it with though.
A supercharged Range Rover Sport. In fact buy one them and swap the bodies over. Job jobbed. thumbup

AndrewO

664 posts

190 months

Sunday 25th October 2020
quotequote all
My old 66plate Discovery4 was ULEZ compliant, has an Adblue filler next to the diesel one.


Dedders

148 posts

103 months

Sunday 25th October 2020
quotequote all
As above, the very last of the Discovery 4s were Euro 6 so just upgrade to one of those which will be a lot cheaper than an engine swap.