I believe gas injection may be the only option for a 2001 (Bosch based) motor.
I have a blend system on my 97 GEMS motor.
It works very well, and saves a lot of $$$.
If you're planning to keep the car for a few more years, I'd say go ahead and do it.
The main consideration is what size tank you get and where you put it. If you get a traditional tank and have it in the cargo area, obviously you lose about half of your load space. If you get a donut tank fitted in the spare tyre well, you lose the spare tyre.
Mine is a traditional tank mounted on 2 rails at the back of the cargo area. I still have full access to the spare tyre well, and I have built a cover out of MDF to surround the tank and finished it with matching fabric trim.
I also have the dog barrier, which means I can load soft stuff up on top of the tank.
Good luck
Dave
2011 Range Rover Sport SDV6 Autobiography
2007 Range Rover Sport TDV6
2004 Freelander TD4 SE
1997 Range Rover 4.6 HSE
1994 Range Rover Vogue
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