What 2.0 - 2.5 Engine for a RWD Transplant?

[KTMsm]

I have an old Ranger pick up that I want to use both for local use and sitting on the motorway it won't carry more than 500kg

I'm intending to fit a 2-2.5 petrol engine and then LPG it

What are the decent choices these days ?

Last time I did it I fitted an Astra 2.0 XE into a Manta

I'd like 150-200 bhp ideally using the standard ECU to keep things simple and cheaper

Daily usability / sensible budget is the goal not ultimate bhp

[KTMsm]

I don't care

LPG works out better IME and you can enjoy driving it

Nothing worth mentioning

[KTMsm]

Yes it would be engine and box - there are conversion kits for most of the common ones - which thinking about it will probably give me my answer