Extreedoc
Well-Known Member
- Posts
- 505
- Location
- Leicestershire
2495cc 19J engine, compression ratio is 21:1 (NAD). Approximately 20 mpg.
2495cc 12L 200TDI or Di engine, compression ration 19.5:1. Approximately 30 mpg (in DI form). I don't know what they do with the turbo, mine is Di.
They both have the same block but different heads.
Does anybody know WHY the big difference in fuel consumption? Not much difference in compression ratio so is it less efficient injectors or pump? Different sized valves? Different cam profile? What do you think?
I've posted this same question on LRUK.
2495cc 12L 200TDI or Di engine, compression ration 19.5:1. Approximately 30 mpg (in DI form). I don't know what they do with the turbo, mine is Di.
They both have the same block but different heads.
Does anybody know WHY the big difference in fuel consumption? Not much difference in compression ratio so is it less efficient injectors or pump? Different sized valves? Different cam profile? What do you think?
I've posted this same question on LRUK.
Last edited: