Romahomepete Posted September 16, 2021 Share Posted September 16, 2021 Just for comparison sake so that you know what can be achieved with an engine that is properly set up. I run a 1958 S2 SWB with a late S3 5mb diesel engine, standard diffs, overdrive and 750 tyres. It will cruise comfortably on the motorway at 55 - 60 can push to 65 and have once agot to 70 on the flat. Noisy but goes well and regularly returns 30mpg on a run. Speeds are checked with a GPS speedo as the fitted one becomes inaccurate over 50mph. Peter Quote Link to comment Share on other sites More sharing options...
deep Posted September 16, 2021 Share Posted September 16, 2021 13 hours ago, Romahomepete said: Just for comparison sake so that you know what can be achieved with an engine that is properly set up. I run a 1958 S2 SWB with a late S3 5mb diesel engine, standard diffs, overdrive and 750 tyres. It will cruise comfortably on the motorway at 55 - 60 can push to 65 and have once agot to 70 on the flat. Noisy but goes well and regularly returns 30mpg on a run. Speeds are checked with a GPS speedo as the fitted one becomes inaccurate over 50mph. Peter I'd second that. My first Land Rover was a 1977 LWB station wagon with its original 2 1/4 diesel and 7.50x16 tyres. Before I put an overdrive in, I drove it foot hard down and let the governor/road conditions set the speed, which maxed close to 60 m.p.h. quite easily. Once I put the overdrive in, it would sometimes creep up to 65 but died in a headwind. Economy with the overdrive was typically 30m.p.g. but it actually had been a little better without the overdrive. Quote Link to comment Share on other sites More sharing options...
Snagger Posted September 17, 2021 Share Posted September 17, 2021 Mine wasn’t far off that with the slightly more powerful 2.5NAD (12J). Cruise was definitely 60, dropping off a bit with strong headwinds or moderate hills, down into 4th without OD. Fuel economy was similar to you, worsened by a roof rack. Overdrive did little to improve that, as it means turning more gears and stirring/heating more metal and oil, but it does improve comfort on a long drive. Quote Link to comment Share on other sites More sharing options...
deep Posted September 17, 2021 Share Posted September 17, 2021 (edited) My last 110 had a 2.5 naturally aspirated 18J diesel. It definitely had more grunt than the old two and a quarter but wasn't quite as good on fuel. 25-30 was the norm, which I found disappointing as I expected the slightly newer technology to do better, not worse (if anything, I drove it more slowly, generally around 55 m.p.h.). Maybe the 110 pushes more air than a 109, being higher off the deck? Edited September 17, 2021 by deep fixed a fib... Quote Link to comment Share on other sites More sharing options...
Anderzander Posted September 17, 2021 Share Posted September 17, 2021 Has the OP disappeared? 1 Quote Link to comment Share on other sites More sharing options...
Wytze Posted September 17, 2021 Share Posted September 17, 2021 57 minutes ago, Anderzander said: Has the OP disappeared? Some of them just want to hear... yes, put a V8 in it🙃 1 Quote Link to comment Share on other sites More sharing options...
Nonimouse Posted September 22, 2021 Share Posted September 22, 2021 On 9/17/2021 at 8:39 PM, Anderzander said: Has the OP disappeared? Maybe he was staring to realise he had been taken for a ride.... 1 Quote Link to comment Share on other sites More sharing options...
Snagger Posted September 27, 2021 Share Posted September 27, 2021 He mentioned the engine was rebuilt by a specialist in Yorkshire. I had a 12J, bought as reconditioned by a notorious seller and rebuilder of LRs in Yorkshire, which when I pulled it apart after having so many problems with it had a bent crank shaft, the woodruff key slot had been welded and then ground back, but they had badly ovalised the end of the shaft so the pulley say 2deg off true, the oil pump was scrap, the cam lobes were worn away, all the pistons were cracked and the head was bowed with several bent pistons. All they had done was dress the engine and fit a recon injection system (that was at least good). I wonder if it’s the same outfit, well known for two sisters into rally sports. 1 1 Quote Link to comment Share on other sites More sharing options...
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