I've discovered that something is pressurising my fuel tank on my 2.5TD, after speaking to the guys at Windmill (local landy spot) they told me the diaphragm in the (Lucas) DPS pump has probably perished and to replace the little devil. Well I got the replacement diaphragm, and I'm looking...

Morning folks, thought I'd say hello and pop the question that's been on my mind for the past few of days. I'm the proud owner of that lovely Defender 90 over there on the left, lovely truck, but AWFUL uphill on a motorway. Now my quandry is this.. Do I swap the 2.5TD in there for a 2.8...