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Hello all, I've completed by fuel system refit for my surplus BMC 1.8 (westerbeke w50). There are new fuel filters, lift pump, rebuild injection pump, new glow plugs, and new injectors (all 4) tighter to spec (12 ft/lbs). Successful bled everthing according to the manual and got her fired up. She runs a bit rougher than normal. I was cautious to try and get the timing lined up. The previous pump was quite advanced, rotated toward the outside of the engine. The injectors were also in rough shape. My pump is the mechanical variant without the torsion bar. I don't have much smoke to speak of, perhaps a tiny amount that may be steam it's humid at 10 degrees today. The issue: However, when running I'll hear a 'Lumpy' or rocky feeling combustion (I believe) it's pretty consistent. I do not believe it was there before. It's more pronounced at lower rpm it increases with rpm until it's not very noticable. I slackened the Union nuts in the fuel lines and was able to make the engine very lumpy all the time on 3 cylinders. So I know all are firing at some point. The first and 4th fuel line sprays everywhere, while 2 and 3 are a little more relaxed at least not misting. I hope this isn't too much info. Basically, I'm looking to see if the timing could be the culprit here? Perhaps too advanced to cover for the older injectors? Perhaps I installed it not advanced enough? Possible bad new injector? Another thing I'm playing with for a future task is perhaps too much back pressure. I have way to much rise ~1.5M (60inches). The lump feeling does seem to coincide with the wet exhaust discharge interval. Perhaps I didn't notice it before? Another, thought I had: I adjusted the valve lash, if I over did it when tightening down could this cause that issue? Though, it ran fine with the previous injection pump. Any insight or thoughts would be much appreciated! Thank you!

I changed the fuel filter last weekend. Not a massive problem, except that bleeding the injector pump was a bit of a b****h. And I now have a bit of a diesel leak. It seems to be coming from the small screws below the bleed nuts (pictured in red). Said bleed nuts could also do with replacing, as the have been a bit chewed up previously. Does anyone know where I can get parts for this, or even what the injector is? The name plate is a bit eroded (also pictured).

Just had all the injectors in for a service and they were shot blasted. Now they feel loose in the bores even though they were a real bugger to remove and I've got blow by on two of them. Should I have used some kind of sealant or caulking? I remember removing rings of some kind of material from them on removal any ideas what it may/should be ? Thanks.

Hello, On my beta 38 (4cylinder bv1505) there is always a small amount of diesel around the injectors after I've run it for a while. I've cleaned it up with tissue paper, and when I run it again, the diesel returns. It's not a great deal, but enough to make a nasty smell and smokey engine room. I wondered if I needed to put new washers in the injectors? You can't see anything leaking if you look at the injectors (carefully) while the engine's running, but the diesel is certainly there after an hour or two. The engine was run up by a good engineer, so I expect that the injectors are tightened up correctly, but this might not be the case. I'd really appreciate any suggestions! Thanks! Patrick Vale