Timing the injection pump with a dial indicator has absolutely nothing to do with pistons meeting valves. The injection pump can be completely out of time and no interference will happen. It won't run, but it won't hurt anything (other than wasting fuel).
Quote from: "Northern RD"Sloppy short-cuts of that sort generally tend to be more trouble than they`re worth as they seem to fail with depressing regularity: you then have to go back and do it again, an exercise in futility that could have easily been avoided if you`d taken the trouble to do the job right the first time,....Also I`m curious: if yor rerk refers to others, then why quote me and send the remark my way?? avery roundabout way of making a point,..The first two paragraphs after the quote directly referred to your comments. So your friend who trashed valves now uses a "dialo gauge" every time, eh. Why not say, "He now uses synthetic lubricants"? It would have as much bearing on your previous comment. The only use for a "dialo gauge" with regard to timing a diesel is the injection pump, which has nothing to do with valves hitting pistons. I don't need another dial indicator I already have both a metric and SAE versions. I personally always recheck the pump timing when changing a belt, or head for that matter, but unless the pump has been unbolted 99.9% of the time, even with a new belt the timing will be exactly the same as it was, provided the belt is put on the sprockets correctly. I recheck the timing just to make sure I'm not that 1 in 1,000 case. But provided that the cam is indexed properly (very important) then perhaps someone would rather not spend the extra bucks for another tool (dial indicator) that probably won't be needed at this time. That is not a shoddy shortcut, that is intelligent frugality, especially considering that not rechecking the fine timing of the pump will NOT cause any potential for engine damage unless the new belt is completely defective, in which case you're screwed anyway. I cannot say what someone's financial situation or tool buying obsession is. Sure, get that dial indicator along with the set of mics and the CNC lathe/mil/drilll, just in case. My *Grand* point is that fine checking the pump timing is probably not necessary even when R+Ring the head. Checking cam timing IS. If the car doesn't run well or gets poor mileage after the work then getting the dial indicator might be worth it. The *nature*(gist) of the whole thread is what is *necessary* for the procedure. My vote is that fine pump timing isn't unless you unbolt the pump. Yes, the rest of the comments regarding retiming a pump were somewhat directed at other comments, but were related enough that I didn't bother to end my post and repost another one with the further comments. simpler post that way. :wink:Andrew
Sloppy short-cuts of that sort generally tend to be more trouble than they`re worth as they seem to fail with depressing regularity: you then have to go back and do it again, an exercise in futility that could have easily been avoided if you`d taken the trouble to do the job right the first time,....Also I`m curious: if yor rerk refers to others, then why quote me and send the remark my way?? avery roundabout way of making a point,..
I never made any jabs at your typing skills. I put "dialo gauge" in quotes because I thought perhaps it was something I did not know about. I asked twice what it was without response from you. I assumed it was a dial indicator, and said so, but that was never confirmed or denied by you.If the pump is not unbolted, how is it's timing changed in a way that having a dial indicator will correct it provided the timing belt is put back on correctly :?: :?: Personally I don't care if anyone else uses or doesn't use a dial indicator, but when I see misinformation presented, I'll point it out as a service to others. When others point out misinformation that I present I acknowlege it and thank them.It would seem to me that you are more bent on emotional and dramatic comments than on any real mechanical explanation or discussion. I originally made an accurate correction of your inaccurate implication that using a dial indicator will help prevent valve and piston contact. Since then you've hassled me and IMO without any reason or explanation.Andrew
Topic: Theory on Timing (Read 8392 times)
