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Re: diesel compression -opinions?


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Posted by trucker 40 on July 14, 2011 at 08:52:19 from (69.152.36.76):

In Reply to: diesel compression -opinions? posted by Tony in Mass. on July 13, 2011 at 20:16:28:

I went back and looked at your pictures.Did you have the chain off the front of the engine?Is the front cover still off of the engine?I also saw your pictures of your valve job.That picture didnt look very encouraging.The work you have done looks good and clean,but how do you know you have those pitted seats done right?I wish you had taken more pictures of that.I know your frustration if they did you like you say.Now to leave your head lying around for months is no way to treat a customer,or they didnt want to work on it to start with.
Anyway,they are saying there is some place where you stick a drill bit in the flywheel to time it.Do you know where that is?
I am impressed that you would take on a basket case like that.Thats hard to do,I know from experience.However wouldnt you need a manual?I know I would.I guess maybe after consuming the appropriate amount of whatever beer you are drinking and then maybe you have a vision of how this all works?Is that how you were doing it?Or maybe youve worked on these before so much that you figured you could do it by beer alone?Maybe you cant find a manual or they want a fortune for one?
Anyway,what did the ring end gaps check at?Did you test the valves after you did your"valve job"on them by pouring diesel or something in the chamber to see if they leaked?Now that you know about the dowel pin to time it,do you know where the hole is that you use for that?
It is good that you asked about the compression.Its obviously way too low.So now you have to see if you can figure out why that is.Also in your spare time maybe you should look for a better machine shop to do a real valve job unless you are absolutly sure they are seating.I havent seen very many people with xray eyes that could look inside of an engine and see what was wrong,and I havent seen anybody who could drink enough beer to where they could figure out how to time a diesel engine without a timing mark of any kind.It might be possible to set the valves without a timing mark,but you wont get the pump on there without some way of timing it.Now that you know what to do,see if your valves are set right.Then recheck your compression,if you dont see way more then ask again and if I see your question Ill try and think of more things that can be wrong.Also,if you ask about something,its always a good idea to say just what it is that you are working on,and any more info you have.You will get a better answer that way.I still dont know much about your engine,but Im learning more each time I look at this post!


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