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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
Going to pick up an old 632
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<blockquote data-quote="Ster1" data-source="post: 121456" data-attributes="member: 20800"><p>I finally did a proper lapping job on the valves, and got much better compression. Originally (before new rings etc) it was 120-90-40-105. Now I got 100-95-90-90. I bet it will get better once the rings wear in. I'm in Denver, so 90 on a static compression for an old gasser is not great, but workable. At least they're now alot closer to each other. I'm still having a misfire at #1, it's colder then the others. Don't know why yet, that's my best cylinder <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> I think I'm getting closer to a good engine though. I think I was having issues with my fuel pump too, the old mechanical one. I have enough gas in the tank to get a gravity feed working, and I just bypassed the mechanical pump, and the engine started up much faster today. I think I'm going to remove that mechanical pump, and block off the hole, and install a clicky - clack pump.</p></blockquote><p></p>
[QUOTE="Ster1, post: 121456, member: 20800"] I finally did a proper lapping job on the valves, and got much better compression. Originally (before new rings etc) it was 120-90-40-105. Now I got 100-95-90-90. I bet it will get better once the rings wear in. I'm in Denver, so 90 on a static compression for an old gasser is not great, but workable. At least they're now alot closer to each other. I'm still having a misfire at #1, it's colder then the others. Don't know why yet, that's my best cylinder :) I think I'm getting closer to a good engine though. I think I was having issues with my fuel pump too, the old mechanical one. I have enough gas in the tank to get a gravity feed working, and I just bypassed the mechanical pump, and the engine started up much faster today. I think I'm going to remove that mechanical pump, and block off the hole, and install a clicky - clack pump. [/QUOTE]
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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
Going to pick up an old 632
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