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Slim 
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Joined: 16 Apr 2013
Location: Indiana
Points: 510
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 Topic: 170 Gas Will Not Start
Posted: 03 Apr 2015 at 10:50am |
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I bought this 170 with a stuck engine. I have since freed the engine and completely refurbished the fuel tank and carb. There is free flowing fuel to the carb and the bowl fills. I have spark on all plugs. However, I cannot get the thing to fire not even on starting fluid. What's the problem? The engine only has 2,100 hrs on it. What am I missing?
-Slim
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AC 1971 170 WF Gas, AC 185 Diesel WF, AC WD NF, AC '54 WD45 NF, AC 7080, AC 7030, Wheel Horse D-180 Automatic
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Tracy Martin TN
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Joined: 11 Sep 2009
Location: Gallatin,TN
Points: 10791
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Posted: 03 Apr 2015 at 10:58am |
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Have you had the valve cover off and looked at the valves? What is the compression on each cylinder? Sounds like it won't draw fuel mixture into cylinder. What did you do to free up the engine? Tracy
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No greater gift than healthy grandkids!
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Slim
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Joined: 16 Apr 2013
Location: Indiana
Points: 510
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Posted: 03 Apr 2015 at 11:10am |
 Tracy Martin TN wrote:
Have you had the valve cover off and looked at the valves? What is the compression on each cylinder? Sounds like it won't draw fuel mixture into cylinder. What did you do to free up the engine? Tracy |
I haven't had the valve cover off. That's a good idea. I'll do that next. I haven't checked compression. Probably a good idea to do that as well. As for freeing up the engine, I soaked the cylinders with Marvel Mystery Oil.
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AC 1971 170 WF Gas, AC 185 Diesel WF, AC WD NF, AC '54 WD45 NF, AC 7080, AC 7030, Wheel Horse D-180 Automatic
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DrAllis
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Joined: 12 Sep 2009
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Posted: 03 Apr 2015 at 12:09pm |
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COMPRESSION TEST !!!!!!!!!!!!
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Tracy Martin TN
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Joined: 11 Sep 2009
Location: Gallatin,TN
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Posted: 03 Apr 2015 at 12:28pm |
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If that is all you done, you will find the compression test really low I bet. If an engine is stuck that it takes more than a little effort to free. I would at least pull the valve cover and look, most of the time get the head off as well. Tracy
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No greater gift than healthy grandkids!
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SteveM C/IL
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8629
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Posted: 03 Apr 2015 at 3:14pm |
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...check your firing order making sure to know distributor rotation.Stuck engine often means stuck rings too.
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Slim
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Joined: 16 Apr 2013
Location: Indiana
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Posted: 07 Apr 2015 at 6:41pm |
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It runs!!! Finally. The problem was bad spark plugs. Now all I have to do is free the clutch up.
-Slim
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AC 1971 170 WF Gas, AC 185 Diesel WF, AC WD NF, AC '54 WD45 NF, AC 7080, AC 7030, Wheel Horse D-180 Automatic
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