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91
220 / Re: Engine loss of power going up steep hill.
« Last post by Scott Montoney on April 09, 2020, 07:15:34 PM »
I doubt it.  I travel this route with her several times a week, during the spring to fall seasons.
But I greatly appreciate the input.
92
220 / Re: Engine loss of power going up steep hill.
« Last post by Ted on April 09, 2020, 01:01:20 PM »
Was it too steep hill? Could it be that the carburetor was inclined and the carb float closed the fuel line?
93
220 / Engine loss of power going up steep hill.
« Last post by Scott Montoney on April 08, 2020, 11:55:43 AM »
Ok, it's my turn to request some input. . .
Yesterday I was out for a drive on a route that I frequently take through the countryside.  Sections of the trip are up a fairly step, but short, hill.
As I got near the top, my engine started to jerk and loose power.  I was just able to get to the top and then it smoothed out again.  I have had this similar action once when I was very low on gasoline and the level in the tank became too low for the pick-up tube.  This is not the case here.  Plenty of gasoline in the tank.
I came to another similar hill.  Same thing happened.  I tried pulling out the choke a little bit but it did not help.  It acted as if there was not enough gas in the bowl of the carburetor.
 I finally made it home (it was doubtful for a period of time).  I feel this is a fuel flow issue. I checked the fuel filter and it looked cleaner than I expected.  I checked and cleaned the carburetor jets, and they also looked fine.  I disconnected the fuel line to the carburetor, connected a clear hose to the line, and ran it into a glass jar.  I then manually operated the hand lever on the fuel pump.  If I pumped it slowly, I got a reasonable amount of fuel.  However, if I pumped it quickly, the volume looked to be much less.  My bigger concern is that, even when pumped slowly, there were a lot of air bubbles that I could see in the clear tubing that I connected.  Has anyone done anything similar?  Should there be any air in the fuel line at all?  I would think minimal if any. 
Maybe I have a crack/leak in the pump diaphragm, or maybe an air leak in the filter/valve control assembly?  It has been a few years since I rebuilt the fuel pump, so I just ordered a new rebuild kit.  While waiting for it to arrive, I may try to connect a clear line on the other side of the fuel pump to see if there is air entering the fuel pump.  Might help to isolate what is going on, if this is even the root of the problem?  I just don't know for certain.
Since the engine is running fine on level ground, and short hard acceleration is also ok, I think my ignition timing is ok.  I keep coming back to suspecting a fuel delivery problem, but I would welcome any additional "constructive" comments and advice.

Thanks for your time!
Scott
94
Technical / Re: Weak engine and mysterious behavior
« Last post by Scott Montoney on April 08, 2020, 11:22:17 AM »
Thanks for the update.  Happy it was a positive outcome.
95
General Discussion / Re: sindelfinger emblem
« Last post by twigren on April 07, 2020, 01:53:29 PM »
The emblem is not for all the 170 versions/yearmodels
Dont know where Iíve seen it but there was a friend in the 170V.DE forum who gave some insight on this some while ago.
On my 170S I dont have this.
Sorry to not being able to help more.
/Thomas
96
Technical / Re: Weak engine and mysterious behavior
« Last post by twigren on April 07, 2020, 01:49:47 PM »
Thanks Marc, Owen and Scott!

Things are solved but it was a tough one.
Had issues with  spark plugs (leaking/low compression in two cylinders), ignition timing as well as air-leak in carburator.
Anyway. The engine runs ok now 👍

Thanks again for your support

/Thomas
97
General Discussion / Re: sindelfinger emblem
« Last post by Scott Montoney on April 06, 2020, 08:21:28 AM »
George,
I have not been able to locate anything to provide the proper placement.  At this point, perhaps just find as many photos as possible and make a judgement call from what you see.
Sorry we have not been of any help on this particular topic.
98
General Discussion / sindelfinger emblem
« Last post by George on March 26, 2020, 06:11:03 PM »
Hello everyone.

This is my first post here!

So, I recently purchased the sindelfinger karosserie emblem for my 170s as it did not have one but I'm not sure how it was originally placed.

Can anyone help me?

Hope my picture helps.

Thanks!!

99
Technical / Re: Weak engine and mysterious behavior
« Last post by Marc1340 on March 16, 2020, 09:15:20 AM »
Hello Thomas

Just an additional point of verification to try to help you :

- you adjusted your ignition using the strobe light: ok
but
the reference mark on the engine flywheel is it well placed ?

For be sure you must also check that your control point on the engine flywheel is in accordance with the position of  TDC cylinder 1

Best regards
100
Technical / Re: Weak engine and mysterious behavior
« Last post by Marc1340 on March 16, 2020, 06:38:41 AM »
Hello Thomas

Just an additional point of verification to try to help you :

- you adjusted your ignition using the strobe light: ok
but
the reference mark on the engine flywheel is it well placed ?

For be sure you must also check that your control point on the steering wheel is in accordance with the TDC cylinder 1

Best regards
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