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willysmjeeps.com :: View topic - starts, but accelerates rough..
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starts, but accelerates rough..

 
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M38CDNdriver
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Joined: Mar 11, 2013
Posts: 7
Location: Winnipeg, Manitoba, Canada

PostPosted: Tue Jun 10, 2014 10:02 pm    Post subject: starts, but accelerates rough.. Reply with quote

My M-38 will start fine, rev up fine but once put into gear it accelerates with a knocking sound and accelerates sluggishly. If I don't throttle too hard I can accelerate, be it slowly with no knocking sounds .....
This problem occurred quite fast and out of the blue
Any thoughts out there??

KGB
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wesk
Site Administrator
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Joined: Apr 04, 2005
Posts: 15813
Location: Wisconsin

PostPosted: Tue Jun 10, 2014 11:21 pm    Post subject: Reply with quote

Try to be more specific in the knocking sound description. IE Rod knock, piston slap, spark knock etc. And try to indicate from about what location the knock seems to come from.
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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php
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M38CDNdriver
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Joined: Mar 11, 2013
Posts: 7
Location: Winnipeg, Manitoba, Canada

PostPosted: Wed Jun 11, 2014 7:07 pm    Post subject: Reply with quote

looks like with the engine also smoking good ...and I don't mean menthols maybe its time for a rebuild
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Bearbait
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Joined: Aug 24, 2013
Posts: 19
Location: Saskatchewan, Canada

PostPosted: Thu Jun 12, 2014 5:51 am    Post subject: Reply with quote

Are you referring to blue smoke? Cause if it it is then you will be tearing the old girl down. If it's white smoke you should be noticing your antifreeze dropping in the radiator. But if it's brown or black smoke, look for fuel issues or a bad spark plug .
I hope this helps, if you are needing engine parts there is a guy in Brandon MB on kijjiji that has a bunch of 134 engine parts for sale.

Are you in Winnipeg or the surrounding area, I live near Russell MB, maybe we will see each other at a car show sometime.
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Brad Young
Expensive habits:
1971 M38A1
1967 Mercury steps side short box
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