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timing issue

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illbdipt
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PostPosted: Sun Dec 31, 2017 12:13 pm    Post subject: timing issue Reply to specific post Reply with quote

hi all, brought home a 1951 john deere a, it runs ok. wanted to check the timing and discovered the plug wires on the delco-remy distributor are reversed.

must be installed 180 degress out ? would it run better if dist. installed correctly ? not sure

thanks for any info
 
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PostPosted: Sun Dec 31, 2017 1:44 pm    Post subject: Re: timing issue Reply to specific post Reply with quote

That's does not matter one bit. As long as the plug wires are on it so each cylinder fires when they should you can have it correct or 180 and still run exactly the same. I put a rebuilt mag on my 1935 B and got it on 180 out and I have not bothered to change it since it does not matter
 
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rustred
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PostPosted: Sun Dec 31, 2017 2:18 pm    Post subject: Re: timing issue Reply to specific post Reply with quote

does not where the plug wires sits in distributor,but engines from factory do have a number 1 spot on the distributer. every engine has number 1 starting spot. to make things look neat and tidy wires should be placed where they were inteaded to be. plus it makes for easy checking on the firing order. plus it keeps mechanic's on the same page.
 
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PostPosted: Sun Dec 31, 2017 7:10 pm    Post subject: Re: timing issue Reply to specific post Reply with quote

Ah but on a 2 cylinder which he has it is no big deal other then looks
 
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rustred
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PostPosted: Sun Dec 31, 2017 7:41 pm    Post subject: Re: timing issue Reply to specific post Reply with quote

exactly,... be it 2 cyl. or 8 cyl. you missed my point.
 
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illbdipt
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PostPosted: Mon Jan 01, 2018 3:20 am    Post subject: Re: timing issue Reply to specific post Reply with quote


thanks, i have to read up on it more . i did static time it according to manual, but advancing or retarding it an inch in either direction has little effect on the way it runs .
 
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mdross
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PostPosted: Mon Jan 01, 2018 4:14 am    Post subject: Re: timing issue Reply to specific post Reply with quote

Have to say I can see both points of view on where the plugs wires should be on a two cylinder engine. As long as it works I guess it is Okay. Have to add I prefer it to be the way it should be by the book especially if you own more than one tractor. My only concession was to change both my twin cylinders to negative ground.
 
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PostPosted: Mon Jan 01, 2018 7:47 am    Post subject: Re: timing issue Reply to specific post Reply with quote

Well I onw way more then one but I only have 1 2 cylinder that runs. As for - ground unless you have an alternator doing that can cause problems with the V.R. if there the new solid state ones
 
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PostPosted: Mon Jan 01, 2018 8:10 am    Post subject: Re: timing issue Reply to specific post Reply with quote

No I did not miss you point. Only way that is correct is if the cap be it 2 cylinder or 8 is marked as to which one is #1
 
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PostPosted: Mon Jan 01, 2018 8:12 am    Post subject: Re: timing issue Reply to specific post Reply with quote

Many times if does nothing if you advance it or retard it unless it is running at full RPMs and even then on a slow engine like the JD 2 cylinder it is hard to tell
 
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rustred
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PostPosted: Mon Jan 01, 2018 8:28 am    Post subject: Re: timing issue Reply to specific post Reply with quote

but you will tell by the way it starts. keep it timed to factory spec's.
 
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rustred
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PostPosted: Mon Jan 01, 2018 9:06 am    Post subject: Re: timing issue Reply to specific post Reply with quote

that is not true. very few manufacturers number which tower is number one on the cap. it goes by position. examples are: the 4 cyl. ihc engine is always at 2:00 position, the magneto tractor use the same position. the chevy 350 engine's position for number one is at 7:00 position right by the points window. ford has number one position at rear of engine . every manufactureer has their own #1 position for their engines and when leaving factory all #1 cyl. wires are in the exact same spot on distributor on every vehicle or tractor. BUT of course you can put #1 wire any place you want but it is not correct and will run just as good as factory position.
 
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rustred
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PostPosted: Mon Jan 01, 2018 10:25 am    Post subject: Re: timing issue Reply to specific post Reply with quote

why do you keep arguing just to argue?.. then repeat the same thing i just said. i just told u it dont matter where #1 goes but it is not correct from factory... got it?
 
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PostPosted: Mon Jan 01, 2018 10:33 am    Post subject: Re: timing issue Reply to specific post Reply with quote

Your the one who argues I just say it like it is PERIOD
 
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illbdipt
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PostPosted: Mon Jan 01, 2018 1:50 pm    Post subject: Re: timing issue Reply to specific post Reply with quote

took dist. off and gave shaft 1/2 a turn and reinstalled it. all is well
 
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