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Project Cars--You Get to Vote on "Hold 'em or Fold 'em"

19417 messages,  Last post on Dec 04, 2009 at 2:47 PM

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#19233 of 19417
Can someone explain this little phenomenon to me? by andre1969
Nov 08, 2009 (6:03 am)
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My '79 New Yorker has been giving me fits for awhile now, refusing to start, smelling like it's flooding out, and, ultimately, killing the battery. I guess it's been about a month and a half since I successfully started it; I do remember using the NYer to jump start the tractor the last time I cut the grass.
 
Yesterday I put the LeMans's battery in, and it still wouldn't fire up. I don't know what made me think to do this, but I pulled the distributor cap off, pulled the rotor, blew on it, and rubbed my finger on the contact point. Put it back together, and it fired right up!
 
So was it maybe just some moisture in there? The cap and rotor are new. Well, less-than-a-year-old, new.
 
I've never had this problem with my other '79 though, the 5th Ave, which is identical. And if it is just moisture, what's the best way to deal with it? I don't like the idea of having to "pleasure" my car every time I want it to fire up!
#19234 of 19417
Re: Can someone explain this little phenomenon to me? [andre1969] by Mr_Shiftright HOST
Nov 08, 2009 (6:36 am)
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Replying to: andre1969 (Nov 08, 2009 6:03 am)

You're going to laugh your butt off at this, but back in the 1970s, Mercedes had this kind of problem, and they issued little rubber "raincoats" for the distributors on all their cars. This is a totally TRUE story. I was an eye-witness.
 
Barring that, you might try some silicon spray on the cap and wires (are the wires old--say more than 30,000 miles old?) and you might consider a battery tender on the car to give you that little extra battery boost. I think you have the gear reduction starter, don't you? Those can get a bit "draggy".
#19235 of 19417
Re: Can someone explain this little phenomenon to me? [Mr_Shiftright] by andre1969
Nov 08, 2009 (7:53 am)
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Replying to: Mr_Shiftright (Nov 08, 2009 6:36 am)

The spark plug wires look good, but I guess looks can be deceiving I'm sure. I've put less than 2,000 miles on the car in the 2 1/2 years I've had it, and the previous owner let the car sit around a lot. He inherited it after his father died, and at one point, it only got driven something like 10 miles over the course of a year...and that was to take it to the repair shop for its annual inspection! So, probably not too many miles on those wires, but old age could be getting to them.
 
I did get new wires for it, but for some reason never got around to putting them on. Procrastination, I guess. Another thing I wondered about...even though the distributor cap is new-ish, I guess it's possible it could've had a defect in it, like a hairline crack or something? Can't that cause all sorts of odd, intermittent problems?
 
I'll try the silicon spray and see if that helps. And yeah, it does have a gear reduction starter. What is a battery tender? Just a little charger?
#19236 of 19417
Re: Can someone explain this little phenomenon to me? [andre1969] by Mr_Shiftright HOST
Nov 08, 2009 (8:05 am)
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Replying to: andre1969 (Nov 08, 2009 7:53 am)

It's a charger with a "brain" that maintains proper battery voltage as you need it.
#19237 of 19417
Re: Can someone explain this little phenomenon to me? [Mr_Shiftright] by lemko
Nov 08, 2009 (11:46 am)
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Replying to: Mr_Shiftright (Nov 08, 2009 6:36 am)

My 1989 Mercury Grand Marquis LS had a thick rubber cover on the distributor cap held in place by thick rubber tabs.
#19238 of 19417
Re: Can someone explain this little phenomenon to me? [lemko] by Mr_Shiftright HOST
Nov 08, 2009 (12:38 pm)
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Replying to: lemko (Nov 08, 2009 11:46 am)

yeah that was it exactly!! It was a little rubber overcoat that you buttoned up before you sent the car out on a rainy day. That was sooooo cute. I wish I had one for my car.
#19239 of 19417
Re: Can someone explain this little phenomenon to me? [andre1969] by srs_49
Nov 08, 2009 (2:44 pm)
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Replying to: andre1969 (Nov 08, 2009 6:03 am)

I thought I had mentioned this before, but maybe not.
 
My '73 Fiat 128 SL would need a new distributor cap and rotor every maybe 30,000 miles or so. I could tell when it was time to replace them because on some cold, damp morning the car would refuse to start. I would yank the cap, rotor, and plug wires and bake them in the oven for a half hour or so to dry them out. Then , the car would fire right up.
 
My theory is that the distributor cap or rotor would develop microscopic cracks that would allow moisture to collect, which would short out the spark.
 
Maybe it needed a distributor cap condom like those Mercedes Shifty mentioned.
#19240 of 19417
Re: Can someone explain this little phenomenon to me? [srs_49] by andre1969
Nov 08, 2009 (2:55 pm)
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Replying to: srs_49 (Nov 08, 2009 2:44 pm)

I think you have mentioned that story before, as it does sound familiar! If they made a distributor "condom" for a Chrysler product, I wonder if they'd call it a "Magnum"
 
Personally, I'd be tempted to just ditch the whole Lean burn system...distributor, carb, and all, and just go for the simple aftermarket Mopar Performance distributor setup. I'm not knowledgeable enough to do it myself though, and my mechanic said that it's so rare to find a car as nice and original as my '79 NYer, that he doesn't want to butcher it up like that. Personally I don't care how original it is, I just want the danged thing to start semi-reliably!
#19241 of 19417
Re: Can someone explain this little phenomenon to me? [lemko] by tjc78
Nov 08, 2009 (3:47 pm)
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Replying to: lemko (Nov 08, 2009 11:46 am)

I was cruising Ebay and by coincidence saw a nice clean 89 GM with a good shot of the engine. Figured I would post it because of the distributor cap cover discussion.
 
See more Car Pictures at CarSpace.com
#19242 of 19417
Re: Can someone explain this little phenomenon to me? [tjc78] by texases
Nov 08, 2009 (3:56 pm)
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Replying to: tjc78 (Nov 08, 2009 3:47 pm)

Isn't that a Ford?

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