Gee...I think I need new plug wires... - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 11-15-2005, 09:50 PM   #1
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Default Gee...I think I need new plug wires...

I was bored today and decided to check the plugs and wires in my new Bonne to make sure they were up to par...well the plugs were new...Bosch Platinums...prolly will be swapping those out for some good old regular plugs...The wires looked in decent shape, AC delco stockers...until I measured the resistance....heres what they measured out at....
Cylinder 1 = 1234 ohms
Cylinder 2 = 2980 ohms
Cylinder 3 = 2070 ohms
Cylinder 4 = 3240 ohms
Cylinder 5 = 1980 ohms
Cylinder 6 = 3050 ohms

I thik I will be pickin up a new set of wires tomorrow, lol...Im htinkin I'll prolly go with the Autolite professional series (as recommended here)...unless you got some better suggestions...and I'll prolly throw in some new plugs while im at it...just some regular plugs @ .06 gap...car is purely for gas mileage...no performance necessary
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Old 11-15-2005, 10:00 PM   #2
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Get some resistance readings on the new wires if you want, just curious to see.
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Old 11-15-2005, 10:05 PM   #3
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Aren't you supposed to replace any wire with a resistance of more than 30k ohms? Making yours just fine?
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Old 11-15-2005, 10:10 PM   #4
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Yeah, I think your wires are fine.
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Old 11-15-2005, 10:11 PM   #5
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I di a little resistance test at AZ the other week. About a 3ft wire for my 89 Formula...Our Valuecraft (Cheapies 1Yr Warranty) 4k Ohm...Our Duralast (Ultraspark LLT Warranty) 2.4k Ohm... and the Bosch (LLT Most expensive we stock) 400 Ohm. Quite a difference I was REALLY
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Old 11-15-2005, 10:34 PM   #6
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hmm....for some reason I was thinking that like 800 ohms was the norm...MSD says their wires are 40-50 ohms per foot, so maybe thats where I got confused....should there be that much variance tho? Maybe I will have to pull one of ym taylors off my truck and measure that....I was going to do it earlier, but it was pouring down rain and I didnt have any more garage space
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Old 11-15-2005, 10:36 PM   #7
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Holy crap, lol. I wonder if that resistance is about equal per foot on each wire though? I got a set of MSD 8.5mm super conductors on my car I highly doubt they are good for any hp but they sure look cool and they really do measure out to be 100-150ohms per foot. ( I had measured them b4 they went on the car lol )
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Old 11-15-2005, 11:39 PM   #8
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Quote:
Originally Posted by McGrath
Holy crap, lol. I wonder if that resistance is about equal per foot on each wire though? I got a set of MSD 8.5mm super conductors on my car I highly doubt they are good for any hp but they sure look cool and they really do measure out to be 100-150ohms per foot. ( I had measured them b4 they went on the car lol )
lol, i am a moron...didnt even think about that till you brought it up (its been a long day )...of course there will be variance...the #1 wire is a heck of alot shorter than the #6...well, i guess i am good for now with wires...woohoo...
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Old 11-16-2005, 12:45 AM   #9
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I think your numbers are fine.
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Old 11-16-2005, 08:40 AM   #10
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Corvettecrazy and others tested wires at NEBF. We had some readings that make me wonder about ohm testing wires.

Mortehl'* wires were old dry and basically had the properties of a tree branch. While others wires were new and in great shape. We also tested new out of the box wires.

Didn't find a huge difference in any of them.

After a plug and wire change Mortehl'* car ran fantastic or as good as his failing fuel pump would allow.
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