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1967 - 1972 F-100 & Larger F-Series Trucks Discuss the Bumpsides Ford Truck

spark plug wires

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Old Dec 26, 2003 | 09:51 PM
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From: Oceanway
spark plug wires

i hear the heavier the wire the better the spark. but does it matter what year motor you have is to what type of wire you get?
i was lookin for some on ebay and some say that they wont fit my YEAR 302. is it correct, and will any 302 plug wire fit on any 302?
 
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Old Dec 26, 2003 | 10:17 PM
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That's right larger wires will not fit our 302's with the small distributor cap (7mm wires). But you can convert the small distributor cap to a large one that will accept 8 mm wires.

See the article on FTE - https://www.ford-trucks.com/articles/largecap.php
 
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Old Dec 26, 2003 | 10:26 PM
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well, i took my 7mm off today and found they had dryrotted, can i just buy 8mm and slap them on there?????? and dont want to have to go through all that trouble
 
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Old Dec 26, 2003 | 10:37 PM
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Jake, I was looking for the thread I saw yesterday that mentioned that 8mm wires would not fit the small distributor. But now I can not locate that thread. I think Torgue 1st was the member who said 8mm would not fit.

I have made my own custom wires in the past.
 
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Old Dec 26, 2003 | 11:00 PM
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well, i find some nice 8mm on ebay and i just wanted to put them on there without any additional work. if i get um, then i can probably get them to fit
 
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Old Dec 27, 2003 | 08:04 PM
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so do yall think i can make um fit without doing any additional work, and have any of yall ever did this?
 
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Old Dec 29, 2003 | 05:24 AM
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i thought i saw a kit somewhere that you got the cap and spacer all in one, anyone seen those ?
 
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Old Dec 29, 2003 | 09:31 AM
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I've done this conversion twice now. I went to Advance Auto, they had the wide cap on the rack right behind the counter. The spacer they had to go to the back to get. Just ask for a cap and spacer from a 85 Mustang - get the tall rotor as well.

I saw that someone on ebay had the cap and spacer listed for something like 28 bucks - I thought that was a little high.
 
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Old Dec 29, 2003 | 04:13 PM
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From: iowa
is the tall rotor also for a 85 mustang ? do i have to tell them engine size or anything ? do you have a part number thanks
 
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Old Dec 29, 2003 | 11:31 PM
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From: Oceanway
so i caint just slap um on there?? about how much was the kit at discount?
 
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Old Dec 31, 2003 | 09:37 AM
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I'm afraid I don't have any part numbers - I told them I wanted the parts for an 85 Mustang - 351, I think.

The 8MM wires will not fit the stock distributor cap. The wide cap has male connectors and the correct wires have a female boot. The stock distributor has female connection points. Trying to put the 8MM wires on a stock cap will end up with a female to female connection. << insert your own joke here >>
 
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Old Dec 31, 2003 | 04:15 PM
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From: Oceanway
but some 8mm wires i can get a male connector, will that work???
i plan on going to the junk yard friday and maybe will find some 7mm instead
 
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Old Dec 31, 2003 | 08:32 PM
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I suppose you could always try the male 8MMs and see - let us know if it works.

I know that some folks put a tuneup (plugs, wires, etc) on an old car in a last ditch effort to keep it on the road, just before they send it to the junkyard - but I would not trust plug wires from a junkyard. I would rather pay for the peace of mind new wires bring - but that's just my opinion. Your mileage may differ
 
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Old Jan 1, 2004 | 06:00 PM
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From: Oceanway
well, my dad has known the guy at the junk yard for a long time, and plus we dont have to pay for them so, we have nothing to lose. i hope
 
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Old Jan 1, 2004 | 07:48 PM
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Hey, free is always worth a try!
 
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