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#1 |
Registered User
![]() Join Date: Feb 2011
Location: North Texas
Posts: 118
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Swollen spark plug wires
Anyone ever seen anything like this; see pic?
Ordered the Petronix custom fit plug wires and here is what I get after 250 miles. Most of the wires are starting to do this close to the spark plug end. I am running the factory distributor with a Crane electronic ignition conversion on a 402. Wanted to keep engine compartment stock appearing and hate making plug wires...any ideas of the cause or wire recommendations appreciated. Thanks in advance.
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Jeff Horsman 1972 C20 Highlander "C" 1966 Olds 442 L69 four speed 1971 Skylark (GS clone racecar) 494 stroker 1986 Buick T-Type |
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#2 |
Hittin E-Z Street on Mud Tires
![]() Join Date: Nov 2004
Location: Greenville, SC
Posts: 23,090
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Re: Swollen spark plug wires
No, never...
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Jesse James 1967 C10 SWB Stepside: 350/700R4/3.73 1965 Ford Mustang: 289/T5-5spd/3.25 Trac-Loc 1968 Pontiac Firebird: Project Fire Chicken! 2015 Silverado Double Cab 5.3L Z71 2001 Jeep Wrangler Sport 4.0L 5spd 2020 Chevrolet Equinox Premium 2.0L Turbo 2011 Mustang V6 ~ Wife's ride ![]() American Born, Country by the Grace of God ![]() 1967 CST Shop Truck Rebuild! My 1967 C-10 Build Thread My Vintage Air A/C Install Project "On a Dime" Trying my hand at Home Renovation! 1965 Mustang Modifications! |
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#3 |
Registered User
Join Date: Jun 2010
Location: Upland Ca
Posts: 4,143
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Re: Swollen spark plug wires
Call Petronix.
Posted via Mobile Device
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1972 C10 SWB, Air, PS, PB, 350/350THM. Second owner. 1965 Corvette roadster, 44K miles, 327/365 SHP, 4 speed, side exhaust, knockoffs, teak, second owner (bought in 1970), Have ALL numbers matching components. My frame off restoration thread: http://67-72chevytrucks.com/vboard/s...d.php?t=556703 |
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#4 |
Registered User
Join Date: Jan 2000
Location: Wyoming USA
Posts: 2,445
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Re: Swollen spark plug wires
MSD or Taylor wires for me
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2001 Silverado K-1500 2005 FXDWG stage3 69 CHEVY Short/Step 327/4L60 373 posi 63 IMPALA 327 |
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#5 |
So,, what else you got???
![]() Join Date: May 2010
Location: Jackson, Mo
Posts: 18,637
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Re: Swollen spark plug wires
Low quality silicone compound in the sleeving. I have heard that could happen but yours is the first I have ever seen...
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#6 |
Senior Member
![]() Join Date: Jan 2001
Location: Orem, Utah
Posts: 7,922
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Re: Swollen spark plug wires
Having pictures is good documentation. I'd contact the manufacturer - looks like a manufacturing defect to me.
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#7 |
Registered User
Join Date: Sep 2012
Location: Queen Creek, AZ
Posts: 551
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Re: Swollen spark plug wires
If NEVER seen anything like that before. Wow. MSD for me and never had any problems. Call the manufacturer and obviously stop drivin the truck until u swap them out.
Weev- Posted via Mobile Device
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Weev- Life's tough...... It's even tougher when your stupid - John Wayne |
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#8 |
I am a Referee of life.
Join Date: Jun 2000
Location: Greensboro N.C.
Posts: 13,993
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Re: Swollen spark plug wires
Never seen it on new wires.I have seen it on old oil/gas/solvent soaked wires.
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The 47-present Chevrolet and GMC Truck Message Board Network,it's owners,moderators,members,and associates of any type should not be held responsible for my opinion. You can't fix stupid,not even with duct tape. "My appearance is due to the fact that "GOD" does punish you for having too much fun!" Barrett-Jackson has perfected alchemy,they make rust into gold! "You can lead a horse to water but you can't saddle a duck" "Cleverly disguised as a 'Responsible Adult' "Sometimes your Knight in shining armor is just a retard in tinfoil" |
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#9 |
Senior Member
![]() Join Date: Feb 2001
Location: New Madison, Ohio
Posts: 21,365
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Re: Swollen spark plug wires
Is this a new type od wires for Pertronics or have these been out a while?
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A husband can be right...or...A husband can be happy. ![]() 67-72 Chevy and GMC Trucks...The Classic Truck for the Classic Folk. ![]() 1970 CST Two tone green, 402BB, 400 Automatic, Tach, Buckets, AC, AM-FM, Tilt, GM CB, GM 8 Tract, LWB, etc ![]() ![]() JOHN 17:3...The better side of "LIFE" Remember: Everyday is a good day...Some are just gooder! |
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#10 |
Registered User
![]() Join Date: Aug 2008
Location: New Orleans Louisiana.....a great place to visit but you wouldn't want to live here!!!
Posts: 883
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Re: Swollen spark plug wires
Are they the stock style 7mm wires? If so i put a set on my car a few weeks back and have around four hundred mile on them....i will have a close look tomorrow!
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Down......with the sickness!! |
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#11 |
Registered User
![]() Join Date: Feb 2011
Location: North Texas
Posts: 118
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Re: Swollen spark plug wires
I sent the manufacturer the pics, they had never seen it before either. New set on the way once I remove the old ones and send them back. Hopefully just a bad set of wires.
Bizarre for sure?
__________________
Jeff Horsman 1972 C20 Highlander "C" 1966 Olds 442 L69 four speed 1971 Skylark (GS clone racecar) 494 stroker 1986 Buick T-Type |
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#12 |
Registered User
![]() Join Date: Feb 2011
Location: North Texas
Posts: 118
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Re: Swollen spark plug wires
These are the stock appearing precut length 7MM wires they offer.
__________________
Jeff Horsman 1972 C20 Highlander "C" 1966 Olds 442 L69 four speed 1971 Skylark (GS clone racecar) 494 stroker 1986 Buick T-Type |
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#13 |
Senior Member
![]() Join Date: Feb 2002
Location: Tucson, AZ USA
Posts: 7,283
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Re: Swollen spark plug wires
You might think about hi-temp woven "sox" around your plug wires if they're real close to the manifold.
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Every 25 years I like to rebuild that 292, whether it needs it or not. |
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