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Plug wires replacement interval #5125000 06/04/19 10:13 AM
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zmelli Offline OP
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I own a 1996 Acura Integra with the B18 non-vtec engine. 130K miles runs perfect. Original plug wires. I was thinking about changing the wires but don't want to waste money. On the other hand, I like to replace things before they fail. Any thoughts on this?


06 Acura TSX 6-Speed/GC 0W40/OEM Acura Filters
91 Honda Accord/Castrol 0W40/Micro T7316
93 Honda Accord 0W-40Edge/Micro T7316
96 Acura Integra SE

Re: Plug wires replacement interval [Re: zmelli] #5125003 06/04/19 10:16 AM
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Jimzz Offline
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They use to be done every 100k. But the last several generations I have seen then go 150-200k without major issue.

I would change them the next time you do the timing belt/spark plugs unless its running poorly.


yup
Re: Plug wires replacement interval [Re: zmelli] #5125004 06/04/19 10:17 AM
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slacktide_bitog Offline
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You might as well replace them. Usually you replace the plugs and wires at the same time smile

NGK makes a good set of wires. They are numbered and come in a nice blue color smile

Just be glad you have the 96+ non-VTEC with the PCV valve on the valve cover. The pre-96, and all years for the VTEC, have the PCV valve behind the engine and it's hard to get to mad

Re: Plug wires replacement interval [Re: zmelli] #5125005 06/04/19 10:18 AM
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Chris Meutsch Offline
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A set of Denso wires is $29 on Rockauto. After 23 years, I'd change them and the distributor/rotor also.


2005 Honda CR-V EX, 278k
Re: Plug wires replacement interval [Re: zmelli] #5125016 06/04/19 10:31 AM
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KenshinHimura Offline
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The ones on my Eclipse I replaced this year due to the OEMs (made in 1996) were dry rotting


1997 Mitsubishi Eclipse Spyder Penzoil Plat 5w30 A Purple colored filter

2019 Hyundai Veloster Turbo QS 5W-30 OEM filter
Re: Plug wires replacement interval [Re: zmelli] #5125031 06/04/19 10:46 AM
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Kira Offline
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Caveat: Just because a set of wires is clad in nice, new silicone compound rubber doesn't mean the inwards are quality.
Buy quality (you know that, just sayin')

Have you done the "Open the hood on a moist night with the engine running" test to check for dancing sparks?

Does it make sense to measure the resistance?

Can "wire wires" be used or are they all carbon impregnated rope for RF suppression? The old aircraft mechanic next door would only use wire wires.

Re: Plug wires replacement interval [Re: zmelli] #5125045 06/04/19 11:13 AM
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Rat407 Offline
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A friend has 369k miles one the original plug wires on his 2004 suburban. Still runs great.

To me no need to change them unless you need to. Not like they will all go bad at once. Mainly you will have an issue with one cylinder and so when that occurs you can then just do the entire set.

Otherwise if you have the cash and can do it yourself and it makes you fee.l better then change them out now.


2002 Silverado 5.3 0w-20 AMSOIL
Re: Plug wires replacement interval [Re: zmelli] #5125046 06/04/19 11:14 AM
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WobblyElvis Offline
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I haven't changed plug wires in 20- 30 years. They seem to last forever. I carry a roll of electrical tape so I can repair a wire if I see a spark jumping to ground. If you have a cap and rotor they are more likely to cause problems. IMO.

Re: Plug wires replacement interval [Re: Rat407] #5125053 06/04/19 11:22 AM
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Mad_Hatter Offline
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Originally Posted by Rat407
A friend has 369k miles one the original plug wires on his 2004 suburban. Still runs great.


That was my dilemma recently. I had 150k on the original CoP's, no ignition problems whatsoever. The OE's are Denso. I had to pull the plenum off to do the plugs (a 2hr job), so I decided to just put new CoP's on since I was already there. I checked around in a users group and called the dealership to see if I could get some consensus on longevity - none. They could easily go another 150k or they could go tomorrow.

Even with s/h charges RA had the best prices on the OE's..

Last edited by Mad_Hatter; 06/04/19 11:26 AM.
Re: Plug wires replacement interval [Re: Kira] #5125054 06/04/19 11:22 AM
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nthach Offline
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Originally Posted by Kira
Caveat: Just because a set of wires is clad in nice, new silicone compound rubber doesn't mean the inwards are quality.
Buy quality (you know that, just sayin')

Have you done the "Open the hood on a moist night with the engine running" test to check for dancing sparks?

++

I've been disappointed in Denso wires, they are not made by Denso themselves - they aren't getting them from Seiwa or one of the Japanese plug wire suppliers(or even Prestolite). Bosch disappoints me as well, even where they are OEM. It seems like getting wires at the dealer or using NGK/Motorcraft/Delco(if your car has them available) is the only way to get good wires.

The open hood on a dark night/garage test seems to work pretty well to diagnose wires besides feel and looks. You will need a megger to test the insulation otherwise.

Re: Plug wires replacement interval [Re: Kira] #5125056 06/04/19 11:24 AM
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Trav Offline
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Originally Posted by Kira
Caveat: Just because a set of wires is clad in nice, new silicone compound rubber doesn't mean the inwards are quality.
Buy quality (you know that, just sayin')

Have you done the "Open the hood on a moist night with the engine running" test to check for dancing sparks?

Does it make sense to measure the resistance?

Can "wire wires" be used or are they all carbon impregnated rope for RF suppression? The old aircraft mechanic next door would only use wire wires.



When McDonalds first opened their drive up windows I was driving a big block Chevelle SS with metallic core wires, it drove their equipment crazy. LOL


ASE L1, Master. Deutsch Meisterbrief.
Re: Plug wires replacement interval [Re: zmelli] #5125058 06/04/19 11:26 AM
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mk378 Offline
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If you did experience misfiring, those 20 year old wires would be the first thing to suspect. But if running OK you could see how much longer they'll go(*). Visual inspection of wires or ohm tests won't always show when they are bad.

(*) Though you don't want to get in a situation where you end up in a time crunch buying a set of lousy wires from a chain parts store and having them fail in a year or less.

Re: Plug wires replacement interval [Re: zmelli] #5125081 06/04/19 11:47 AM
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JLTD Offline
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23 years? It's time.

You may notice it runs smoother...


I use the overseas manual to choose my viscosity.

Using AMSOIL

Hers: 2008 Jeep Liberty 154k, SS 5w30/Amsoil

His: 2015 4Runner 60k, SS 5w20/Amsoil

Re: Plug wires replacement interval [Re: zmelli] #5125128 06/04/19 12:46 PM
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JeffKeryk Offline
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Acura wires would be best, but are pricey.
I have used NGK on Honda engines with great results.
Don't forget a little dielectric grease....
Amazon is your friend.

Last edited by JeffKeryk; 06/04/19 12:46 PM.

2018 Tesla Model 3, Medium Range Battery
2018 Lexus RX450h
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2006 Acura TSX
2001 Tundra Access Cab, 1998 Accord LX, 1968 Corvette L36 Roadster, 1965 Olds 4-4-2
Re: Plug wires replacement interval [Re: zmelli] #5125139 06/04/19 12:55 PM
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zmelli Offline OP
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I went ahead and ordered NGK RC-HE82 from AMAZON Warehouse deals for $23! I think the RC P/N made be the Made in Japan wires. There are two P/Ns for these HE82 and the RC-HE82 not sure of the difference. Maybe where they are made? Got to love Warehouse deals for deep discounts on parts for older Cars.


06 Acura TSX 6-Speed/GC 0W40/OEM Acura Filters
91 Honda Accord/Castrol 0W40/Micro T7316
93 Honda Accord 0W-40Edge/Micro T7316
96 Acura Integra SE

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