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Plug wires replacement interval #5125000
06/04/19 11:13 AM
06/04/19 11:13 AM
Joined: Jan 2008
Posts: 244
New Mexico
zmelli Offline OP
zmelli  Offline OP

Joined: Jan 2008
Posts: 244
New Mexico
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 11:16 AM
06/04/19 11:16 AM
Joined: Oct 2014
Posts: 1,520
NoVA
Jimzz Offline
Jimzz  Offline

Joined: Oct 2014
Posts: 1,520
NoVA
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 11:17 AM
06/04/19 11:17 AM
Joined: Mar 2008
Posts: 8,490
USA
slacktide_bitog Offline
slacktide_bitog  Offline

Joined: Mar 2008
Posts: 8,490
USA
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 11:18 AM
06/04/19 11:18 AM
Joined: Feb 2006
Posts: 2,763
Cincinnati
Chris Meutsch Offline
Chris Meutsch  Offline

Joined: Feb 2006
Posts: 2,763
Cincinnati
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, 273k
Re: Plug wires replacement interval [Re: zmelli] #5125016
06/04/19 11:31 AM
06/04/19 11:31 AM
Joined: May 2019
Posts: 23
Inside a Mori Seiki
KenshinHimura Offline
KenshinHimura  Offline

Joined: May 2019
Posts: 23
Inside a Mori Seiki
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 Silver Can Of Trico filter

2019 Hyundai Veloster Turbo Whatever 5w30 synthetic the dealer uses OEM filter
Re: Plug wires replacement interval [Re: zmelli] #5125031
06/04/19 11:46 AM
06/04/19 11:46 AM
Joined: Aug 2010
Posts: 6,551
Champlain/Hudson Valley
Kira Offline
Kira  Offline

Joined: Aug 2010
Posts: 6,551
Champlain/Hudson Valley
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 12:13 PM
06/04/19 12:13 PM
Joined: Dec 2002
Posts: 1,733
North Carolina
Rat407 Online content
Rat407  Online Content

Joined: Dec 2002
Posts: 1,733
North Carolina
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 12:14 PM
06/04/19 12:14 PM
Joined: Sep 2014
Posts: 1,676
Toronto Canada
WobblyElvis Offline
WobblyElvis  Offline

Joined: Sep 2014
Posts: 1,676
Toronto Canada
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 12:22 PM
06/04/19 12:22 PM
Joined: May 2019
Posts: 734
WA
Mad_Hatter Offline
Mad_Hatter  Offline

Joined: May 2019
Posts: 734
WA
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 12:26 PM.
Re: Plug wires replacement interval [Re: Kira] #5125054
06/04/19 12:22 PM
06/04/19 12:22 PM
Joined: Jan 2004
Posts: 5,365
California
nthach Offline
nthach  Offline

Joined: Jan 2004
Posts: 5,365
California
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 12:24 PM
06/04/19 12:24 PM
Joined: Nov 2006
Posts: 22,014
MA, Mittelfranken.de
Trav Offline
Trav  Offline

Joined: Nov 2006
Posts: 22,014
MA, Mittelfranken.de
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 12:26 PM
06/04/19 12:26 PM
Joined: Sep 2015
Posts: 1,942
USA
mk378 Offline
mk378  Offline

Joined: Sep 2015
Posts: 1,942
USA
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 12:47 PM
06/04/19 12:47 PM
Joined: Dec 2017
Posts: 2,338
CO
JLTD Offline
JLTD  Offline

Joined: Dec 2017
Posts: 2,338
CO
23 years? It's time.

You may notice it runs smoother...


I use the overseas manual to choose my oil viscosity.

Using AMSOIL

Hers: 2008 Jeep Liberty 149k, SS5w30/Amsoil

His: 2015 4Runner 55k, SS 5w20/Amsoil

Re: Plug wires replacement interval [Re: zmelli] #5125128
06/04/19 01:46 PM
06/04/19 01:46 PM
Joined: Jan 2010
Posts: 1,695
Los Gatos, CA
JeffKeryk Online content
JeffKeryk  Online Content

Joined: Jan 2010
Posts: 1,695
Los Gatos, CA
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 01:46 PM.

2018 Tesla Model 3, Medium Range Battery
2018 Lexus RX450h
2013 Lexus GS350 F Sport
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 01:55 PM
06/04/19 01:55 PM
Joined: Jan 2008
Posts: 244
New Mexico
zmelli Offline OP
zmelli  Offline OP

Joined: Jan 2008
Posts: 244
New Mexico
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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