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Plug wires & Plugs


RacerJJ

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I'm sure this is a :repost: but I can't seem to figure out that search function. :withstupid: Anyway, can anyone give me a part # on MSD wires for my 03 as well as which plugs to go with. I am getting multiple cylinder misfire codes from my PCM and Bryan advised me to check/change the plug wires. I figure while I am at it, I'll change the plugs too...probably need it with 41,000 miles on her! Thanks in advance!

 

:cheers:

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Yeah, I'm running MSD 8.5's. I recommend them.

 

I ran Taylor Thundervold 50's. They had some quality issues with them, and I had to junk'em.

 

The MSD's seem bullet-proof as far as plug wires go.

 

32823

32839

 

I think I'm running the 29's.

 

The problem is that the Taylors fit PERFECT, while the MSD's are a hair too long and require pairing two wires on each side of the engine together with zip-ties, to keep them away from danger. (AC drip pan, and steering shaft nut).

 

Plugs - I like NGK TR55's. Standard copper ones are fine... Platinum or iridium or whatever if you don't want to change them out in ~20K miles.

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If you're going to replace the wires, I suggest replacing them with OEM wires. You may want to test the old ones with a ohmmeter first. After all the research I did, I found aftermarket wires seemed to create more problems than they solved. As far as plugs, NGK seems to be the brand of choice.

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Regarding resistance... Just tossing this info out there...

 

2004 SS truck wires - 800ohms

 

2002 5.3 truck wires (Avalanche) - 400ohms

 

MSD8.5's, TV50's - ~25-40ohms (if I remember right -- either way, they were VERY low)

 

Anyone notice that the SS was listed as having "low resistance plug wires"? Who were they kidding?

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my search button works too :thumbs::D

 

 

As far as resistance goes, read something a while back that lower resistance is not everthing. Pretty sure I got 2k ohms on my Magnacor wires, FWIW.

 

Ha, Ha...very funny! :crackup: My search button works too, but I am not the most computer savvy guy on this site and I can't seem to find most of what I am searching for! Thanks for the input though. :thumbs:

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