What 170,000 miles does to stock plugs - Mustang Evolution

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Old 09-15-2012, 08:54 PM   #1
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What 170,000 miles does to stock plugs

Wana see what stock plugs look like after 170,000 miles? lol
I knew the previous owner didn't care, but dang.
I bought some bosch platinum plus plugs from jegs at like 2.99 a piece and put them in yesterday.
I was shocked at what I took out.

Two of the plugs insides broke off just by pulling the plug wires off the spark plug. The others were worn down to nubs. LOL

They're supposed to have around .050 to .056 and they were reading between .105 and .095

Runs a little better now. hehe
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Old 09-15-2012, 09:45 PM   #2
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Oh gosh! Lol freakin surprised it ran at all! You could fit your finger in that gap!
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Old 09-15-2012, 09:47 PM   #3
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Ooooo, that's gap-olicious.
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Old 09-15-2012, 09:50 PM   #4
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Re: What 170,000 miles does to stock plugs

wow...i don't think ive ever let a car go 30k without a plug swap
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Old 09-15-2012, 10:14 PM   #5
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Quote:
Originally Posted by Mike SVOR
Wana see what stock plugs look like after 170,000 miles? lol
I knew the previous owner didn't care, but dang.
I bought some bosch platinum plus plugs from jegs at like 2.99 a piece and put them in yesterday.
I was shocked at what I took out.

Two of the plugs insides broke off just by pulling the plug wires off the spark plug. The others were worn down to nubs. LOL

They're supposed to have around .050 to .056 and they were reading between .105 and .095

Runs a little better now. hehe
All I can say is damnnnn lol...glad you got them changed out!! I'm surprised the car was even driving when you got it
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Old 09-17-2012, 07:58 AM   #6
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Re: What 170,000 miles does to stock plugs

Haha! I had the same experience! I took em out and I was like "WOW!"... So I bought all new ones and put them in right away..
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Old 09-17-2012, 08:43 AM   #7
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Quote:
Originally Posted by 1slosix
wow...i don't think ive ever let a car go 30k without a plug swap
Agreed! I generally go 10-15k. In the past I'd change them every two oil changes.. AutoLite 25's are cheap lol
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Old 09-17-2012, 10:13 AM   #8
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You wasted your money on the platinums...otherwise it was definitely overdue
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Old 09-17-2012, 01:42 PM   #9
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Re: What 170,000 miles does to stock plugs

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You wasted your money on the platinums...
I don't agree with you there.
The platinum plugs are designed with a tapered porcelain cone with a needle sized platinum electrode. This allows the combustion mixture to better engulf the electrode from both sides, unlike copper equivalent plugs can.
The ground electrode is shaped into a 'V' configuration allowing the spark to venture outside of the center ground point.

They're similar to how the accel 'U' groove plugs work.
They were within 20 cents a piece from standard copper. I think accel U groove plugs would've been more than these, but didn't price them.

They're worth it IMHO
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Old 09-17-2012, 04:35 PM   #10
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Lol ok... I'll keep running 17# of boost on my copper plugs and let you think your na setup needs platinums.

Autolite coppers in all but the cobra. Ngk coppers for a colder plug in the cobra.
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Old 09-17-2012, 04:47 PM   #11
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Re: What 170,000 miles does to stock plugs

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Originally Posted by lowflyn View Post
Lol ok... I'll keep running 17# of boost on my copper plugs and let you think your na setup needs platinums.
Lol ok... and I'll keep running 28# of boost on my copper plugs and let you keep talking about how platinums are the terribles on NA motors.

I seriously don't understand the mentality here.

Platinum plugs are FACTORY FRIGGIN EQUIPMENT. I just replaced them with whats supposed to be in there. The pic I posted of the Factory Plug EVEN SHOWS "PLATINUM" WRITTEN ON IT!!!!!11114


P.S.
I run more boost than you. That makes your argument moot.
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Old 09-17-2012, 08:40 PM   #12
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Quote:
Originally Posted by Mike SVOR

Lol ok... and I'll keep running 28# of boost on my copper plugs and let you keep talking about how platinums are the terribles on NA motors.

I seriously don't understand the mentality here.

Platinum plugs are FACTORY FRIGGIN EQUIPMENT. I just replaced them with whats supposed to be in there. The pic I posted of the Factory Plug EVEN SHOWS "PLATINUM" WRITTEN ON IT!!!!!11114

P.S.
I run more boost than you. That makes your argument moot.
I don't run any boost. GOML
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Old 09-18-2012, 10:01 AM   #13
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Re: What 170,000 miles does to stock plugs

Well subject change lol

How much power are you making out of the ole 2.3
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Old 09-18-2012, 10:07 AM   #14
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Originally Posted by davidcseifert
Well subject change lol

How much power are you making out of the ole 2.3
Lol David
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