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What Are The Best Spark Plugs


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#1 jcolby

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Posted 30 April 2010 - 08:16 AM

I have a 2000 GMC Sierra 1500 with the 5.3 liter with 140,000. I'm getting ready to swap out the plugs and wires. Not sure what the best plugs are for my application. Not necessarily the best performance plugs, just the most efficient and reliable. Any thoughts.

#2 jro909

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Posted 30 April 2010 - 12:01 PM

ac delco man...stay stock as far as gm parts
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#3 bossier62guy

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Posted 30 April 2010 - 01:52 PM

I have a 2000 GMC Sierra 1500 with the 5.3 liter with 140,000. I'm getting ready to swap out the plugs and wires. Not sure what the best plugs are for my application. Not necessarily the best performance plugs, just the most efficient and reliable. Any thoughts.


Don't listen to the AC Delco hype....mine came from the factory w/ Denso plugs....I'm now running NGK TR5's.

#4 jcolby

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Posted 30 April 2010 - 04:05 PM

It's hard to know what is the best for the vehicle. I know NGK make a good spark plug. Are the TR5's running alright in your truck?

#5 bossier62guy

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Posted 30 April 2010 - 04:26 PM

It's hard to know what is the best for the vehicle. I know NGK make a good spark plug. Are the TR5's running alright in your truck?


Running just fine and the price is right....I prefer to change them more often so I choose to go w/ regular ole copper core plugs.

#6 NickV

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Posted 13 May 2010 - 08:02 AM

I have a 2000 GMC Sierra 1500 with the 5.3 liter with 140,000. I'm getting ready to swap out the plugs and wires. Not sure what the best plugs are for my application. Not necessarily the best performance plugs, just the most efficient and reliable. Any thoughts.


Don't listen to the AC Delco hype....mine came from the factory w/ Denso plugs....I'm now running NGK TR5's.

hey dummy, the current plugs installed from the factory have AC Delco on one side and NGK on the other.... IT'S THE SAME PLUG! You bought in to it and are recommending the same product lol

WARNING: Above advice is based on actual experience or just plain common sense. In the event said advise is determined to be incorrect you are entitled to a full refund of exactly what you paid for it.

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#7 bossier62guy

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Posted 13 May 2010 - 08:04 AM

I have a 2000 GMC Sierra 1500 with the 5.3 liter with 140,000. I'm getting ready to swap out the plugs and wires. Not sure what the best plugs are for my application. Not necessarily the best performance plugs, just the most efficient and reliable. Any thoughts.


Don't listen to the AC Delco hype....mine came from the factory w/ Denso plugs....I'm now running NGK TR5's.

hey dummy, the current plugs installed from the factory have AC Delco on one side and NGK on the other.... IT'S THE SAME PLUG! You bought in to it and are recommending the same product lol


Hey dipshit....you obviously can't read or you're just plain ole stupid....now STFU!!!

Edited by bossier62guy, 13 May 2010 - 08:20 AM.


#8 NickV

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Posted 13 May 2010 - 02:30 PM

I have a 2000 GMC Sierra 1500 with the 5.3 liter with 140,000. I'm getting ready to swap out the plugs and wires. Not sure what the best plugs are for my application. Not necessarily the best performance plugs, just the most efficient and reliable. Any thoughts.


Don't listen to the AC Delco hype....mine came from the factory w/ Denso plugs....I'm now running NGK TR5's.

hey dummy, the current plugs installed from the factory have AC Delco on one side and NGK on the other.... IT'S THE SAME PLUG! You bought in to it and are recommending the same product lol


Hey dipshit....you obviously can't read or you're just plain ole stupid....now STFU!!!

thanks for proving yourself retarded lol

WARNING: Above advice is based on actual experience or just plain common sense. In the event said advise is determined to be incorrect you are entitled to a full refund of exactly what you paid for it.

2009 Sierra SLT CCSB 5.3/A6 Z71 4X4 HID | Weathertech | Truxedo Lo Pro QT | Passport 8500 | Underhood Storage | HP Tuners | Sprayed Bed Liner | Window Tint | CK951 wheels w/ Nitto Terra Grapplers | Painted Tailgate handle | Full 2" Altitude Adjustment
2003 Silverado LS ECSB 4.8/A4 2WD SOLD HID low/fog | Gibson Shorty Headers | Corsa Touring | Passport 8500 | Sprayed Liner | Billet Grille | HP Tuners | Eaton LSD | 3.73 Gear Swap | Esky Handles | Electric Fans | Center Console Swap | MTX Audio | Denali Cluster


#9 bossier62guy

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Posted 13 May 2010 - 02:40 PM

I have a 2000 GMC Sierra 1500 with the 5.3 liter with 140,000. I'm getting ready to swap out the plugs and wires. Not sure what the best plugs are for my application. Not necessarily the best performance plugs, just the most efficient and reliable. Any thoughts.


Don't listen to the AC Delco hype....mine came from the factory w/ Denso plugs....I'm now running NGK TR5's.

hey dummy, the current plugs installed from the factory have AC Delco on one side and NGK on the other.... IT'S THE SAME PLUG! You bought in to it and are recommending the same product lol


Hey dipshit....you obviously can't read or you're just plain ole stupid....now STFU!!!

thanks for proving yourself retarded lol


You are one stupid SOB aren't you.....

#10 Wingnut

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Posted 13 May 2010 - 03:10 PM

That's enough guys. No more names or you're both going to surf somewhere else for a few days.



OP...If your stock plugs were satisfactory for the first 140,000 miles, I'd say put a new set of the same thing in there.
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#11 Z'06

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Posted 13 May 2010 - 04:38 PM

NGK TR55 for N/A
NGK TR6 for supercharged

Edited by Z'06, 13 May 2010 - 05:30 PM.

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#12 oldschool327

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Posted 13 May 2010 - 05:03 PM

E3's have been good to me so far...
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#13 Rampage1

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Posted 13 May 2010 - 10:01 PM

That's enough guys. No more names or you're both going to surf somewhere else for a few days.



OP...If your stock plugs were satisfactory for the first 140,000 miles, I'd say put a new set of the same thing in there.

I have to agree with you on that one. I just changed the original plugs on a 2000 5.3 with 160,000 km's. The older plugs were working excellent, and were so worn the gap was 20,000 over on one plug. I replaced them with NGK platinums and new plug wires. And now I have the same if not LESS power? Cant figure out why.I checked the NGKS that I installed and they were clean and burning good.

#14 az'03Silverado

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Posted 30 September 2010 - 09:30 PM

I'm with Wingnut on this. If the stockers did well for so long, go with them.
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#15 tanked_darren

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Posted 01 October 2010 - 12:30 AM

I have a 2000 GMC Sierra 1500 with the 5.3 liter with 140,000. I'm getting ready to swap out the plugs and wires. Not sure what the best plugs are for my application. Not necessarily the best performance plugs, just the most efficient and reliable. Any thoughts.


Don't listen to the AC Delco hype....mine came from the factory w/ Denso plugs....I'm now running NGK TR5's.

hey dummy, the current plugs installed from the factory have AC Delco on one side and NGK on the other.... IT'S THE SAME PLUG! You bought in to it and are recommending the same product lol


Hey dipshit....you obviously can't read or you're just plain ole stupid....now STFU!!!

thanks for proving yourself retarded lol


You are one stupid SOB aren't you.....


How is he stupid your recommending only half a spark plug :lol:
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