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Thread: New plugs
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10-27-2009, 08:22 AM #1
- Join Date
- Oct 2008
- Location
- Miami, Fla
- Posts
- 200
Spiral Gray- 2004 Auto Corvette
New plugs
Hello everyone. I need advice on plugs. Should I go with the NGK regular plugs or the platinum ones. The car still has the factory ones with 92,000 miles. The tr5 or tr6. I live in south fla its always hot out. Its 88 degrees as I write this. Thanks. The car is stock except a lid.
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10-27-2009, 11:44 AM #2
TR5-GP plugs are good. might as well get some new wires while you are at it.
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10-27-2009, 12:10 PM #3
- Join Date
- Oct 2008
- Location
- Miami, Fla
- Posts
- 200
Spiral Gray- 2004 Auto Corvette
ok, are the Autolite wires any good they are 42.00 dollars. I dont race.
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10-27-2009, 01:43 PM #4
can't be mad at autolite.. it's not about racing tho... ita about getting the most spark and energy to your plugs. I used the MSD 8.5mm super conductors. they are pretty comparable in price. it's personal preference tho. good luck.
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10-27-2009, 05:27 PM #5
Use the NGK TR-55. Part #3941 I believe. If you want to spend a buttload more you can use the TR-55 IX irridium ones.
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10-27-2009, 06:47 PM #6
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- Aug 2005
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- Thornton, CO
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- 23,773
Red Tint Jewelcoat- 2008 Trailblazer SS
I would stick with the stock wires unless one has a problem. Then go MSD if one needs replaced.
As for plugs, I run NGK TR55's or AutoLite AR103's in mine.2008 Trailblazer SS
Yank PTB3600, Kooks 1 7/8" LT's, 4" intake, E-fans, Magnaflow, Sonnax kit, tranny cooler, tune.
Lowered, HID's, tinted.
1999 Pontiac Trans Am WS.6 #1747 SOLD
531.1 RWHP 481.3 FT/Pounds all motor.
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10-27-2009, 06:48 PM #7
I run NGK TR55 plugs and MSD wires.....no problems so far
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10-27-2009, 06:51 PM #8
Factory iridiums(sp) and factory wires..
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10-27-2009, 07:59 PM #9
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10-28-2009, 06:26 AM #10
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10-28-2009, 06:46 AM #11
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10-28-2009, 09:28 AM #12
- Join Date
- May 2009
- Location
- Indiana
- Posts
- 335
2009 Silverado Z71- 2003 Corvette MN6 Black
I don't know if you can 5th a Statement, but I run the exact same combo as well
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10-28-2009, 09:38 AM #13
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10-28-2009, 04:37 PM #14
- Join Date
- Nov 2006
- Location
- Broken Arrow, OK
- Age
- 49
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- 23,345
Pewter metallic- 2000 Camaro SS
MSDs and TR55s are well represented with lots of success here
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10-29-2009, 04:07 AM #15
factory iridiums and msd wires for me
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10-29-2009, 06:38 AM #16
my tuner told me to run tr6 cuz it a step colder, and it would be better than my delco iridiums witch runt too hot and cauze detonation
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10-29-2009, 06:54 AM #17
- Join Date
- Aug 2001
- Location
- San Diego, CA
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- 8,051
383 w/Meth & ProCharger- 2001 Camaro Z28
Yes tr-6 is a step colder but unless you're running FI or nitrous....it's not working to your advantage. Perhaps use a tr-55 and a slightly wider gap than factory setting. What reason would your tuner want to run a colder plug anyways? Never heard of that on a stock motor.
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10-29-2009, 08:02 AM #18
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10-29-2009, 08:12 AM #19
- Join Date
- Aug 2001
- Location
- San Diego, CA
- Posts
- 8,051
383 w/Meth & ProCharger- 2001 Camaro Z28
I've never heard that before. Plugs are built to specific heat ranges...the tr55 is built to same spec as factory. A motor doesn't control how hot or cold the spark is...that's from the content of the plug combined with the electrical supplied current. But as you mentioned...using a different brand plug may work better for your motor and/or conditions.
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10-30-2009, 07:57 AM #20
I've had great luck with NGKs in all my vehicles. The TR-55 is a great choice for a stockish LS1. My LSx 382 used TR6s because I was spraying a 150shot on top and liked the colder range for the increased cylinder-pressure. I like stock or GMPP red plug wires.
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