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Thread: Best Spark Plugs
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11-26-2006, 05:00 AM #1JMAC Racing
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2000 Trans Am WS6 LS6- 2006 GTO LS2
Best Spark Plugs
I am in the process of installing GM Ported LS6 Heads, SLP LS6 intake, Pacesetter LT headers with ORY, and TR Cam 228/228 .588/.588 112 LSA. I was wondering what kind of spark plugs are best for my setup?
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11-26-2006, 05:22 AM #2Senior Member
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414 RWHP 395 RWTQ- 00 Black Ram Air Trans Am
NGK TR55 plugs and I would swap in some MSD wires while you are at it, good maintenance while everything is torn apart
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11-26-2006, 05:23 AM #3Senior Member
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414 RWHP 395 RWTQ- 00 Black Ram Air Trans Am
Gonna be ready for that 85-100 RWHP jump when you get in that beast afterwards??? Hopefully you are getting her tuned right?
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11-26-2006, 06:03 AM #4JMAC Racing
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2000 Trans Am WS6 LS6- 2006 GTO LS2
NGK TR55. irridum or non-irridum?
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11-26-2006, 06:26 AM #5Senior Member
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414 RWHP 395 RWTQ- 00 Black Ram Air Trans Am
irridium are supposed to be stronger and last longer, hence the higher price.
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11-26-2006, 07:16 AM #6JMAC Racing
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2000 Trans Am WS6 LS6- 2006 GTO LS2
Are the AC Delco Irridium any good?
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11-26-2006, 12:55 PM #7Senior Member
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Black- 2001 Trans Am (sold)
NGK TR55 copper. Gapped at .055. Sounds like a good array of parts you got there.
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11-26-2006, 12:57 PM #8Senior Member
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414 RWHP 395 RWTQ- 00 Black Ram Air Trans Am
+1 someone did their homework before modding
Originally Posted by INMY01TA
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11-26-2006, 05:37 PM #9Rice Killa
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Black With T-Tops- 96 Z28 M6
Bottom line what is the best plugs?
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11-27-2006, 05:15 PM #10Senior Member
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black, 05 Roush- black, 99 T/A WS.6
NGK TR55IX (iridium) for me
1999 T/A WS6 Black
-------SOLD
05 mustang Roush sport;
DOB manifold, m122 SC, 47lb injectors, gt500 TB, roush TVS CAI, Detroit rocker SC grind camshafts, Mac LTs, off road x, roush off road mufflers, roush short throw shifter, kenne bell BAP, Brenspeed 93 octane tune. 479rwhp 436ftlbs SAE.
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11-27-2006, 07:41 PM #11Senior Member
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Red- 1998 Pontiac Trans Am
I wouldn't go iridium personally. I ran AC Delco and NGK Iridium's and the spark was just too hot for the setup. Had some Pre det problems because of the spark plug
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