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Thread: 99 Trans am Spark plugs
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08-23-2005, 05:16 PM #1
99 Trans am Spark plugs
What are the best replacement spark plugs for a LS1 trans am 5.7? The old ones need replaced badly and they are NGK PTR5C-13, I was thinking those arn't the right ones, but they might have been.. Any certain brand and anything recommended??
Thx
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08-23-2005, 05:17 PM #2
- Join Date
- Aug 2005
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Red Tint Jewelcoat- 2008 Trailblazer SS
NGK TR55's.
Or ACDelco.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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