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Thread: ngk tr5 or ngk tr55
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05-18-2009, 10:26 AM #1
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ngk tr5 or ngk tr55
which one will work better? the ngk tr5 is gapped at .035 and the tr55 is gapped at .05, but i don't know what that means! so which one will work better on a car with only a cia, headers, and cat-back?
94 formula
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05-18-2009, 10:27 AM #2
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the .05 actually now that i think about it haha.
1994 T\A, BBK shorties,CAI, cutout, full exhaust,MSD wires, 160* t-stat, 3.73s, cc503-1.6rr's-lunati lifters-stock pushrods FTW
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05-18-2009, 12:33 PM #3
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TR55s
Brandon
94 Z28 A4, Best 60'-1.797 1/8-8.02 1/4-12.98 at 104.37 SOLD!!!!!!!!
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05-18-2009, 12:44 PM #4
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^^^Yep, TR55's @ 0.050. These are stock heat range, stock gap which is all you need for your mods.
Originally Posted by hempkat94z
Brandon
94 Z, 383, 6-Speed, T-Trim, Aftercooled, AFR, DFI, Moser, Etc....
95 Z, DD, Bolt-ons + 125 Shot
02 GMC Sierra 1500 Ext Cab, Car Hauler
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05-18-2009, 10:51 PM #5
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tr55's it is then, thanks guys! while we're on the topic, what does it mean by the gap?
94 formula
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05-19-2009, 04:31 AM #6
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The gap is the actual distance between the electrode and the ground strap. (the post in the center of the plug the spark comes from, and the tip of the 90 degree bend the spark arc's to). Remember to double check the gap on the plugs before installing them. Any parts salesmen worth paying to sell auto parts can show you what your checking and how to check/ adjust it when you buy your plugs. Also remebber to get the wires all the way back on the plugs and make sure the wires are clear of the headers/ manifolds! Enjoy and if this is your first plug change on an LT1, save up lots of patience!!
Last edited by 96LT1355Z28; 05-19-2009 at 04:36 AM.
-Josh
co-owner of BDBRacing.com
NMCA OC 9004
96, N/A 385, Holley EFI, Faceplated M6, AI TFS heads, LE SR cam, MWC Fab 9
10.16 @ 136 1.50 60'........still workin on that 60' shootin for 1.4's!
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05-19-2009, 11:54 AM #7
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Yeah that plug change is going to be a beast (especially if its your first time). Just be patient, and if you run into a wall just take a beer/cig/whatever youd like break. It all comes togeather after that break
You will also be happy knowing you got some quality plugs in there!Nick
- 2003 SVT Cobra T56/4.6L - Pullied, Tuned, Full Intake/Exhaust, Stg3 Clutch (29k) - 483rwhp @14-15psi
- 2002 Ford F350 7.3L Powerstroke - Edge Evo II/33" BFG AT TAs/4" MBRP Turbo Back + Intake (164k)
- 1995 Pontiac Firehawk #224 (Chameleon) - Full Bolton/Cammed/Full Suspension (71k) - 12.75 @ 107.94
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