Spark plugs
Getting ready to do a tune up. I see that our plugs factory are iridium correct? So I was wondering if I should stick with iridium or could I go with platinum? Also if I stick with iriduim what plug does everyone recommend? I only ask about the platinums, because I ran the Bosch platinums in my 90 5.7 and had pretty good luck.
Thanks in advance.
2014 GMC Sierra Crew Cab
-5.3
-Gibson Exhaust
Stock AC Delco's
Different plugs won't do a thing.
2013 CC 5.3
81 C10 LS1 project
But another brand will not hurt anytting either correct?
2014 GMC Sierra Crew Cab
-5.3
-Gibson Exhaust
NGK Tr5's
i use ngk tr55ix or if not, just the plain tr55
NGK TR55's here. I've heard bad things about Bosch and E3.
Big slow mud truck with a TUNE!!!!!!
Platinum is a downgrade. E3 is junk, i dont put bosch stuff in my truck.
NGK, ac delco, denso, whichever is cheaper.
'02 Silvy: Z71 EC Step Side 5.3L Nelson tuned
2013 GMC Acadia: SLT1 Carbon Black
1976 Corvette Stingray: Trying to save it, progress is slow.
^Ricky's Sweet PS Skilz
09/21/2010 02:31 <danger_ranger83> I'm not really worried about the looks...I want it to be fast and ugly...bc no one wants to get outrun by something ugly
Looks like it will be NGK or AC Delco then. I gotta do some price checking to see who has the better deal. The 100,000 mile tune up is coming up real soon. The 1st complete tune up that is.
2014 GMC Sierra Crew Cab
-5.3
-Gibson Exhaust
NGK tr55ix
04 Silverado Z-71 Extended Cab
Magnaflow, 10.4 TV 50 wires, tr-55ix, Synthetics, HID's, JL audio, 33.5", leveling kit, tuned, CAI, vette servo, cam, valve job, pacesetter. 9.3@77.5 and 14.5@93.4
06 2wd
custom cam, tune, 3.73's, servo, HID's, 10.4mm wires, long-tubes, CAI, magnaflow, 2.5" shackles, Circle-D 3200, UD, JL Audio 4.1, Alpine 5ch
What is the difference in the tr55 and the tr55ix?
2014 GMC Sierra Crew Cab
-5.3
-Gibson Exhaust
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