Types of Sparkplugs for VQ35DE
Types of Sparkplugs for VQ35DE
Spark plug (Platinum-tipped type):
Make NGK
Standard type PLFR5A-11
Hot type PLFR4A-11
Cold type PLFR6A-11
Use standard type spark plug for normal condition.
The hot type spark plug is suitable when fouling may occur with the
standard type spark plug such as:
I frequent engine starts
I low ambient temperatures
The cold type spark plug is suitable when spark knock may occur
with the standard type spark plug such as:
I extended highway driving
I frequent high engine revolution
Gap (Nominal): 1.1 mm (0.043 in)
: 20 - 29 N·m (2.0 - 3.0 kg-m, 14 - 22 ft-lb
Spark plug (Platinum-tipped type): Make NGK Standard type PLFR5A-11 Hot type PLFR4A-11 Cold type PLFR6A-11 Use standard type spark plug for normal condition. The hot type spark plug is suitable when fouling may occur with the standard type spark plug such as: I frequent engine starts I low ambient temperatures The cold type spark plug is suitable when spark knock may occur with the standard type spark plug such as: I extended highway driving I frequent high engine revolution Gap (Nominal): 1.1 mm (0.043 in) : 20 - 29 N·m (2.0 - 3.0 kg-m, 14 - 22 f
Senior Member
Joined: Feb 2009
Posts: 2,300
From: Columbia SC
So will NGK Iridiums be good for this engine also? Saw a set on ebay part # LFR5AIX11 for a good price. Its pretty hot here and i do a mix of city and highway driving so im thinking i may need a cold plug.
Outside temperature doesn't determine if you need a colder plug. You might need a colder plug if you were towing a loaded trailer, which is putting a heavier workload on the engine. Standard plugs are fine otherwise.
Senior Member
Joined: Feb 2009
Posts: 2,300
From: Columbia SC
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