Spark Plugs - Colder Plugs - Heat Ranges
07-26-2010, 05:59 AM
#42
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Location: PUERTO RICO
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Well, i'm using:
Denso Iridium
IKH16------------------5343-------------Stock heat range
I did feel a difference; but being honest, I think it was because the old platinums had over 120,000 miles, and they looked almost destroyed...lol
G35 sedan 2003....135,000 Miles
Denso Iridium
IKH16------------------5343-------------Stock heat range
I did feel a difference; but being honest, I think it was because the old platinums had over 120,000 miles, and they looked almost destroyed...lol
G35 sedan 2003....135,000 Miles
Last edited by TITANG9; 07-26-2010 at 06:00 AM.
06-29-2020, 03:39 PM
#44
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List of spark plugs available in multiple heat ranges for the VQ35:
Brand-------------------Stock #-----------Heat Range
NGK Iridium
LFR5AIX-11---------- 4469------------- Stock heat range
LFR6AIX-11---------- 6619-------------1 step colder
LFR7AIX--------------2309-------------2 steps colder
NGK V-power (standard plug)
LFR5A-11------------- 6376-------------Stock heat range
LFR6A-11------------- 3672-------------1 step colder
Denso Iridium
IKH16------------------------------------Stock heat range
IKH20------------------------------------1 step colder
IKH22------------------5345-------------2 steps colder
IKH24------------------5346-------------3 steps colder
IKH27------------------------------------4 steps colder
I searched the threads, but could not find one location of reference for spark plugs. These are just the ones that I did research on. However, if you know of more plugs, please let us all know!
Brand-------------------Stock #-----------Heat Range
NGK Iridium
LFR5AIX-11---------- 4469------------- Stock heat range
LFR6AIX-11---------- 6619-------------1 step colder
LFR7AIX--------------2309-------------2 steps colder
NGK V-power (standard plug)
LFR5A-11------------- 6376-------------Stock heat range
LFR6A-11------------- 3672-------------1 step colder
Denso Iridium
IKH16------------------------------------Stock heat range
IKH20------------------------------------1 step colder
IKH22------------------5345-------------2 steps colder
IKH24------------------5346-------------3 steps colder
IKH27------------------------------------4 steps colder
I searched the threads, but could not find one location of reference for spark plugs. These are just the ones that I did research on. However, if you know of more plugs, please let us all know!
06-29-2020, 05:49 PM
#46
New Member
This is an interesting thread though
06-29-2020, 05:50 PM
#47
New Member
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