Confussed by info from NGK
#1
IMBOUTTOBUSTSOMEGHOSTS
![](https://maxima.org/forums/images/smilies/support.gif)
Thread Starter
iTrader: (8)
Join Date: Jul 2001
Location: Charlotte, NC
Posts: 4,695
Confused by info from NGK
I've got a 01 n/a maxima and I am currently using NKG coppers (BKR5E-11). I found this breakdown of the NGK part numbers HERE . From what this says, the plug I am using should be gapped to .044 from the factory which is also the gap I need to run.
However, when I put the plug in a gapper, the gap is only around .040. I am using the coin gapper so what I want know is whether this is an inaccurate way of gapping/checking gap or are the NGK gapped incorrectly from the plant? I appreciate any insight or informations. Thanks in advance.
However, when I put the plug in a gapper, the gap is only around .040. I am using the coin gapper so what I want know is whether this is an inaccurate way of gapping/checking gap or are the NGK gapped incorrectly from the plant? I appreciate any insight or informations. Thanks in advance.
#2
Do I need to Gap my plugs?
Maybe, but likely not. Many plugs are pre-gapped for their most popular applications, however, the gap can be altered if the plug is dropped or mishandled in packing/shipping. Therefore even if the plugs are supposedly preset for your motor, it is always wise to check the gap on each plug prior to installing.
A wire gauge is the most accurate, coin or feeler gauges can give innacurate readings.
Maybe, but likely not. Many plugs are pre-gapped for their most popular applications, however, the gap can be altered if the plug is dropped or mishandled in packing/shipping. Therefore even if the plugs are supposedly preset for your motor, it is always wise to check the gap on each plug prior to installing.
A wire gauge is the most accurate, coin or feeler gauges can give innacurate readings.
#3
IMBOUTTOBUSTSOMEGHOSTS
![](https://maxima.org/forums/images/smilies/support.gif)
Thread Starter
iTrader: (8)
Join Date: Jul 2001
Location: Charlotte, NC
Posts: 4,695
Originally Posted by Jime
Do I need to Gap my plugs?
Maybe, but likely not. Many plugs are pre-gapped for their most popular applications, however, the gap can be altered if the plug is dropped or mishandled in packing/shipping. Therefore even if the plugs are supposedly preset for your motor, it is always wise to check the gap on each plug prior to installing.
A wire gauge is the most accurate, coin or feeler gauges can give innacurate readings.
Maybe, but likely not. Many plugs are pre-gapped for their most popular applications, however, the gap can be altered if the plug is dropped or mishandled in packing/shipping. Therefore even if the plugs are supposedly preset for your motor, it is always wise to check the gap on each plug prior to installing.
A wire gauge is the most accurate, coin or feeler gauges can give innacurate readings.
#5
IMBOUTTOBUSTSOMEGHOSTS
![](https://maxima.org/forums/images/smilies/support.gif)
Thread Starter
iTrader: (8)
Join Date: Jul 2001
Location: Charlotte, NC
Posts: 4,695
Originally Posted by Big D
Plugs are pre-gapped from factory but you would be STUPID not to check the gap before putting them in. The gap might have shifted during shipping or something.
Thread
Thread Starter
Forum
Replies
Last Post
BPuff57
Advanced Suspension, Chassis, and Braking
33
04-16-2020 05:15 AM
fx4five
1st & 2nd Generation Maxima (1981-1984 and 1985-1988)
0
10-01-2015 04:58 AM
worldwiderecognized
6th Generation Maxima (2004-2008)
0
09-30-2015 01:16 PM