A result of having 143k+ miles spark plugs
10-09-11, 05:41 PM
#1
Rookie
Thread Starter
A result of having 143k+ miles spark plugs
Lexus finally had some tune up. It was my first time doing spark plugs and was easy, thanks to DIY links. While I was in there changing spark plugs, I did MAF and Throttle Body cleaning. It runs like it should and smooth.
Throtte body was full of black films that took me more than 30 minutes to clean up nice. The plugs were original from factory in 2000. Those plugs were replaced with NGK BKR6EIX-11. Sparkplugs.com wasnt cheapest around. Advanced auto were selling a plug @ 7.09 while spark plug were selling those at 7.83 each.
transmission fluid and filter change is the next job for me.
So here is pictures of it. Only one plug were covered in oil on thread. All were very well worn out and indicate engine is healthy.
You can see one plug covered in oil on thread on last right (3rd one)
Throtte body was full of black films that took me more than 30 minutes to clean up nice. The plugs were original from factory in 2000. Those plugs were replaced with NGK BKR6EIX-11. Sparkplugs.com wasnt cheapest around. Advanced auto were selling a plug @ 7.09 while spark plug were selling those at 7.83 each.
transmission fluid and filter change is the next job for me.
So here is pictures of it. Only one plug were covered in oil on thread. All were very well worn out and indicate engine is healthy.
You can see one plug covered in oil on thread on last right (3rd one)
Last edited by 01GS430; 10-09-11 at 05:47 PM.
10-09-11, 06:09 PM
#4
Rookie
Thread Starter
kingof901s-
I got the NGK iridium IX ones and its great.
Luxurygs3-
Yes it runs much better, but Tranny need to have fluid change to stop those vibrations. No vibration in P or N but D
I got the NGK iridium IX ones and its great.
Luxurygs3-
Yes it runs much better, but Tranny need to have fluid change to stop those vibrations. No vibration in P or N but D
Trending Topics
10-10-11, 09:10 AM
#9
I just did mine last night (and the TB cleaned, and cleaned the MAF a week or so ago), 140k on the clock. Mine were also factory installed plugs.
Didn't see any evidence of coolant or irregular firing or fueling. I put in std NGK v-grooves for now. Will see how they do, (so far they seem to run very good, stronger in the low end) those are good for 30k easy, so considering the price, the cooler tips (cooler than plat or irid), they should do well and perform nice. With the high compression we have, I would rather keep the combustion chamber hots spots to a bare min.....
Didn't see any evidence of coolant or irregular firing or fueling. I put in std NGK v-grooves for now. Will see how they do, (so far they seem to run very good, stronger in the low end) those are good for 30k easy, so considering the price, the cooler tips (cooler than plat or irid), they should do well and perform nice. With the high compression we have, I would rather keep the combustion chamber hots spots to a bare min.....
10-10-11, 11:15 AM
#11
Isn't that what he had posted? If what what part number are you talking about? I haven't installed any plugs in my car yet, but this is the first car I've owned were there were soooooo many NGK plugs to choose from with a lot of them being very similar...based on Advance Auto website.
10-10-11, 11:47 AM
#12
Iridiums are iridium on one side and plat on the other.
The issue is more dominant with turbo or supercharged engines is the plat or iridium tips run hotter to stay clean and because they are so much smaller that they are an invitation to knock. So I like to run the fatter tipped plugs to increase the surface area which run cooler and have less issues with hot spots and less issues with knock/detonation.
Safe to go with OEM plugs, yes. But the reason is emissions, there ARE better plugs out there and reasons for each. All depends on how you drive it. In most cases you CAN make more power with a std high nickel plug than a plat or iridium. Fine wire plugs are better emissions when cold and fire off with less voltage.
Reasons for everything....
The issue is more dominant with turbo or supercharged engines is the plat or iridium tips run hotter to stay clean and because they are so much smaller that they are an invitation to knock. So I like to run the fatter tipped plugs to increase the surface area which run cooler and have less issues with hot spots and less issues with knock/detonation.
Safe to go with OEM plugs, yes. But the reason is emissions, there ARE better plugs out there and reasons for each. All depends on how you drive it. In most cases you CAN make more power with a std high nickel plug than a plat or iridium. Fine wire plugs are better emissions when cold and fire off with less voltage.
Reasons for everything....
10-10-11, 01:14 PM
#13
Isn't that what he had posted? If what what part number are you talking about? I haven't installed any plugs in my car yet, but this is the first car I've owned were there were soooooo many NGK plugs to choose from with a lot of them being very similar...based on Advance Auto website.
The NGK Laser Iridiums have an iridium tip with a platinum ground. Much longer life than the IX's which have an iridium tip with a copper ground
The NGK Laser Iridiums for 98-2000 GS is IFR6T-11 . Probably the same for 01+
10-10-11, 01:29 PM
#14
Ironic...
We can get copper center/ground
We can get platinum center/copper ground
We can get platinum center/platinum ground
We can get Iridium center/copper ground
But to get Iridium center/platinum ground, we are limited to OEM plugs only.
We can get copper center/ground
We can get platinum center/copper ground
We can get platinum center/platinum ground
We can get Iridium center/copper ground
But to get Iridium center/platinum ground, we are limited to OEM plugs only.
10-10-11, 03:46 PM
#15
Rookie
Thread Starter
I have no intentions of modifying my lexus. It will be 100% stock throughout the life. Its an highway car for my family. The plugs I got was more than good enough for lexus. Most people on here got those too if their lexus are stock.
I am buying an e39 m5 soon for more fun driving.
I am buying an e39 m5 soon for more fun driving.