Any benefit
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Laughing Gas
Joined: Dec 2010
Posts: 924
Likes: 1
Any benefit
So today I went out to check my spark plugs I recently did a tune up on my pickup maybe 2 or 3 weeks ago anyways I went to pull number three out and it was cracked at the bottom of the insulator I'm not sure if it happened when I loosened it or what. But what bring me to my point I was thinking would I see any benefit from switching from copper plugs to platinum plugs? I do gap them at .055 only because I have the DUI distributor and I run 93 octane. I haven't had a problem running copper plugs just figured would it be worth paying the extra cash for platinums on these engines.
FTE Legend
Joined: Nov 2015
Posts: 30,981
Likes: 4,133
From: Angier, NC
I have heard motors not made to run platinum plugs don't run right.
Me for the extra money for plugs that may not run right is not worth the try when copper works.
Why are you running 93 octane? What is your compression ratio? What is base & total timing?
Just because the plugs are gapped at .055 is not a reason for 93.
Dave ----
Me for the extra money for plugs that may not run right is not worth the try when copper works.
Why are you running 93 octane? What is your compression ratio? What is base & total timing?
Just because the plugs are gapped at .055 is not a reason for 93.
Dave ----
Lead Driver
Joined: Dec 2000
Posts: 6,298
Likes: 47
From: South central, Minnesota
I run platinum plugs, I've never had any issue running them. I don't have to change them very often.
My experience with the platinum plugs is they just last longer then a standard plug. I don't really notice any performance difference. If there is, it's so small it's not very noticeable. On my 96 E250 ( 5.8L, 250,000 miles ) I've changed the plugs in it once. I've owned it for 8 or 9 years now. I'm going to throw another new set in towards the end of summer here, when I do some engine work on it ( water pump, timing set, etc. ) .
You have to decide for yourself if the price difference is worth it to you.
My experience with the platinum plugs is they just last longer then a standard plug. I don't really notice any performance difference. If there is, it's so small it's not very noticeable. On my 96 E250 ( 5.8L, 250,000 miles ) I've changed the plugs in it once. I've owned it for 8 or 9 years now. I'm going to throw another new set in towards the end of summer here, when I do some engine work on it ( water pump, timing set, etc. ) .
You have to decide for yourself if the price difference is worth it to you.
Thread Starter
|
Laughing Gas
Joined: Dec 2010
Posts: 924
Likes: 1
I have heard motors not made to run platinum plugs don't run right.
Me for the extra money for plugs that may not run right is not worth the try when copper works.
Why are you running 93 octane? What is your compression ratio? What is base & total timing?
Just because the plugs are gapped at .055 is not a reason for 93.
Dave ----
Me for the extra money for plugs that may not run right is not worth the try when copper works.
Why are you running 93 octane? What is your compression ratio? What is base & total timing?
Just because the plugs are gapped at .055 is not a reason for 93.
Dave ----
I run platinum plugs, I've never had any issue running them. I don't have to change them very often.
My experience with the platinum plugs is they just last longer then a standard plug. I don't really notice any performance difference. If there is, it's so small it's not very noticeable. On my 96 E250 ( 5.8L, 250,000 miles ) I've changed the plugs in it once. I've owned it for 8 or 9 years now. I'm going to throw another new set in towards the end of summer here, when I do some engine work on it ( water pump, timing set, etc. ) .
You have to decide for yourself if the price difference is worth it to you.
My experience with the platinum plugs is they just last longer then a standard plug. I don't really notice any performance difference. If there is, it's so small it's not very noticeable. On my 96 E250 ( 5.8L, 250,000 miles ) I've changed the plugs in it once. I've owned it for 8 or 9 years now. I'm going to throw another new set in towards the end of summer here, when I do some engine work on it ( water pump, timing set, etc. ) .
You have to decide for yourself if the price difference is worth it to you.
Lead Driver
Joined: Dec 2000
Posts: 6,298
Likes: 47
From: South central, Minnesota
I run 93 octane because the machinist told that I would probably benefit he said you could probably get away with running cheaper gas but if I really wanted to I could run premium. The compression ratio is about 9.5:1. The timing I wish I new I didn't install the dizzy so I couldn't tell you.
Well that about the answer I was looking for. I change my plugs almost every year and I was just looking for a change. My brother in law told to try the E3 plugs but I haven't heard anything good about them things.
Well that about the answer I was looking for. I change my plugs almost every year and I was just looking for a change. My brother in law told to try the E3 plugs but I haven't heard anything good about them things.
I'd skip the E3 plugs. I haven't tried them in a car or truck but I ran one in a lawn mower and wasn't impressed. I changed back to a standard plug before the summer was over. And I've heard from a few friends that had weird intermittent miss issues with E3 plugs. When they changed plugs the problem went away.
I run platinum plugs but have been tempted to try some iridium plugs. They take the platinum plugs benefit and go even farther. They last a really long time ( much longer then platinum ) and also are suppose to improve throttle response and gas mileage slightly. No proof on the performance improvements but I believe the newer vehicles that come with 100,000 mile spark plugs have iridium plugs. But there is a pretty good size jump in the price jump between platinum and iridium plugs ( 2X- 5X the price ) .
FTE Legend
Joined: Nov 2015
Posts: 30,981
Likes: 4,133
From: Angier, NC
I run 93 octane because the machinist told that I would probably benefit he said you could probably get away with running cheaper gas but if I really wanted to I could run premium. The compression ratio is about 9.5:1. The timing I wish I new I didn't install the dizzy so I couldn't tell you.
Well that about the answer I was looking for. I change my plugs almost every year and I was just looking for a change. My brother in law told to try the E3 plugs but I haven't heard anything good about them things.
Well that about the answer I was looking for. I change my plugs almost every year and I was just looking for a change. My brother in law told to try the E3 plugs but I haven't heard anything good about them things.
If you got 20K on them and are warn out then maybe I can see changing every year and or going with platinum plugs.
FYI the long lasting plugs were made for cars & trucks that takes 3 hours to change plugs. It takes me longer to find my tools to change plugs than to do the job on my 300 six.
With the long lasting plugs and EFI you can run them for 50K+ before needing to change them.
If I put 5K on my truck a year when done I think that will be a lot and I don't see a need to change them every year for the mileage.
Dave ----
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