BOSCH PLATINUM +4 SPARK PLUGS ?
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Le Mans Master
Joined: Feb 2002
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From: Waldorf MD
BOSCH PLATINUM +4 SPARK PLUGS ?
Whats you opinion of using Bosch Platinum +4 Spark Plugs in a stock 98 Coupe daily driver ?
I have used these plugs in other cars and they worked fine.
I have used these plugs in other cars and they worked fine.
Team Owner
Joined: Mar 1999
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From: San Jose/Bear Valley CA
CA Events Coordinator
Re: BOSCH PLATINUM +4 SPARK PLUGS ? (Oldvetter)
Whats you opinion of using Bosch Platinum +4 Spark Plugs in a stock 98 Coupe daily driver ?
vetterdstr :cheers:
Burning Brakes
Joined: Nov 2000
Posts: 824
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Re: BOSCH PLATINUM +4 SPARK PLUGS ? (Oldvetter)
have them, wouldn't hesitate to continue doing so.
probably as good as any plug as stated above, but they don't have to be gapped which is one less hassle and are readily available at most parts stores.
[Modified by TeamZ06, 11:09 PM 10/26/2002]
probably as good as any plug as stated above, but they don't have to be gapped which is one less hassle and are readily available at most parts stores.
[Modified by TeamZ06, 11:09 PM 10/26/2002]
Burning Brakes
Joined: Aug 2002
Posts: 1,045
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From: KC, MO Missouri
Re: BOSCH PLATINUM +4 SPARK PLUGS ? (TeamZ06)
Don't waste yoru dollars. I don't run platinums in any of my vehicles or customers cars. In my vette I run NGK TR55's, with NOS TR6's. In the Lightning I run Denso IT20's. Platinum is just for the 100K mile service life. I have had misfires and other problems with them.
Drifting
Joined: Feb 1999
Posts: 1,741
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From: Antelope CA
Re: BOSCH PLATINUM +4 SPARK PLUGS ? (Oldvetter)
I have them on all of my cars. I couldn't never tell on the vette because of my led foot (as far as the gas milleage are concerns). :D :D
However, I do see improvement on my other cars. If you like 'em, get it. Dont let others tell you otherwise.
Peace
Mav
However, I do see improvement on my other cars. If you like 'em, get it. Dont let others tell you otherwise.
Peace
Mav
Melting Slicks
Joined: May 2002
Posts: 2,780
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From: Savannah GA
Re: BOSCH PLATINUM +4 SPARK PLUGS ? (jimman)
I have them in my Z28 with no issues. I don't know if I am going to put them in the Vette though. I'd do NGK TR-55's on a LS1 just because they are cheap and people running them seem to swear by them. The life of a plug on a LS1 really does not matter since changing plugs on a LS1 is about a 20 minute ordeal. Now for a LT1 f-body :nono: Not something to look forward to...
Racer
Joined: Aug 2000
Posts: 296
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From: Enterprise AL
Cruise-In II Veteran
Re: BOSCH PLATINUM +4 SPARK PLUGS ? (ChevyChadZ28)
I have them in all my cars. Without a doubt the best plug available. Better flame propgation, and minimized gap expansion because of the unique tip with 4 ground electrodes.
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Drifting
Joined: Feb 1999
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From: Antelope CA
Re: BOSCH PLATINUM +4 SPARK PLUGS ? (ChevyChadZ28)
I have them in my Z28 with no issues. I don't know if I am going to put them in the Vette though. I'd do NGK TR-55's on a LS1 just because they are cheap and people running them seem to swear by them. The life of a plug on a LS1 really does not matter since changing plugs on a LS1 is about a 20 minute ordeal. Now for a LT1 f-body :nono: Not something to look forward to...
Le Mans Master
Joined: Nov 2000
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From: Galloway Twp. NJ
Cruise-In VII Veteran
Re: BOSCH PLATINUM +4 SPARK PLUGS ? (vettman10)
I have them in all my cars. Without a doubt the best plug available. Better flame propgation, and minimized gap expansion because of the unique tip with 4 ground electrodes.
don't believe it!
They don't work any better than a stock plug!
I put them in my '85 corvette and LOST power, I went back to the plugs I was using at the time (Accell U-groove copper plugs) and got my power right back!
save your money and buy NGK TR55's.
For performance, copper plugs ARE better than platinum!
and $1.20 per plug versus over $5.00 per plug is WAAAAY better! :cheers:
Race Director
Joined: Apr 2001
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From: Saint Augustine, FL
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St. Jude Donor '03-'04-'05-'06-'07-'08-'09-'10-'11-'12-'13-'14-'15-'16
Re: BOSCH PLATINUM +4 SPARK PLUGS ? (Oldvetter)
Whats you opinion of using Bosch Platinum +4 Spark Plugs in a stock 98 Coupe daily driver ?
I have used these plugs in other cars and they worked fine.
I have used these plugs in other cars and they worked fine.
Racer
Joined: Aug 2000
Posts: 296
Likes: 3
From: Enterprise AL
Cruise-In II Veteran
Re: BOSCH PLATINUM +4 SPARK PLUGS ? (RPOZ4Z)
I have them in all my cars. Without a doubt the best plug available. Better flame propgation, and minimized gap expansion because of the unique tip with 4 ground electrodes.
sounds like you're a victim of media hype!
don't believe it!
They don't work any better than a stock plug!
I put them in my '85 corvette and LOST power, I went back to the plugs I was using at the time (Accell U-groove copper plugs) and got my power right back!
save your money and buy NGK TR55's.
For performance, copper plugs ARE better than platinum!
and $1.20 per plug versus over $5.00 per plug is WAAAAY better! :cheers:
sounds like you're a victim of media hype!
don't believe it!
They don't work any better than a stock plug!
I put them in my '85 corvette and LOST power, I went back to the plugs I was using at the time (Accell U-groove copper plugs) and got my power right back!
save your money and buy NGK TR55's.
For performance, copper plugs ARE better than platinum!
and $1.20 per plug versus over $5.00 per plug is WAAAAY better! :cheers:
Le Mans Master
Joined: Nov 1999
Posts: 7,695
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From: Imperial Beach CA
Re: BOSCH PLATINUM +4 SPARK PLUGS ? (vettman10)
vettman10, sorry dude don't buy it. Just seen a before and after dyno run and the stock plugs blew them away. All kinds of detonation problems all over the map. As far as install problems, get serious.
Team Owner
Joined: May 2001
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From: Western NY
Re: BOSCH PLATINUM +4 SPARK PLUGS ? (Oldvetter)
I guess that everyone's entitled to their opinions. I first tried a set of the Bosch plugs in my "winter truck" last year, and was satisfied with the results. This year, when the "missing puck" frenzy hit the C-5 crowd, I replaced my OE plugs with a set of the Boschs.
Did the SOTP dyno show any gains? I don't think so, but then again I don't beat the car really hard. However, I don't have to worry about any errant "pucks" floating around in my engine........
Did the SOTP dyno show any gains? I don't think so, but then again I don't beat the car really hard. However, I don't have to worry about any errant "pucks" floating around in my engine........
Racer
Joined: Oct 2002
Posts: 264
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Re: BOSCH PLATINUM +4 SPARK PLUGS ? (Oldvetter)
Just starting to mod my 98 and installed +4's. There's a noticable power ++ sotp. I am curious, if there's a dyno result before and after around, why doesn't someone post it and we can all see for ourselves.
:flag :cheers:
:flag :cheers:
Race Director
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From: Saint Augustine, FL
Mid-TN Events Coordinator
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Re: BOSCH PLATINUM +4 SPARK PLUGS ? (TriBlakC5)
Just starting to mod my 98 and installed +4's. There's a noticable power ++ sotp. I am curious, if there's a dyno result before and after around, why doesn't someone post it and we can all see for ourselves.
:flag :cheers:
:flag :cheers:
As for the person who stated that it was a problem with the way they were installed...wtf? As soon as I switched back to the stock ACDelco my 93 ran 100 times better. It's just something about a plug that you DON'T gap. I don't buy it, and I still say it's nothing but hype. If you want to waste your money, go for it.
Le Mans Master
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From: Galloway Twp. NJ
Cruise-In VII Veteran
Re: BOSCH PLATINUM +4 SPARK PLUGS ? (vettman10)
These plugs do work. I've used them in many applications and have not had a single problem. If you had decreased performance, than maybe its the installer, not the plug. The plug is superior in 2 ways: First, with the spark traveling laterally from the tip of one of the ground electrodes to the center electrode it is totaly exposed to the combustion chamber. In conventional plugs, the flame kernal is schrouded by the ground electrode. Second, having 4 ground electrodes "share" the spark, gap erosion is minimimized, thereby extending the useful life of the plug. The platnum center electrode provides a very wear resistant conductor. Are they worth the extra money - absolutely. Especially in vehicles where changing plugs is a major pain, as these plugs will provide good ignition far longer than any other, posssibly to 100k miles.
Sorry bro,
In my experience, they didn't work, period.
myabe the reason you saw such an improvement was because your stock plugs were just really bad?
In that case ANYTHING is going to give you a performance boost!
as far as the "installer" being my problem with the bosch plugs, I don't think so.
I installed them myself! so there goes that theory!
I'm glad you are happy with them.
personally, I wanted to see a nice gain from them myself, but the plugs that they were replacing weren't bad to begin with, so I was able to see the real "benefit" of the bosch +4's :rolleyes:
bottom line, it's just a "gimmick" product.
It won't work any better than a regular spark plug.
:cheers:
Racer
Joined: Aug 2000
Posts: 296
Likes: 3
From: Enterprise AL
Cruise-In II Veteran
Re: BOSCH PLATINUM +4 SPARK PLUGS ? (RPOZ4Z)
All right, one final comment and I'll be quiet. MTI, one of the best respected C5 tuners, got a 5 HP gain with the +4's over stock plugs on dyno runs, and advertised these plugs in this manner. And as far as my comment about the installer being responsible for the loss in power, having worked on cars for most of my life, I know that sometimes when working on one component, another can get damaged without your knowledge. In this scenario, a brittle vacum line could be moved too much and then cracked or broken, or an old stock type graphite center plug wires pulled on and turned can cause large "gaps" in the center conductor, thereby further weaking the voltage to the plug, or maybe the +4's had quality control issues when first released on the market. Its just real odd how some pick up performance and others loose it with these plugs. And everytime this subject comes up, there is always a huge controversy - very interesting, but hey, that's what this forum is all about, shairing experiences and opinions.
[Modified by vettman10, 10:19 AM 10/29/2002]
[Modified by vettman10, 10:19 AM 10/29/2002]
Le Mans Master
Joined: Nov 2000
Posts: 6,266
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From: Galloway Twp. NJ
Cruise-In VII Veteran
Re: BOSCH PLATINUM +4 SPARK PLUGS ? (vettman10)
I agree!
some pepole got good results,
I didn't, and I'll never pay more than $1.50 for a spark plug ever again.
from what I was told by the guy at the parts counter, imports seem to benefit more from these plugs than an american V8! go figure.
:cheers:
some pepole got good results,
I didn't, and I'll never pay more than $1.50 for a spark plug ever again.
from what I was told by the guy at the parts counter, imports seem to benefit more from these plugs than an american V8! go figure.
:cheers:
