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Subject: Spark Plugs
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Author Messages
dptrahanUser is Offline
Bone Stock
Bone Stock
Posts:5


02/11/2005 8:32 AM  
It time for me to change my spark plugs. I've heard both sides of the arguement of the best spark plug. What do ya'll think? Is it better to go with factory-style plugs of something like the aftermarket Bosch platinum 4 plugs?

4xguyUser is Offline
Street Queen
Street Queen
Posts:104


02/11/2005 10:27 AM  
IMHO - Factory is the way to go. The manufacturers do extensive testing and find the right match for all of the parts. And, (again, myhumble opinion) I've never seen any gains from going with platinum, or quadruple anode plugs or any other crazy setup. I've tried a number of high-zute plugs and never saw any increase in mileage or performance.

That's my 2 cents.




Jason Gorpman, Esq.
TEXANFEREVERUser is Offline
Bone Stock
Bone Stock
Posts:9


02/11/2005 8:17 PM  
4xguy- Is the whole idea behind the multiple anode plugs just a gimmick? My last truck was a dodge, and when I changes the plugs every parts store that I talked to told me that the Bosch platinum 4 plugs were the best. Also, what is the cost difference between that and the stock plugs, if any?

4xguyUser is Offline
Street Queen
Street Queen
Posts:104


02/11/2005 8:32 PM  
The cost difference can be as much as 3 or 4 times as that of an "OEM" replacement! In my humble opinion, I think they're a waste of money. If however, you've built a really hot motor, or have altered it by feeding more fuel, you might benefit from a multiple anode spark plug. But in your stock config, don't bother.

I've also played around with some "upper end" repalcement plugs like the Bosche Platinum and really haven't seen any difference there either.

Now - my testings certainly aren't scientific, I don't have a dyno and my tests aren't in controlled environments, but I've tried to test mileage based upon long highway trips (where it's more consistent than city driving) and haven't seen any notable difference.

The platinum plugs will definitely last longer than a stock steel / ceramic plug, so you might reap some benefits in money savings long term. In fact, when Ford and Chevy introduced their 100,000 mile no-tune-up engines back in the early 90's, it was nothing more than platinum plugs and a coil per cylinder.

Another thing to consider is that MSD and Jacob's highly recommend against anything but a stock spark plug if you're running their coil and/or ignition units.



Again, in my humble opinion, I think the multiple anode plugs fall into the same category as: - the "special" engine oil that can be drained from the engine and run for 20 hours - the car wax that is so great that you can spill acid on it and catch it on fire - and as always... the magnetic clamp that fits over your fuel lines and claims a 40% increase in fuel mileage!

What was ol' Barnam's saying? [)] Something about a sucker born every minute.

Jason Gorpman, Esq.
n/aUser is Offline
Body Lift
Body Lift
Posts:176


09/30/2005 11:24 PM  
I'm 4xguy on this one. stick with the factory one's.

Hay!! Can you get your dad's dozer? wwwwwwhaaaaaat??
SnoManUser is Offline
Lift & Lockers
Lift & Lockers
Posts:943


10/01/2005 2:10 AM  
I have to side with factory style too. Using a platinum tipped on though is a plus because Platinum has a extremely low erosion rate of electrodes. Also I see no point in a multigap plug because that would mena the the limited spark energy would be divided amoung seveal gap so instead of one good strong spark, you would have several weakers ones.

-------------------------- Visit the SnoMan at www.thesnoman.com
primetimek5User is Offline
Lift & Lockers
Lift & Lockers
Posts:537


10/01/2005 8:57 AM  
oem stockers. you probably whent to auto zone to ask right? they are trained to say bosh. really i use to train managers from riverside,calif to all over new england area.

rick p.
4xguyUser is Offline
Street Queen
Street Queen
Posts:104


10/01/2005 7:46 PM  
Yup - certainly nothing wrong with platinum plugs, they do last longer.

Here's something else to consider... i was talking to a friend of mine, who has a friend that is a crew chief for a drag racing team. I asked him what his friend runs in the engine? Guess what - 700 HP, dual distributors, full blower, nitro fuel... and single electrode platinum plugs!

I think that sums it up for me.

Jason Gorpman, Esq.
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