spark plugs
#1
Join Date: Mar 2007
Location: Shippensburg/York PA
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#2
Test em out for a while, see how you like em. Usually, people will bash cuz they hear other people bash em. I used regular Bosch plugs for 2 years...I jsut replaced them because I got bored and wanted to do something to my truck...they worked fine and I had no problems.
Many applications are different. I say test it for yourself...my friend uses Bosche Platinum 2's (double) when his manufacturer says to use NGK...his engine runs just as smoothly, and his fuel efficiency went up 1 mile in his import...
Many applications are different. I say test it for yourself...my friend uses Bosche Platinum 2's (double) when his manufacturer says to use NGK...his engine runs just as smoothly, and his fuel efficiency went up 1 mile in his import...
#4
#8
from what i have seen.. its hit or miss.. some people have problems with them, others dont.. its not like your murdering your engine.. just make sure it's the right heat range.. i've ran several different plugs in mine..including these never had a problem with any of them.. only problem i had was with NGK.. i gapped them to .60 (i think they are suppose to be .48 or .58?) and 2 werent tightened correctly and blew the core's out of 2 of them drivin down the road
#9
Originally Posted by Takeda
Bosch run fine in my gas Mercedes, but caused major misfire in my Ranger!
Stay with the Motorcraft platinums (double or fine wire) and you will be sure
your getting the correct heat range plug!
Stay with the Motorcraft platinums (double or fine wire) and you will be sure
your getting the correct heat range plug!
#10
#11
Originally Posted by 245Ranger
I've been around the modular V8's for a while and most guys looking to get a little more performance use copper plugs, while they don't last as long as platniums they seem to be what most guys run on 4.6/5.4 engines (including myself).
#12
Originally Posted by Takeda
Unless misfire is happening, you don't get a performance increase with the type of spark plug you are using.
But hey.. what do I know.
Rich
#13
Originally Posted by wydopnthrtl
Not true. Plug resistance and how shrouded the flame front is, matters. You'll feel it in both smoothness and in slight power increases. Especially in tip in.
But hey.. what do I know.
Rich
But hey.. what do I know.
Rich
The difference in the effective series resistance between copper, and platinum plugs is in 100's of milliohms (0.001 OHMS = 1 milliohm), so resistance is a NON-ISSUE.
BUTT dynos aren't accurate at all!!!!
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