Best Spark Plug to use
i have been using BR8ESIX iridium plugs. absolutely amazing plugs VS the standard BR8ES copper plugs. i have made at least 20 passes over 40psi and about 500 street miles and there still running supper clean and smooth. get iridiums .
i run ngk copper bpr8es but if i was stock id run the brp7es... also in the tranny i run a redline cocktail wich is 2 quarts redline mt90 and half quart redline lightweight shock proof.. it coates the gears really nice and has been the best iv ever felt my transmissions. diaqueen in the tranfer case and rear diff.
Anyone want to go into detail as to how the stock plug is not ideal?
Lots of people are quick to bash OEM parts (often for good reason), but in this particular case I recall seeing numerous threads/posts where people said that the stock plug was quite sufficient for a large amount of builds out there.
Is that incorrect?
Lots of people are quick to bash OEM parts (often for good reason), but in this particular case I recall seeing numerous threads/posts where people said that the stock plug was quite sufficient for a large amount of builds out there.
Is that incorrect?
i mean who wants to change the plugs every time you change the oil?not me.
I guess in this case the VIII uses a totally different plug, so that might explain why people want to change it out to something else that works better for their build.
Last edited by golgo13; Aug 30, 2012 at 01:07 PM.
Evolving Member
Joined: Apr 2012
Posts: 286
Likes: 0
From: Melbourne, Australia
i have an evoVIII and want to go iridium because im lazy and dont want to change spark plugs so often.. which one would be most ideal ? car has around 300whp
bpr7eix ? bpr8eix ?br8eix?? i have no idea what the difference is with spark plugs sorry ! :S
bpr7eix ? bpr8eix ?br8eix?? i have no idea what the difference is with spark plugs sorry ! :S
Evolving Member
Joined: Aug 2012
Posts: 131
Likes: 1
From: FL
sorry to jump here but i would like to know if it would be best to gap the iridium plugs i have for better hp and idle? im running 26 psi stock turbo.272 hks ,straight pipe, intake if so to wich i belive they come round .24 or .25 out the box
P = Projected tip. Puts the electrode and side electrode further into the combustion chamber.
R = Resistor. Helps with radio and ignition interference. I do not use this option unless needed. It robs a small amount of your spark energy.
7, 8. = Heat range of plug. lower # is hotter in NGK.
E = Length .750. Also known as the reach of the plug.
S = Standard tip design
IX = Special tip design.
You could run the cheapest NGK and it would work just as good as the more expensive ones. Less costly to replace more often.
B7ES. Stock Engines or slightly modified. Gap .024
B8ES. Modified. Gap .022
Above information is for Evo VIII. Evo IX is a totaly diferent plug.
Don
Last edited by Roadrunr; Sep 2, 2012 at 02:25 PM.
Evolving Member
Joined: Apr 2012
Posts: 286
Likes: 0
From: Melbourne, Australia
B = Dia. 14 mm
P = Projected tip. Puts the electrode and side electrode further into the combustion chamber.
R = Resistor. Helps with radio and ignition interference. I do not use this option unless needed. It robs a small amount of your spark energy.
7, 8. = Heat range of plug. lower # is hotter in NGK.
E = Length .750. Also known as the reach of the plug.
S = Standard tip design
IX = Special tip design.
You could run the cheapest NGK and it would work just as good as the more expensive ones. Less costly to replace more often.
B7ES. Stock Engines or slightly modified. Gap .024
B8ES. Modified. Gap .022
Above information is for Evo VIII. Evo IX is a totaly diferent plug.
Don
P = Projected tip. Puts the electrode and side electrode further into the combustion chamber.
R = Resistor. Helps with radio and ignition interference. I do not use this option unless needed. It robs a small amount of your spark energy.
7, 8. = Heat range of plug. lower # is hotter in NGK.
E = Length .750. Also known as the reach of the plug.
S = Standard tip design
IX = Special tip design.
You could run the cheapest NGK and it would work just as good as the more expensive ones. Less costly to replace more often.
B7ES. Stock Engines or slightly modified. Gap .024
B8ES. Modified. Gap .022
Above information is for Evo VIII. Evo IX is a totaly diferent plug.
Don
cheers thanks ! ill go with the BPR7EIX for now as read a few places i shouldnt go 8 unless i am over 400whp / running 25psi + .. if its no good or doesnt last long, ill go with the BPR7ES copper ones ??
