Spark Plug misfire chart

[Master Of Pain]

I had one of my SAE instructor friends test some of the more popular plugs in a lab with a Ford coilpack, under a simulated combustion chamber pressure, at various simulated RPM fire rates. Take a look at the Denso Iridium's, f()ck!ing amazing.

Thread is at:
http://www.f150online.com/forums/showthread.php?s=&postid=511380#post511380

:tu:

 

[SILVER2000L]

Wow, that is amazing... Well I guess the $12.00 a Plug is worth it... I think for the money the NGK is a better buy though... Those are some great numbers though...

 

[blue-oval01]

WOW, that is freakin' amazing.
Are these simulated combustion specs close to reality?

 

[380hp]

Well from that chart I might have got 1 more tenth if I would have 8 instead of 7 densos Sunday at Hallsville Oh well I will get that stock thing out of there.

 

[DJANIMATE]

I got the Tr-5's, I hope they're similar to the Tr-6's.

 

[BLoG]

I got the Tr-5's, I hope they're similar to the Tr-6's.

Be careful, the TR5s are one heat range hotter. You may experience pre-ignition. I'd be VERY VERY careful with those things.

 

[roger]

Interesting...where's the best place to buy these? Anyone have a part #?

 

[cobrayankee]

JLP has them on his web site. I'm not sure of any place else as far as local retailers.

 

[DJANIMATE]

I heard they're almost 100 bucks for all 8, if that's true I might be sticking with the TR5's.

 

[Greesed]

The Denso site said to gap the IT16 at 0.050.

Why are some of you suggesting to gap it at 0.040

 

[LIGHTNINROD]

The Denso site said to gap the IT16 at 0.050.

Why are some of you suggesting to gap it at 0.040

A 'smaller, narrower gap is prudent if you have added boost. The larger gap may allow the 'fire' to be 'blown' out

Dan

 

[Greesed]

Ohhhhh:tu: my bad.