CR10EK Issues?

[ranger1]

without going out to the garage to actually look, I'm calling bs on the plug being longer and thats why it raises compression. they are the same except for the extra ground electrode.

Ok, took a hit for the team, went to the garage & compared them both & you are absolutely correct, they both have exactly the same thread depth!! Only difference is the added electrode to increase the compression!
I discovered one other thing, upon looking for the "used" plugs I discovered four new plugs!!!! Unfortunately I just replaced the plugs & kinda forgot I even had those, errrrr lol!!!!

 

[Sasquatch]

The plugs do not raise the compression ratio. Don't know where that idea got started. The 10's are supposed to help get a better burn which adds a little power. Wether or not that applies to all Apex and RX model years with or without mods is debatable.

 

[thunderbolt]

The plugs do not raise the compression ratio. Don't know where that idea got started. The 10's are supposed to help get a better burn which adds a little power. Wether or not that applies to all Apex and RX model years with or without mods is debatable.

Your dead on the money Sasquatch, been a mechanic for over thirty years , never seen a plug yet that will raise compression

 

[Master of Faster]

http://www.mototuneusa.com/power_news_- ... epower.htm

I've seen this link thrown around a few times, possibly where the idea of the compression ratio change came from.

 

[Mad Russian]

Makes scence to me ! thats why i put new plugs in my apex evry season

 

[CaptCaper]

I've always changed mine cold. I also put antisieze on the threads. If you pull them them out, put antisieze on the threads. I use the stuff on anything that gets hot. It works great. I had an R1 street bike, sold it with 25000 miles on it. Never touched the plugs. That ran mostly 7-8000 rpms, but it had a lot of time at 11,000rpms

The problem with flirting with grease on the threads is a proper grounding. If the machine runs good for you fine. It maybe that the Gasket to the head is giving enough ground. I personally won't grease. JMOP.

 

[ranger1]

I have gone back to the stock 9's because it starts much better than the ck10's when really cold. Did not notice any performance difference what so ever!

 

[Blue Dave]

without going out to the garage to actually look, im calling bs on the plug being longer and thats why it raises compression. they are the same except for the extra ground electrode.

X2, they are the same length.

 

[Blue Dave]

Makes scence to me ! thats why i put new plugs in my apex evry season

I guess if you like spending money and you find changing the plugs to be a fun job then knock yourself out but it is certainly not required. 5 years and 7500 miles on mine with no starting or running issues whatsoever.

 

[Indy]

I've used the cr10ek's since installing the ECP 8 or 9 years ago. Never had any problems. I run them because they were dyno'd with the ECP and proven to be the best plug for the set up.

I use the anti-seize stick on the threads and have had no problems.

At the beginning of this season I checked them and decided to switch out for some cr9e's I had, last week I switched back to new cr10ek's, old girl was not wanting to run when I let off of the throttle. Now she rocks.

 

[ranger1]

Does anyone else find that their sleds have harder extreme cold starts using the cr10ek's than the stock 9's? My RTX had the 10ek's & I had a heck of a time getting it started at anything below -20 Celsius. Just for the heck of it, I went outside tonight & started my Attak (stock plugs) & it fired up like nothing...its fricken -29 Celsius!!!! There is no way in hell the RTX would have started!

 

[02ViperMody44]

With NGK's the higher the number, the cooler the heat range, so maybe the Apex prefers the stock heat range, of the 9's over the 10's. Just a thought.

 

[KevinS]

Does anyone else find that their sleds have harder extreme cold starts using the cr10ek's than the stock 9's? My RTX had the 10ek's & I had a heck of a time getting it started at anything below -20 Celsius. Just for the heck of it, I went outside tonight & started my Attak (stock plugs) & it fired up like nothing...its fricken -29 Celsius!!!! There is no way in hell the RTX would have started!

I have noticed harder cold starts with the 10's.