2004 636 wont rev past 12000 rpm's

[N/A]

Pulling the plugs will give you a good idea of what your engine is doing. Lean, rich, starving... whatever.

[old man roger]

Originally Posted by MVSBrendon

You think he'd get that much electrode erosion in 5 months? I ran 3 seasons on i set of plugs.

But pull the plugs and take a look at them, even if their still in good shape, then could give you some indications of what's going wrong inside.

Check this link
http://www.gnttype.org/techarea/engine/plugs.html

lugging around on idle alot like we do could foul out a cheap set of plugs in 5 months not saying thats definitely his problem but it could be

[ADBZ Matt]

I put in the NGK EK plugs.. which were the split fire.. non irridium's I wont pay that kind of cash for irridiums... but i will try and change my plugs...

[N/A]

I just hate changing plugs, so I'd rather spend the $$$ to get nice plugs that I don't have to change.

[old man roger]

if you dont get the iridiums you are wasting your money because they last so much longer than the regular plugs

[ADBZ Matt]

Just bought these:

http://cgi.ebay.com/ebaymotors/ws/eB...m=230349733506

[old man roger]

wow thats cheap for iridiums ..good find

[ADBZ Matt]

Lets hope they are not used... haha

[old man roger]

Originally Posted by AdrenalineBoyz

Lets hope they are not used... haha

i

[old man roger]

be sure to check the gap too , i know people always say they come pregapped but even if they are pregapped they get bounced around alot so just double check it