Running the XE224/230 and other mods below. Never really had a problem with cam surge, always noticed a little but nothing bad. Recently went to NGK TR6 from the TR55, since i decided to spray. Last night was my first chance to really get in and drive the car. I noticed huge amount of cam surge at lower (around town) speeds. Thats the only change I made. Would going to a colder plug cause this? Why?

 

Did you have your battery unplugged when you were working under the hood? I've noticed my computer takes a little bit to re-learn things after the battery has been disconnected - and the car doesn't run quite as nicely as normal for a bit.

 

yes I did have it disconnected for a couple of weeks actualy. Does that apply to the 93's as well? Also thinking about it, there is a chance I may have damaged a O2 sensor. What effect would that have?

 

Maybe try posting in the Computer Diagnostics/Programming section... there are guys there that might be able to help.

 

Its just problems with the colder plug. I would suggest getting on it regularly to keep them cleaned off as they will foul out and get dark faster because they don't have the heat to keep them clean.

 

Thanks Alvin!!

 

WHat did you set the gap to btw?

If you can get me datalogs or meet me at the dyno day I have a few tricks that help make it better.