Im not sure how long the plug lasts yet. Mine is still going strong. Seems to be a pretty good plug that came with it.
I have a CVEC pipe on the LRP. Im not sure if its giving me the max power from the engine or not though. Ive been looking around for other small block pipes but I havent found much.
Ok and yes that score seems to be the rating system. If you look on the bottom of each message you'll a rate it button now. It doesnt mean much but Iguess if you find a post useful you can rate it and it will improve the posters score.