my setup:
97dx
00b16
00si ecu
NOS dry kit (40shot)
DSM fuel pump
B&M fpr and gauge
NGK bkr7e
And a AEM intake, stock si header and piping with a stock dx muffler

My plugs go green if I'am on the bottle or not. The fpr is set at 3psi over stock. Timing is also stock.

I'am thinking headgasket but I have NO symptms(sp?) of one. Exhaust looks good, coolent looks good(no bubbles), reserve looks good(clean and dose not overfill), did a oil change,good. I'am not loosing any coolent either.

Anyone have any ideas, thoughts?

 

been using any octane booster or gas additive?

 

nope, sunoco94.

 

you have any pics???

if copper plugs could be copper oxide, but that's not possible unless you leave them in there while with the engine off...