I put in my oil mod today and tooks some pics while i was at it. Took the coil and wires off. Disconnected the pcv line. Then took off the valve cover (Nine 8mm bolts). Took off the cam sensor (Two 10mm bolts).
Got the cam cap off (one 8mm and two 10mm bolts). Tapped it gently with a screw driver handle to get it loose.

Installed the oil modifier.

Cleaned up the valve cover and gasket of old silicon.

Cleaned the head of old silicon and torqued the cam cap.

Put new silicon on where Aaron from RealTune said to put some and in the corners where the old silicon was. Put the valve cover and cam sensor back on.

Done!

Just put the coil and wires back on and the pcv line.

I let it sit for an hour and a half while i rerouted some lines and removed the red line, capped where it was. Started the car and let it idle for about 10-15 minutes, no leaks. Drove around for a while, no leaks. Did a few runs, no leaks. Mid-high end there was noticeable gains. Best mod ive done under $100.
For those not sure what the oil modifier is, heres an explanation by Aaron at RealTune. Look at post #10
Alright Aaron. Lets talk Oil modifier
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*98 Neon R/T:Too Many mods
*00 Celica GT-S:I/E,STS,S-Tech's,S2k Antenna
*04 SRT-4:AGP 50Trim Kit,S1,S2 Inj,S-AFC2,AEM Wideband,Turbo XS HPBC,PTP Direct Fit,PTP UHP-HKS SSQV,PTP 180 T-Stat,PTP CV,Maxxfab Magnaflow 3" TBE ,CoolingMist W/I 50/50 Mix M5 Nozzle,DCR Oil Mod,AEM SRI,MSD Wires,Bwoody MM's,Maddog 72%,Aeroforce Pro,255 Pump and Rewire,K-Sport CO's
Not installed: DSP, Redstar Return Line,