Many people have experimented Toothpaste, oreo cream, mineral oil, ketchup and face creams as thermal paste now its time for engine oil.
Saved a few drops from my bike's engine oil and poured it onto my r7 370.
Idle temps are exactly the same. Max temp had a difference of one degree.
Used unigine Heaven Benchmark 4.0
My current system
CPU: i7 2600
RAM: 8GB DDR3 1333 Mhz
GPU: r7 370 2GB
HDD: 500 GB ( sata II )
PSU: Antec EA-500D...