Hey guys maybe you can help ok i have 2 jl12w6 runing off my jl 500 and i bought a 10w7 and put it on the jl500 to compare .The 2 12w6 killed the 10w7 in my trunk so im wondering what direction to go i wanted to do 2 10w7 and a jl 1000 or just stick with the 12w6 and maybe a put a jl 1000 on...