I try to run oil made for bikes. I don't like the synthetic oils. If you change oil alot, I think the cheaper motorcycle oils would be good for you. I also like the 20w50 or straight 30 weights. Clean oil and clean oil screens and filters beat fancy oils any day in my book.
Nicholson 500x (Project)
Nicholson 185s
Nicholson 110 (That takes an atc70 tank)
Ascott 500 head/350x (Project)
Homebuilt Racer Chromoly Suspension 110 (Ragin Runt)
PK Racing Suspension 70
A+ Inc Suspension 70
AWS Aluminum 90 frame
Hi Performance ATC Suspension frame rd350
Hi Performance ATC Suspension frame 90