Originally Posted by Biebs
I will have to reaccess my options with this info - as stated above ATF fluid is what I use in my forks.
Shell hydraulic oil was recommended for the fork oil, equivalent to ATF. There are other (better?) options/brands for fork oils, including a variety of viscosities - 5 wt., 7.5 wt., etc. Weak fork springs are one cause of excessive fork dive, insufficient preload is a factor in this.