After 69,000 miles on my 2000 Savage, I FINALLY decided to take the plunge and do the white spacer mod. I filed it down to 2/3. Putting the needle/spring/slide back together, and finally succeeding, I thought "I am now qualified to do microsurgery!"
I immediately noticed improved performance and greatly increased mpgs (from 50 before to 60 after). However, soon after I started to notice it tried to stall when decelerating from 55+ when stopping or turning, and mpg dropped to about 47. Tracked it down to the infamous petcock issue. Keep in mind I am certain that this was the original petcock that came on the bike.
Has anyone else had this "coincidence" - modifying the white spacer and then having a failed petcock? Is there any logical explanation from any of our mechanical geniuses on this site? Just wondering