wierd...Im in California and have the same stumbling issues as you. The tech told me that I could not have a vtv/restrictor or anything on the tube from the EGR to the modulator. So I took it off and used a straight piece before I smogged it and it still passed. So maybe its something else that...
I've been using this with my rotella . I'm no scientist but I think it works well
Rislone Hy-per Lube Zinc ZDDP Supplement - 11 oz. https://a.co/d/5a19YHw
I have one but haven't raced it yet. I was super into nitro on road for a long time and trying to get back into. Lots of folks at my local track has mentioned ways to improve the shocks by adding oil or ear plugs.
It's an axial scx24 rc kit. Then found a 3d printed body on etsy. After lots of sanding, glueing and primer, made a mount . Then started painting . Lots of work but it's a hobby for me
@iansplatinum
I hear you...total pain in the behind.
I went to the junk yard and found a bunch of different VTV's and none of them worked for me as all of them let out too much for me to find the sweet spot so I tried using a drip irrigation adjustable thing that I found at my local hardware...