If I'm not mistaken there was quite a bit posted on this awhile back.
I even recall someone opting for STP but will wait for others to provide
Andrew Griffith wrote:
> Has anyone ever attempted to improve their road handling ability by going to
> a thicker oil in the front shocks?
> My front-end was very bouncy... it was like the shocks weren't even there
> much less working. So, I pulled the shocks off and discovered that I was a
> little short on oil, only about half full of very gray oil. I looked over
> the used oil closely and since I didn't see any sizeable aluminum particles
> I figured I'd just clean them up and see how they'd work before I replaced
> them, as you all know they are not cheap to come by.
> I pumped a lot of brake cleaner through them and when dry I gave them a good
> shaking to try to gauge the piston slop, didn't hear much. I was able to
> find some buna-s o-ring seals that fit and now I'm ready for oil... any
> A friend on mine said he used SAE 20W-50 engine oil in his Midget, but it
> was creamed by a drunk before it ever saw the road.
> Could the internal friction of the shock actually heat the oil to the point
> where it would start to thicken?