Apple Hydraulics offers a service to rebuild them to competition specs.
My TR3 is hardest on the rear lever shocks on Greatrace, where we face hours
of roads much worse than most race tracks. I usually blow out one shock per
race, and have to top them up every 1500 miles.
There was a good article in British Car on performance rebuilding of lever
shocks, including how to make a washer with the right sized orifice and a
stronger spring for revalving. As I recall it also mentioned using light
synthetic engine oil as the fluid, I believe it was Mobil 1 5W-30. I like the
way it works, there sure isn't any bottoming out over big bumps, but it's
hard on the seals.
Steve Hedke
Great Race #45, 1957 Triumph TR3
britpac@aol.com
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