I use this 2 mm (would it be about 0.07874 inches in? ) thick plastic rod. Turbos have also made the same good, but the exhaust turbocharger is then milled Compression slightly less than half.
Not a single good page file does not seem to have any, otherwise would have put it up here.
But while a minor update to this project. Rear shocks were able to work under. On the left, a series of its own pristine, and the right small change experienced shock absorber.