One of the things I’ve been needing to do is replace my exhaust supports. I originally built them to the plans from Vetterman Exhaust which involved supporting them from the engine mount. This puts stress on the exhaust as the engine shakes at startup and shutdown since the exhaust can’t move with the engine. It’s better to support the exhaust from the sump so that it can move with the engine. I ordered some 0.035″ wall thickness, 3/8″ OD stainless steel tubing and some MIL6000-6 rubber tubing which is the same as what came from Vetterman. I cut the tubing to length and flattened each end so I could drill holes and bolt it to the sump and exhaust support. There is about 1/4″ gap between the upper and lower tube, and I put a small flare in the end to keep the tubing from pulling out. Here’s the lower end of the left support.
You can see the upper end has a bend to align with the sump.
Here’s the left side. This support runs tight against both pieces of SCAT tubing. I’ll keep an eye on this for chafing. If it does, I can fabricate a bracket to move the lower attach points outward and then reroute the forward SCAT tube so there is no interference.
