[MattW]

Just for info on the pistons - if you put it with the recess to the top, then you don't create that vacuum / stiction at the bottom!

You point on composite chassis always being the same / straight isn't true either tbh. Ask anyone that's "been around a while" and run a B4 for any length of time, and they'll tell you that every chassis is different. I was always happy with my car, but decided to replace the chassis as it was getting on a bit. After that I had massive understeer - until I put the old one back on and guess what, steering came back! I then snapped that chassis in half and Jimmy got a nice picture of it in a race report many years back - but that's another story! There are positives to moulded chassis for sure, but not necessarily as you've mentioned. Schumacher are generally going down the moulded side pod route like many other manufactures are now.