I haven't really posted anything about the burnout car since we put it in the WSID Burnout Bonanza back in June. The reason for that is because we haven't really touched it since then. Burnout season is about to start so it's time to get the thing kicking ass!
We learnt alot from the burnout comp and found alot out about the car.
Strong points
- Power and gearing is up to scratch - I was able to get to 2nd gear limiter quite easily and the smoke was pretty instant. I think it'll do 3rd gear.
- Cooling - I was smoking it up for almost 3 minutes and managed to drive out with no leaking fluids. The gearbox was slipping on the way back to the pits which is bad, but we shouldn't be staying out there for that long in the future.
- Brakes - The VT front brakes on this thing are awesome and have no problem holding the car back.
Weak points
- Diff - the bodgie 25 spline cig locker 4.11 borgy is stuffed. We blew one axel, the other is twisted and the gears are minced from incorrect preload.
- Power steering - while it's great for doing skids, we keep throwing the belt off which makes steering it go from easy to virtual impossible.
- Fuel surge - As soon as I chuck it in for a heli the car loses power from fuel starvation. This was the reason why I was out there for so long, because I had to keep it in 1st when doing doughnuts to stop it surging.
- Car Presentation - the car itself looks like shit
We've got plans for all the weak points. I've ripped out the small borgy and thrown it in the bin. I was given a VN wagon diff (thanks Chocco!) which I've now bolted up to the car. The VN diff is far stronger than the original VK diff. The main difference is that it runs 28 spline axels standard. The VN axels are also heaps thicker than the VK ones. There are a couple of downfalls to the VN diff though, the main one being that its wider than the VK/VL diffs. You can't fit big wheels/mags on the rear with the VN diff, but stockies clear. Since this is a purpose built burnout car, we don't care, but this would be a problem for a street car. The other problem is that you can't run the original VK drums on the VN diff because the axels run different seals to suit disc brakes. You can either change the seal or run the VN discs. We chose to run the VN discs, which also means we have to change the handbrake cable. A disc brake rear on a burnout car sounds like a waste of time but it was easier for us to go this way since we had all the parts in the shed. The rear brakes are always going to be clamped when we do burnouts anyway so it makes no difference.
We're going to do away with the original fuel tank and run a small foam filled fuel cell in the spare wheel well, this should solve our fuel surge problems.
As for the power steering issue we are going to first look at the pully alignment before we rush into pulling it off. The power steering makes controling the burnout much easier but does rob a little hp and addes unrealiability.. But since it's already on there I'd like to try and keep it but if we keep having problems we'll source a manual steering rack and swap it out.
We're planning to do a quick backyard respray on the wagon to make it look presentable.
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