ITS Ford Mustang(s) Build - Stripper Stang Part II

[Ron Earp]

...so you are quite literally tuning the drive shaft?

That one looks like a B-flat.

K

Basically. Jeff just sent calculations indicating one of the vibration modes that most affects his car will hit around 4933 RPM and others after that. In consulting with a smart fellow at one of the driveshaft places here in NC it turns out they're already well aware of the phenomenon and have dealt with it on numerous cars over the years.

I don’t think I have posted on this thread before but I have read it religiously. You have done a great service to the community by documenting the builds. Most people have no idea what it takes to build a car that has not been developed yet. When people complain that they have developed their car and it is not competitive I point them to this thread. When people say “I will build the car I have rather than buy a car” I point them to this thread.

Thanks for the thanks, glad you enjoyed it. Somewhere along the way we picked up the "Bag of Yay" phrase which was used to described any situation, subassembly, job, or part that was going to end up causing us a buttload of work and/or make our build difficult. Suffice to say, in building any new car there are lots of of these situations. Looking back it'd be pretty easy to draw a build plan for one of these cars and significantly reduce or eliminate all of these problems so at least we're proving we can learn. But you know, building a car is fun because learning and solving problems is enjoyable and exercise for the mind. Those Bags of Yay, while annoying, are part of the process and milestones for how progress is measured.

[adamjabaay]

I bought a car

I ended up redoing almost everything, at least a little



6 in one, 1/2 dozen in another


this thread is one of my favorite anywhere. How's he doing balancing on the driveshaft?

[Ron Earp]

Race cars are highly personal for most of us. It'd be a bit hard to get a car, even if "perfect" to someone else, and not end up changing quite a bit of it. I know I've had my fair share of that scenario with my old Z. The Z was an old race car, and with many previous owners, so it came with a lot of issues that were solved in some rather unconventional ways.

In the end I think that we got most of the problems sorted out and it went on to become a reliable and fast race car. But it was never *my* car. I tried as best I could to make it so, but unless you're starting from scratch it is a difficult goal to obtain. And, as soon as you're finished building a car from scratch that is yours, it isn't too hard to have a look at it and find all sorts of ways to improve it for V2.0. Such is the nature of race cars.

[Racerlinn]

But you can't tuna fish.

[joeg]

Ron--Did you ever figure out what caused the main cap to crack?

[Ron Earp]

Negative on the main cap. It could have been installation error. It could have had a small crack for quite a bit of time and finally revealed itself. The vibration harmonics could have had something to do with it, but I doubt it. We won't ever know, but at least the rebuilt motor is doing just fine and doesn't seem to have issues. Its making more power than mine and has already survived twice as long as the one with the main cap failure.