I would definitely steer clear of UUC. Been trying to warranty a pair of bushings (that failed after 10k miles of light use) for well over a year, no dice. Good to see that they've finally started balancing their flywheels though, or at least started claiming to. :rofl:
Bimmerworld has much better stuff and their customer service is much more competent. Never seen a failure of one of their JB racing flywheels, clutch-masters usually makes really good stuff too.
Make sure you get a steel ball-pin to replace the plastic one in your car. I also recommend a new guide tube "while you're in there."
That's because your clutch was practically an on/off switch.
Same thing with the E34 M5 I've noticed. Very strange stuff.
A dual mass in good working order won't have much of a different throw, it's when the dual mass starts to fail that the throw becomes longer.
The hydraulic system will automatically compensate for the longer distance, no need to double up on the caps. It's similar to the piston on a brake caliper as the pad wears down. The system will automatically compensate for it, which is why you don't (shouldn't) notice a difference in pedal travel as your brake pads wear down.
Bimmerworld has much better stuff and their customer service is much more competent. Never seen a failure of one of their JB racing flywheels, clutch-masters usually makes really good stuff too.
Make sure you get a steel ball-pin to replace the plastic one in your car. I also recommend a new guide tube "while you're in there."
That's because your clutch was practically an on/off switch.

What I found on E30 tranny's is that the dual mass flywheels exist in certain models and I don't know if there is definitive information out there that tells which models had them.
In either case, the problem you should see with the lighter fw is a difference in the throw of the clutch pedal since the clutch has to disengage from a farther distance if it was a dual mass originally.
I think it was a 1/4" thickness difference when I compared the two fw's. I had a solution if were going to be a problem... the piston on the clutch slave has a rubber cap that can be doubled up or lengthened so that the its travel is reduced to normal. I don't know if all of that is true though because the widths may be nominal when considering the amount that the pedal travels.
Either way, perfect time for a pedal stop. That clutch/fw setup engaged and disengaged in such a small deflection of the pedal! It was so ridiculous that we would stall the motor a couple times before getting used to it again. It engaged in something like 1/4 of an inch... super grabby!
Either way, perfect time for a pedal stop. That clutch/fw setup engaged and disengaged in such a small deflection of the pedal! It was so ridiculous that we would stall the motor a couple times before getting used to it again. It engaged in something like 1/4 of an inch... super grabby!
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