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Front Engine Dragsters / Strange Brake Question
« on: March 30, 2024, 07:57:35 PM »
The title is actually a little bit of a play on words. I have a Strange Engineering B3362 (I think that's the number) Fast Fill master cylinder on my FED's brakes. Other than bending a brake pushrod last year the brakes have worked fine. I replaced the whole master cylinder when that happened ($$$$) and the brakes have been fine. A problem developed today so we loaded up and went home.
If the driver steps on the brake pedal rapidly it feels solid and stays in place if you keep pressure on it. But, if he's "feathering" the brake, like during staging and then applies more pressure to footbrake the car the pedal drops slowly. I'm puzzled why it holds under quick application but leaks down with gradually increasing pressure.
Any thoughts before I tear into it early next week? I still have the old MC and have thought of putting it back on, but using the pushrod from the new MC since the old one had been bent slightly.
Now if anyone wants to help with my off-the-line stumble which is messing with our ET big-time, I'd be doubly grateful! Right now I'm more interested in making sure it will stop before I worry about making it go!
Lynn
If the driver steps on the brake pedal rapidly it feels solid and stays in place if you keep pressure on it. But, if he's "feathering" the brake, like during staging and then applies more pressure to footbrake the car the pedal drops slowly. I'm puzzled why it holds under quick application but leaks down with gradually increasing pressure.
Any thoughts before I tear into it early next week? I still have the old MC and have thought of putting it back on, but using the pushrod from the new MC since the old one had been bent slightly.
Now if anyone wants to help with my off-the-line stumble which is messing with our ET big-time, I'd be doubly grateful! Right now I'm more interested in making sure it will stop before I worry about making it go!
Lynn