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Discussion Starter · #1 ·
I have an issue, and I'm wondering if the problem is that the power piston spring is to stiff.

I have a q-jet and the issue I'm having is that if I go from a stop, to WOT, and then to full brakes (I have PB, if I disconnect booster I don't have this issue), the RPM's drop and it stalls.

After is stalls, it kind of acts like it is flooded. Could this be a problem of the power piston spring being too stiff? Or would that indicate an improper idle mixture screw setup, or a bad brake booster (to try and fix the problem, I just replaced the brake booster check valve, but that didn't have any effect).

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