I have a couple of problems that maybe someone has an idea about, the first is at idle I pump the brakes and the car doesnt stall but the the idle will lower alot, it seems like vacuum to me, but i am not sure what to check.
The second problem is the carb stutters, it seems to be in between 2000 and 3500 rpm, the car will buck alot and only stops if you floor the gas. It does this in all gears. Thanks for any help you might have.