Torque Converter going bad?

Hey, does anyone know what are all the possible symptoms of a torque converter going south? Thanks.

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1981 Olds Delta 88 455/th400/3.23 posi

1988 Trans Am WS6, 355/T5/3.27 posi; RPM heads and Intake; Crane Fireball cam; Holley 750 carb; soon Comp RXE294H; th350 & 10" converter.

1994 Trans Am LT1/T56, no cat; Hooker CB; Hotch. SFC and STB; Ripper shifter; Poly mount; Lakewood LCA; K&N FIPK; Hypertech Airfoil; soon to port&polish MAF; Sprint springs & Bilstein shocks; GM Motive 4.10; Hypertech PowerTuner III

normally you will notice more slippage (higer stall) or a vibration.. sometimes you can hear a rattling noise at idle. You may also see some metal on the dipstick. Problem is, once it goes, it more often than not takes the tranny with it

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Texlurch - 68 Camaro (Just a little ol' LT1 with a Hot Cam, I SWEAR ;)
" a little spray never hurt anyone, spank you very much!"
or the old standby:"I came here to race, not sell real estate. You ain't scared, is ya?"