after i replaced mine i noticed it still leaked, they gave me a broken heatercore! damn them! i found on my second time changing it it didn't take so long, maybe a little over hour. it went really smoothly. hope yours goes better the second time!
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89 GT AOD w/ shift kit, B&M rachet shifter, Trickflow intake, Crane (E-type) cam, 70Tb, 75MAF, 1.6 Rockers, Pulleys, MAC headers and H-pipe, Dynomax mufflers, K&N, 3 core radiator, white face gauges, custom interior, cobra R rims. 14.9 at 95.07mph with stock 2.73's.
89LX 2.3 Notch, daily beater!
MY89GT