1989 Chevy S-10 Engine Overheating

1989 CHEVROLET S-10
78,000 MILES • 4 CYL • 2WD • MANUAL
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The two center ports on the exhaust manifold get glowing red hot but the front and the rear are normal. The vehicle was running fine. The timing gear broke so I replaced timing gear set and this problem started. Other than that the vehicle runs fine. It starts and runs normally. Can anyone help?
Nov 29, 2009 at 11:30 AM
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RASMATAZ
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