350 overheating, ticking sound
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Junior Member
Joined: Feb 2002
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350 overheating, ticking sound
My '88 GTA runs up to 240 degrees after being on the freeway. Sometimes it gets above 225 in city driving. I know that i dont have a air dam underneath. How else can you tell if the thermostat or waterpump isnt working without taking either out. With the engine cold and the radiator cap taken off, the coolant moves around.Also there is a ticking sound around the intake manifold.Any help would be appreciated. 
Supreme Member
Joined: Jan 2001
Posts: 7,164
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From: Someone owes me 10,000 posts
Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
You answered your own question. Without the air dam that's why you're running 240* on the freeway. As for the 225* in town, if your cooling system is stock then that is normal, the fan doesn't kick on till 230*.
Supreme Member
iTrader: (1)
Joined: Mar 2001
Posts: 2,181
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From: Cherry Hill, NJ
Car: 92 Trans Am 'Vert
Engine: 305 TPI
Transmission: 5 Speed
Get that bottom air dam. I had the same problem cause my dam got ripped off... With it back on its a night and day diff.
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