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erratic temp


pabunch
10-23-2012, 06:15 AM
I have a zz4 350 tbi all factory hookups. was having problems getting up to temp. tried everything, new everything... untill i forgot to put the radiator cap back on during a test drive and found it would go to temp and stay there tried putting it back on half way starts going up and drops back to 150 deg as long as the radiator cap is off runs normal any help out there

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