C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Engine not heating up?

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Old Apr 16, 2015 | 11:16 AM
  #1  
Greg1209's Avatar
Greg1209
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From: North Vancouver BC
Default Engine not heating up?

I'm not sure what the issue is but if I take a reading of the engine temp at the thermostat, on the manifold, the temp only reads about 155 degrees. Just above that on the hose connection the temp is only about 130?? Basic engine specs:
ZZ3 crate engine
195 degree thermostat (recommended for ZZ3) I did test the thermostat in hot water and it opened and closed normally.

Could there be an air pocket at the thermostat? I'm pretty sure I've installed the thermostat properly - pointy end up :-) I've also tried a 180 thermostat with the same results?

Appreciate any ideas.

Thanks
Greg
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Old Apr 16, 2015 | 12:33 PM
  #2  
Greg1209's Avatar
Greg1209
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Intermediate
 
Joined: Feb 2011
Posts: 40
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From: North Vancouver BC
Default

And for what its worth the lower rad hose is not that warm at all - can grasp it
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