Thread: when should I paint my block and heads, before or after assembly?
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Old 09-13-2009, 07:02 PM
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screamingchief screamingchief is offline
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Originally Posted by 66 LeMans
I noticed that Doug1 has 2 sending units (I presume they are sending units) on the water cross over of the intake manifold. Why 2? is one for temperature before the thermostat opens and one after? a check to see if the thermostat opens on time?
Or is it something else?
Likely one is for the gauge,and the other one controls the electric fan(s).



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