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Old 06-01-2013, 07:30 AM
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camaro cooling issues

Hope i'm in the right pew for this question . We just put a 3 core aluminum rad with a 14 in electric fan in my 78 camaro witha big block buick engine (bbb 455) . The boys put a switch for the fan in the back of the intake (edelbrock ) and wired the switch in .The setup seems to work ok but cuts in higher than i like and seems to take a while to cool down . This rad also came with a shroud which covers the inside quite nicely except where the fan goes of course .The cfms of the fan i,m sure of , but i'm thinking i may have to take out the lower grill which is solid from factory for more air flow . Also i have kicking around an adjustable on off electrical switch and probe which would cut the fan in sooner . Maybe this would be better . I'm sorry i don't know more of the specs at the moment as this was a surprise by the kids . I think the switch is 200 210 on and 190 off .Would it help to move the switch from the rear of the eddy manifold to the front of the manifold ? and tee the temp gauge for the car with the fan temp switch , or is there another place in the 455 block the a guy can put in a temp . sensor ? There i should have totally confused you all . Later Bake

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Old 06-01-2013, 08:14 AM
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probably need the sensor closer to the rad.The grill is plenty.I used a factory rad with a 454 in my 80..

are you also using a fan on the water pump?and,,,is the tune correct?
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Old 06-01-2013, 09:32 AM
m/w m/w is offline
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455cooling issues

no belt driven fan on engine , will be going over the tune as we speak also what kind of relay did you use on the 454 for cooling fans ? maybe i should go back to the adjustable cut in & cutout .I am currently using 160 thermosate & it works . The motor when i ran fan clutch would run fairly cool unless it was flogged on for a long time at high speeds .The engine is back a tad farther than it should be and had to mickey mouse a shroud for it that worked pretty good .I thought that electrics would do away with that but we will see . Thanks for the info and have a good day . Later Bake
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Old 06-01-2013, 09:48 AM
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I long ago sold the Camaro.
My current Corvette uses the adjustable sensor/switch it came with.I do not use a thermostat I use a restricter,most people prefer a thermostat. I use a single dimple core rad and do not use a water pump fan.the sensor is in the thermostat housing.It turns the fan on when Im idling in traffic.It rarely comes on if Im moving more than 30 mph.
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Old 06-02-2013, 09:24 AM
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re: cooling issues

So my timing light went south and i'm off to work so i can get a decent light ,the car runs good now but after 30 40 miles starts to creep up on heat . So just throwing it out there am i to far advanced or retarded , maybe my water pummp ain't what it used to be or ??????? . later bake
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Old 06-02-2013, 09:31 AM
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late timing can cause excessive heat.I had headers glow red with late timing
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