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Old 01-22-2022, 04:36 PM   #6
57taskforce
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Join Date: Jun 2014
Location: Land of Entrapment
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Re: Heater Not so Hot / Consistent

Where on the intake are you getting the supply from? There should be way more than a trickle coming out of the return hose at the radiator. 150-160 should produce some heat but isn’t going to be really hot. With the 190 thermostat in my K20, it will roast you out in no time unless it’s way below freezing out. Sounds to me like you may have the heater hose on the intake plumbed in the wrong place. It should be supplied with coolant from the passenger side front pipe bung of the intake.
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'57 3100 http://67-72chevytrucks.com/vboard/s...d.php?t=813888
'72 K20 Cheyenne: 5” lift, 35’s, front dana 60 blah blah blah… http://67-72chevytrucks.com/vboard/s...d.php?t=662879
‘69 K10 SWB: 4” lift 33”s… in a million pieces http://67-72chevytrucks.com/vboard/s...d.php?t=805206
'98 Silverado LT K2500HD ECLB Vortec 454/4l80E: 6" lift 35x12.5x20’s
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