p24-1953 Posted November 9, 2011 Report Posted November 9, 2011 heres a link to a video question. http://s182.photobucket.com/albums/x117/ykp53/?action=view¤t=VIDEO0067.mp4 since i shot this video i have tested the radiator and when the lower hose is removed i do get a stream of water about 6-7" high like the man. states so i think it is good. And i have removed the bottom two freeze blugs and they were clean. i did notice that my water pump did not turn freely so i will comapr it against the new one coming tommorow. maybe i was getting poor circulation due to that. I am pretty sure i will leave the tube, unless i hear a compeling reason to fight it. Quote
randroid Posted November 11, 2011 Report Posted November 11, 2011 P-24, Have you ever noticed in a factory or other large building that has an exposed ceiling that the pipe for the sprinkler system gets smaller after every sprinkler head? That's to keep the water pressure even through the length of the pipe, otherwise the far end sprinkler would just dribble and be ineffective against a fire and all the orphans huddled in that corner would burn. The water distribution tube acts the same way so #6 cylinder gets its fair share of coolant and if you have leaks (which it appears you do) the purpose of the tube is defeated. It can be a real bugger to remove the old one but there are posts on how to do it without taking a BFH to the block or any of the orphans. Do a search here for "water distribution tube" and you'll find several methods. It's important to do it. -Randy Quote
Rusty O'Toole Posted November 11, 2011 Report Posted November 11, 2011 If the tube is rusted out you will have all the water streaming up the front of the motor. The front cylinders will run too cool while the back cylinders run too hot. This is one reason they put the heat gauge sensor at the back of the motor. An electronic temp sensor will tell the tale if your motor is running. Front and back should be the same temp or close to it. Quote
54Illinois Posted November 11, 2011 Report Posted November 11, 2011 I shoved a hose in the tube on my motor. Water jetted out the back . Quote
busycoupe Posted November 11, 2011 Report Posted November 11, 2011 I recently replaced my water pump because it had a rattle in the bearing. Before I removed the pump I shot the temp of the head and block at many places using an IR/laser thermometer. It was 160 deg. near the water pump and near 175 at the back of the head near cylinder 6 and the heater valve. The temp along the block was between these values. When I had the pump off I tried to pull the tube, but it was not going to move without a fight, so based on my temp measurements I decided to leave it alone. Dave Quote
1flipdog Posted November 13, 2011 Report Posted November 13, 2011 these tubes are easy to remove if you have a welder. Just weld a u to the front of the tube, put a large screw driver or some other type of pry bar through the u and pry it out. If it is good remove the u and reinstall. Quote
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