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Tech & Fab
Rear rad hill climb woes
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<blockquote data-quote="Lil ugly" data-source="post: 691923" data-attributes="member: 3188"><p>It sounds like you might have a pump issue. Not in the sense that you have a bad pump or one that doesn't work but one that is operating at max capacity under normal conditions and not able to handle additional strain. I am assuming in your discussion that the hills you speak of are gradient of 30 degrees or so and that on slight hills you don't have this issue. You would be adding a lot of head pressure to your system when on a steep incline. Not sure if I can describe this in the proper manner. When trying to move water with a pump uphill it will only move water up a certain distance before the weight of the water overcomes the pump and it no longer can move the water. Provided you stay under that pumps maximum lift height you never have a problem. In your case at level or minor incline you don't have an issue. Too much angle though and the weight is just too much for the pump to move. Try putting the rig on a stationary incline and see if it gives you a temperature spike. If it does you may need to add a small 12v boost pump in your system or check and see if you need to eliminate something that is choking down your system. Tight bends that kind of thing.</p></blockquote><p></p>
[QUOTE="Lil ugly, post: 691923, member: 3188"] It sounds like you might have a pump issue. Not in the sense that you have a bad pump or one that doesn't work but one that is operating at max capacity under normal conditions and not able to handle additional strain. I am assuming in your discussion that the hills you speak of are gradient of 30 degrees or so and that on slight hills you don't have this issue. You would be adding a lot of head pressure to your system when on a steep incline. Not sure if I can describe this in the proper manner. When trying to move water with a pump uphill it will only move water up a certain distance before the weight of the water overcomes the pump and it no longer can move the water. Provided you stay under that pumps maximum lift height you never have a problem. In your case at level or minor incline you don't have an issue. Too much angle though and the weight is just too much for the pump to move. Try putting the rig on a stationary incline and see if it gives you a temperature spike. If it does you may need to add a small 12v boost pump in your system or check and see if you need to eliminate something that is choking down your system. Tight bends that kind of thing. [/QUOTE]
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