Goodyear actually sells hose springs. They're expensive too. I chuckle every time I see one. No properly sized run of the mill spring (preferably stainless) would ever work 
JTG: The spring will get you going but it isn't going to work if you have a restriction so be sure the suction screen is clean. I know you said it was but...
Buy the right hose as soon as you can. If you want to avoid future grief clean everything, flush the system, and refill with synthetic Dexron III or V. Add a Magnefine filter in the return line too: http://tinyurl.com/yed4wx
JTG: The spring will get you going but it isn't going to work if you have a restriction so be sure the suction screen is clean. I know you said it was but...
Buy the right hose as soon as you can. If you want to avoid future grief clean everything, flush the system, and refill with synthetic Dexron III or V. Add a Magnefine filter in the return line too: http://tinyurl.com/yed4wx