so i got a prob... i did motor swap... everything is hooked up car is done... i filled it up with radiator fluid, started car... runs great 100% but after running for few mins sitting still... it will start to over heat like get hot hot.... so i kill the car... and i waited good 2 hours... walked out side and took out the bleed screw on radiator hose that goes to block... let car run for good 10 mins with it out.... put screw back in... was doing good for few more mins.. went to test drive.. i back out and bam over heats... so i kill it.... now im asking you guys should i burp it again? any help would be great... thanks.