Performed club cleaning rejuvenation on oil forced air furnace. Voltage enhancement system factory specs 10uf actual is 10uf. Air movement system factory 8.7amps actual 3.30amps. Air movement blower wheel is clean. Checked all wiring connectors and harness are tight and secured. Checked high limit safety is good. Burner box is clean supply air 155 return air 90 heat rise of 65 degrees. Replaced oil filter and gaskets, replaced strainer and gasket, replaced nozzle with 60X.80A. Replaced air filter with customer supplied air filter 16X25X1 system is functioning as intended at this time.