Brake fluid pushing out the master cylinder

[jiggityjoe87]

Well I've been working on my 89 burb 2500 4wd and the front brakes are not functioning properly. When I hit the brakes with the master cylinder cover removed you can see a jet of fluid that shoots upward. So if I'm driving the burb fluid will get past the cover gasket and drop onto the exhaust. I have tried bleeding the front brakes and I did get a few air bubbles out but the problem still persists and I need to use this vehicle the day after tomorrow. Any input helps

Oh yea the jet of fluid comes from the front, larger fluid resevoir