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lugnut5 · 04-26-2007, 09:36 PM

I just rebuilt a '66 289 Ford engine, all is new other than block & heads. I went to start it, but it would not fire. Had lots of pressure in radiator so i pulled the spark plugs out. Passenger side cylinders are fine. Driver's side cylinders have coolant spraying out of spark plug holes when cranking the engine over: obviously causing the pressure in the radiator. No porting was performed on the heads, but new three angle valve job, new valves, springs, locks and retainers were installed. Block was bored .030 over. Fel - Pro gaskets were used throughout the engine. New Performer intake manifold and gaskets. Thought I had done everything correctly. Any ideas as to what might be the cause of this problem? This is in a numbers maching 66 Mustang, so my buddy is very concerned of this problem. Hoping for some help before friendship is lost. Thanks for your suggestions.

Lugnut

04-26-2007, 09:36 PM	#1
lugnut5 Junior Member Join Date: Dec 2002 Location: upstate N.Y. Posts: 8 Likes: 0 Liked 0 Times in 0 Posts	289 ford water in cylinders I just rebuilt a '66 289 Ford engine, all is new other than block & heads. I went to start it, but it would not fire. Had lots of pressure in radiator so i pulled the spark plugs out. Passenger side cylinders are fine. Driver's side cylinders have coolant spraying out of spark plug holes when cranking the engine over: obviously causing the pressure in the radiator. No porting was performed on the heads, but new three angle valve job, new valves, springs, locks and retainers were installed. Block was bored .030 over. Fel - Pro gaskets were used throughout the engine. New Performer intake manifold and gaskets. Thought I had done everything correctly. Any ideas as to what might be the cause of this problem? This is in a numbers maching 66 Mustang, so my buddy is very concerned of this problem. Hoping for some help before friendship is lost. Thanks for your suggestions. Lugnut