i have a fuel filter in the gas line under the tank.

valves were checked, and fixed.

now bigger problems, apperantly the previous owner put an insert into the block where a head stud stripped out. soo now i may need a new block

it still wont run right... we have put in new plugs and wires... still wont fire right. all cylinders have great compression.

help if yall can forreal, it is greatly appreciated.