Originally Posted by
ezveedub
Hold the motor by the crank and rotate it till it comes up on compression and hold there with the head sitting a 3 o'clock position. If it has leakage, it will flop over past TDC and sit at 6 o'clock. This means the compression is too low and will need a new p/s set. On the crank, minor marks are fine, but if its completely scared full 360 and you feel them with your finger nail, either dirt entered the motor or the rear bearing is loose, allowing the crank to rub the case.
fyi
most vspecs will fail the 3oclock test. mine has 2 gallons maybe and mine fails, many others who own a vspec will say the same.
there one i read of that had 20 gallons on it, fails the 3o clock test but runs like a champ, ill try to find the article