If it is warped, this must be done to the block to return it to a flat surface. Straightness: A bent block will NEVER SEAL. A Fresh machined surface is the best way to set yourself for success. Surface: The Surface should be as free of damage as possible. The process can also be applied to the Cams. This prevents crank walk and can actually increase the longevity of the motor. The process of align honing resets the geometry of the Mains to the cylinder so that all the force is perfectly centered on the crank. It will need to be re-balanced to the new weight. The piston should be as tight as possible, the rings when compressed in the cylinder will almost be fully closed and make a full seal.Ĭhanging the pistons and Rods, will upset the balance of the crank. If you over the cylinder and not the piston, then that 10 THOU ends up exploding on the rings that are not designed to hold pressure in that way. Sometimes if it is required to take a bit too much metal off to get that nice round shape, an Overbore piston can be ordered, They are normally in the order of 10 or 20 THOU over. With normal use, the cylinder will not wear very much, however, if you miss oil changes, or AUTO-X the car, you might have scoring on the cylinder walls. The standard bore is the width (Diameter) of the cylinder. A bath that prepares the engine to be machined. A Bath of Nasty Chemicals which remove years of Crud and grease from the engine. Precise Torque Wrench (Head Bolts in/Lbs) (Socket, Wrenches, Hammers, Piston Ring Tool, BASIC TOOLS) Plus These Specifically. Oil Pump - OEM (May Not Be Required Unless High Miles) Oil Sprayer - OEM (Oil Jet Under Piston ) $100.00 (This is standard/stock part on the FS Engine) Rod Bearings - OEM Mazda or Clevite CB-1652P $100.00 Main Bearings - OEM Mazda or Clevite MS-2057 $100.00 I wanted to post up all the information so you could save much time.Ĭontact me directly at if you have a very specific question. I am in the process of building several spare motors for MP5T. This is not complete, I will Update with Pictures and Notes as the Engine is being rebuilt.
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