Before sinking a lot of money into rebuilding a block, you should Magnaflux the block to check for cracks and have it sonically tested to determine the thickness of the bores. Once you have selected a structurally sound block, the rebuilding process can begin. FE Block Architecture. All FE engine blocks share many common design features, which serve to separate them from the other Ford V 8 engine families 1. Deep skirt Y block design where the oil pan rail completely encases the crankshaft and mainbearings. HarmonicDampers. com by BHJ Dynamics Damper Technology White Paper General Motors Ford ChryslerMopar American Motors Accessories Installation Tools SFI Re. Chevy One Piece Rear Seal Crankshaft Kit 57 SBC Sale Price 174. Add to watch list Chrysler Dodge 27L DOHC crankshaft kit w bearings 27L Charger Magnum 300 Sebri. Unique bellhousing pattern that isnt shared with any other Ford engine. A 2 bolt motor mount pattern for pre 1. Baixar Csi Investigacao Criminal Dublado Avi. A 4 bolt mount pattern for later blocks, which can be retro fit into earlier applications. The Blocks Identification and Application. Ford FE engine blocks used for performance builds are generally selected from one of three groupings 3. While other blocks are out there, these three are the foundation for the vast majority of high performance street and track applications. The common singleweb style block is found in most 3. The vast majority of FE engine blocks have the straight two bolt main bearing caps. However, the 4. 27 engine had cross bolted main bearing caps for greater strength. Another view of the block shows the single main web reinforcement in detail. The thick main webs and deep skirt design provide excellent strength and help make the FE a very durable engine. Its interesting to note that the latest GM LS series and Ford modular series engines share this block skirt configuration, as well as having the cross bolted mains pioneered by the 4. FE. 3. 90 Blocks. The 3. 90 based blocks, which have an original bore diameter of 4. These were in production from the late 1. The common 3. 60 engine also utilized the 3. Mercury. The blocks from medium duty trucks are very similar to the 3. The medium duty truck blocks have a larger distributor shaft hole, requiring a bushing for passenger car use. There are several differences in 3. Perhaps the most obvious variance is the use of a double or reinforced main web design on the heavier duty versions of the block. Most of the mirror 1. It can also be found almost at random on other engines. If you have your choice, its probably the better piece, but the benefits are modest at best. Blocks. The 4. 28 blocks, used in numerous Galaxies, Thunderbirds, and high performance Mustangs andĀ Fairlanes, are far less common than the 3. These blocks are the basis for the famed 4. Cobra Jet engine and use a 4. Many 4. 28 engines were also used as industrial and irrigation power plants. The Cobra Jet and industrial blocks usually have the double main webbing. Blocks. The rarest and most desirable of the FE blocks is the revered 4. With a base bore diameter of 4. Thunderbolt or the NASCAR program. Mostbut not all4. FE engine. With very few exceptions, 4. FE bottom end. The center oiler design uses the same lubrication strategy as that employed in more common FE engines, while the side oiler design has a unique main feed galley along the side of the block hence the name. Side oilers can be said to prioritize main and rod oiling, with upper end lubrication being transferred through grooved camshaft journals more on this later. The standard single web provides essential support for the main bearings and crankshaft. Also visible is the annular oil grooves in the cam bearing bore. This groove feeds oil to the rocker assembly. The groove can be added to side oiler blocks to permit use of less expensive and more readily available cam bearings. Most 4. 27 blocks were used in high performance passenger cars and were never produced in large volumes. Many others can be found in marine applications, but rarely in industrial engines. Brass core plugs usually identify a 4. Earlier 4. 27 engines were all equipped with solid lifters, and have no provisions for lifter oiling conversion for hydraulics is possible, but difficult and expensive. Many of the service blocks, the few used in the 1. Cougar GTE, and the marine blocks usually have hydraulic lifter oiling provisions. In addition, many marine 4. The 4. 28 block bottom is visually no different than a 3. You cannot go by appearance alone when trying to identify an FE block. The vast majority of blocks produced were used in trucks and started life as 3. Passenger, service, or industrial 4. Many service blocks have vertical ribs on the exterior, and while these ribs do not add any appreciable strength, they likely make for a nicer pour during the casting process. The casting numbers as shown on this 4. Casting numbers on FE blocks are most often useful for exclusion, not for identification. As an example, a block with a 1. Some FE blocks had a partial VIN vehicle identification number very lightly stamped into them, but even this is not a hard and fast rule. An FE hunt is going to require a dial caliper, a flashlight, and some patience. A 4. 28 block and a complete stroker rotating assembly are shown. No grinding or block clearancing is required to install a 4. FE. The stroker kits take a normal 3. At Survival we generally use a Scat cast crankshaft in most of the builds, which has proven to handle more than 7. Diamond or Probe pistons, Scat 6. The 3. 90 based engines almost always exceed 5. The bigger 4. 27 based combinations have gone over 7. External Identification How Can You Tell What Youve GotĀ The short answer to this most frequently asked question is You cant, at least not from the outside of an assembled engine in the car. All FE engine block castings appear nearly identical, with the notable exception of the side oiler passages and cross bolts abovealong the oil pan rail on many of the 4. It takes a highly trained eye to notice the small cues that define a high value part from the mundane. And even the best parts scrounger often cannot make a positive identification from markings alone on an assembled engine. The 4. 27 cast into the lifter valley it looks cool, but it means little in terms of block identification. A 4. 27 marine block showing a sideoiler casting has been machined flat for motor mount clearance. The block is actually a hydraulic lifter centeroiler design. Conversion to a side oiler by drilling is often impossible due to the machining. The factory 4. 27 main web is shown in detail. You need to carefully make note of the engraved markings on the spacers and their location because each spacer belongs in a particular location.