![]() ![]() Too little clearance will result in scuffing and too much clearance reduces the effectiveness of the rings. Each piston is carefully matched for clearance with each bore. Chamfering any sharp edges on the piston reduces possibility of localized hot spots which cause pre-ignition and/or detonation. The pistons should be individually and carefully fit to the respective pins. ![]() The rod alignment and side clearance are also critical. ![]() Any burrs and irregularities will be removed from the rods, and always use new rod bolts and nuts. Generally the length of the rods will be controlled by working to the minimum manufacturer's clearance for piston to deck. All rods are reworked so they are EXACTLY the same length from crankshaft centerline to wrist pin centerline. If used the connecting rods will be carefully checked for imperfections and Magnafluxed. These procedures are also helpful in insuring longer engine life. We use fully grooved main bearings or groove or cross drill the crankshaft main bearing journals. The oil passages are then cleaned thoroughly with a good brush. Oil holes get chamfered and bearing surfaces polished. If your block is used we check it for cracks and have the journals ground to perfect angular index. ![]() The crankshaft must have correct angularity of the rod throws as well as be perfectly straight. After honing the block we boil it again, taking care to remove all honing grit from the bores and also from the lower end of the block. We then finish hone the cylinders to their proper size using a 220-280 grit stone and taking care to obtain a good cross hatch pattern. This is critical in our accurate and precision blueprinting process.Īfter align boring, cylinders are bored with the main bearing caps still torqued in place. Any variation in these areas will result in irregularities in combustion chamber volume. The V type block will be align bored to maintain perfectly equal deck heights and keeping the crankshaft parallel to the decks. Any surfaces we refinish will have all holes chamfered, and any casting burrs or irregularities will be ground away. We also inspect and analyze the block (especially if it's used) bolt holes would be re-tapped, cleaned and oiled, as well as their mating bolts. This is done by boiling the block, making certain water jackets are perfectly clean. How Eddies Performs The Engine Blueprint Processįirst, we make sure all parts are one hundred percent clean. These specifications are determined using our 35 years of engine building experience. This means hand building an engine with perfectly fit components using maximum and minimum recommended clearances. When we proceed with an engine build we always execute the entire engine blueprinting process. It also adds discipline to our process which decreases any chance of engine failure due to improper clearances. We feel Blueprinting your engine is completely nessassary to obtain maximum power and to insure the longest possible engine life and reliability. Eddies Performance About Us Contact Us Engineers Who Is Eddie Internet Special EZ Layaway Plan Testimonials Cancellation Policy Warranty Site MapĮngine Blueprinting By Eddies PerformanceĮngine blueprinting is a standard procedure utilized at Eddies Performance machine shop. ![]()
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