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Urraco P300 |
Last updated March 31, 2004 |
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  OEM Lambo P300 piston and liner... with only 11,000 miles. Note "dry" looking bearing shell caused by oil starvation.  Block with modified liners. Note O-ring inserts, desirable for compression reatios greater than 11:1.  Cylinder head after epoxy vacuum sealing, showing larger solid stainless steel exhaust valves. The OEM Livia sodium "passivated" exhaust valves are a disaster "waiting to happen" and they are not "balanced" from a flow perspective with the intake side. The vacuum sealing prevents coolant leaks from the water passages, a real problem because of poor overall casting density in the OEM design.  New JE Pistons. Note .0025" clearance, ideal for low blow-by. Also note liner "retainers.  Plexiglass crankshaft alignment jig.  New JE Pistons with modified, magnafluxed, straightened and "peened" rods, new rod bolts and nuts, a must for durability! Note Fiat X1/9 bearing shells for increased oiling reliability.  Magnafluxed, straightened, and micropolished crank. Note Ferrari bearing shells which have better hydrodynamic oil loading characteristics.  Template for redesigned windage tray. No, it's not a dry sump but it's miles better than the OEM "design solution."  Ready for the Dyno Room!  Motor and transaxle assembly ready for reinstallation.  Completely installed with new fuel delivery system. |
1976 Lamborghini Uracco P300 #20342 Engine Rebuild |
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