fisch Posted September 1, 2008 Report Share Posted September 1, 2008 Just for the sake of discussion, here is a hypothetical question on buying a new engine. What is cheaper or at least more logical in the long run for a guy with few skills and little time. (Yeah I know it is best to do it yourself and learn, but I am no machine shop!) Option #1- Starting price $1600+shipping to purchase a built ebay l20b motor ready to drop in? (Assuming the right oil pan is on there.) Option #2- $200-$300 starting price for a mystery dirty scrap yard l20b and paying to have it built to the ebay level? (more that likely by a non datsun expert) Assuming neither come w/ accessories like starters and manifolds and alt. Here is what the ebay l20 motors have going on: PROFESSIONALLY REBUILT U67 HEAD FOR AND L20B SERIES DATSUN. GREAT FLOWING HEAD AND GOOD COMPRESSION. THIS ENGINE HAS NEVER BEEN INSTALLED ON A CAR SINCE IT WAS REBUILT. REBUILD PROCESS INCLUDES...Core has been weld repaired due to some corrosion around the water jackets, but looks and works fine now. 1. Complete disassemble, Inspection and Pressure test 2. Re-Surface all 3 sides, Intake Gasket Side, Head Gasket Side and Valve Cover Gasket Side 3. 3 Angle Valve Job 4. Reconditioned Rocker Arms 5. Cleaned, and Installed OEM stock Springs, Retainers and Lash Pads 6. Full Set of new Valve Seals 7. NEW Camshaft. 8. All threads cleaned and repaired as needed 9. Full Reassembly and Valve adjustment HEAD INCLUDES: PERFORMANCE 490/290 POLISHED CAM AND MATCHING PARTS. IT ALSO HAVE THE RARE 1MM COMP HEAD GASKET, RESURFACED ROCKER ARMS. CORRECT THICK LASH PADS . COMPLETE HOT TANK CLEANING, HEAD GETS PRESSURE TESTED AND 3 ANGLE VALVE JOB. LEVEL SURFACED BUT NOT "SHAVED" TO CHANGE COMPRESSION. ONLY .005 OF MATERIAL REMOVED, THEN FINAL VALVE ADJUSTMENT. NEW HARDEN SEATS, NEW VALVE STEMS AND GUIDES ARE REPLACED IF NEEDED, THREADS ARE CLEAR AND CLEAN TOO. THE BLOCK IS A L20b WITH NEW PISTONS, SEALS, FELPRO GASKETS AND NEW BEARINGS. IT WAS COMPLETELY BALANCED TOO. ENGINE INCLUDES OIL PAN & VALVE COVER, TIMING COVER, NEW WATER PUMP AND NEW OIL PUMP. THE HEAD WAS CLEANED, RESURFACED AND THEN CHECKED AND PASSED. THE HEAD AND BLOCK ARE PERFECT NOW. ALL VALVES ARE IN EXCELLENT SHAPE. Quote Link to comment
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