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#1
07-10-2019, 04:33 PM
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428 engine for sale
Fresh rebuild - hasn't run
YH code Cast date C249 Casting number 9792988 Bored 0.030 over, honed to 0.0045-0.0050 clearance square decked to 0.009 above pistons 0.060 thick, 4.23 bore Cometic gaskets, 10cc dish piston Crankshaft casting number 9782769, date code 4CFD Magged ok, ground 0.010/0.020 Rod Bearings: Clevite C77-CB-758P-010 Main Bearings: Clevite FMP-4221M-020 Rear seal: BOP 3.25 inch on piece Heads: #62 Dates J298 (D) and J148 Checked at 74 and 73cc Port matched to intake Rocker ratio (1.5:1) stock New valves and springs all machined by a shop out in Fredericksburg Rods: stock, inspected and side clearanced to 0.012 Pistons Keith Black ICON 4.150 diameter PN IC-892-.030-8 Forged Rings CR7560-25 file fit 4.155 diameter Ring gap set to mfg spec, 0.017.0.020, top and 2nd Camshaft Comp Cams PN 51-224-4 XE274H-10 Int/exh 230/236, lift 0.488/0.491, LSA 110 Time chain Comp Cams PN 3212 Installed straight up Lifters Comp Cams PN852-16 Cam Bearings, Dura Bond standard size Gasket set and Harmonic Balanacer (Powerbond) from Butler performance Butler stand conveys. Will help load. In Owings, MD (20736). Bought it from another forum member last fall to put in my '69 and ran out of time before a move. I put in break-in oil and have been turning it over by hand at least once a month with the crank at 90 degree intervals while oiling it. $3,000/obo Britt (571) 329-3439 |
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#3
08-15-2020, 09:52 PM
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What is the compression
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