Pontiac 400 Engine Build - Pump Gas Pounder at Automotive.com
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Pump Gas Pounder - Pistons - Pontiac Tech

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Pontiac 400 Engine Build - Pump Gas Pounder
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Bottom End
Block Description'67 400
PreparationClean and mag, fill to water jackets with hardblock,
bore and finish-hone to size using a torque
plate, wash and assemble
Deck Height10.235-in
Crank455 turned down to 3-in mains
PreparationBalance rotating assembly
BalancerProfessional Products SFI-approved
RodsBME aluminum, 6.625-in, 0.020-in side clearance
BearingsFederal Mogul, main clearance 0.0025-in, rod clearance 0.003-in
PreparationOil feed holes opened up
PistonsSRP 4.185-in forged, 0.005 piston-to-wall clearance
Piston to Deck Height0.005-in
Piston PinsSRP with spiral locks
RingsTotal Seal 1/16-, 1/16-, 3/16-in, Moly top, cast iron second
PreparationFiled-to-fit, 0.018-in gaps
Rod BoltsARP 2000
Head StudsARP
Main StudsARP

Oiling System
Windage TrayNone
Crank ScraperTin Indian Performance
Oil PanMoroso
Oil PumpMelling M54ds
PreparationSpring shimmed to increase pressure

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