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Joined: Nov 2003
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i need to put the rest of my motor together.just covers oil,fuel water pumps.i need to know what how many pound to tighten everything.thanks jason
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These are not specific to a 250 but are generally accepted I think. Oil,Fuel,and Water Pumps: SECURELY to 20-25 ft.lbs Valve Covers,Push Rod/Lifter Covers:7-8 ft.lbs. Oil Pan:7-8 ft.lbs. except corner bolts 12-15 ft.lbs. Don't overtighten and squish any cork gaskets and make sure all bolt threads and threaded bores are clean. Also, after running the engine for a while, check for leaks and loose bolts/nuts.
Drew Mid-Atlantic Chapter
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Here goes...for the 250 from my manual in ft-lbs:
camshaft: - sprocket to cam: 35-45 - thrust plate to block: 12-18 connecting rod nut: 21-26 cylinder front cover bolts: 6-9 cylinder head bolds - in sequence: step 1 - 50-55 step 2 - 60-65 Damper or pulley to crank: 85-100 fuel filter to carb: 80-100 in-lbs EGR valve to spacer or intake: 12-18 fuel pump to cylinder block: 12-18 flywheel to crank: 75-85 main bearing cap bolts: 60-70 exhaust manifold: 18-24 oil filter insert to block: 10-15 oil filter: 1/2 turn after gasket contacts surface oil inlet tube to pump: 10-15 oil pan drain plug: who cares..but is 15-25 oil pan to block: 7-9 oil pump to block: 10-15 pulley to damper bolt: 35-50 rocker arm support shaft to head: 30-35 spark plug: 10-15 valve cover: 3-5 alternator bracket to block: 35-50 alt. adjusting arm to block: 15-20 alt. adjusting arm to alt: 24-34 thermactor pump bracket to block: 12-18 thermactor pump pivot bolt: 22-32 therm. pump adjusting arm to pump: 24-34 therm. pump adj. arm to block: 12-18 therm. pump pulley to pump hub: 130-180 in-lbs fan to water pump hub bolt: 12-18 carb mounting nuts: 12-15 carb mounting studs: 15 max. distributer clamp holddown bolt: 17-25
some of these things dont matter too much though with torque specs...u probabl know which ones matter or not...but if u need more help than its no bother to give more.
got my 78 merc with a 250 I6 and i love it.
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thanks for the time and the torque specs.now ill start putting thing together.
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Joined: May 2002
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Hey trueslayer, are you giving us Ford specs or Chevy specs? I thought you were a Ford guy. The "sprocket to cam" and "pulley to damper bolt" gave you away. Greg
1977 Chevy C10 SWB EFI 292 SM465
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UHHHH...HEHEHE...yea...FORD, sorry bout that, but most of the specs would still be the same being the same size engine...anyone care to clarify?
got my 78 merc with a 250 I6 and i love it.
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