Question about 1984 Ford F 250

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Rocker Arms Need torque specs for hydraulic rocker arms on 1984 Ford F-250 6 cylinder engine.

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  • Anonymous Mar 28, 2014

    3.8 liter, v 6

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  • Contributor
  • 27 Answers

17-23 Ft/Lbs.

Posted on Jun 18, 2008


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Found this info in 1970 motors auto repair manual.

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Could it be a F-150 instead?
Ford Engine Bolt Torque Chart Bolt Torque Spec Chart for Ford Engines

These specs are for stock-type bolts with light engine oil applied to the threads and the underside of the bolt head. Moly and other lubes offer reduced friction and increased bolt tension, which will affect the torque figure. If you use after-market performance bolts like ARP's, you should follow the recommended torque specifications.

260, 289, 302 Torque Spec.
Fastener Type Torque Spec Main cap bolts 60-70 ft-lbs Outer main cap bolts 35-40 ft-lbs. Connecting rod bolts (40-45 ft-lbs. for 289 HP & Boss 302) Cylinder head bolts 65-72 ft-lbs. Rocker arms 17-23 ft-lbs. Intake manifold bolts 23-25 ft-lbs Oil pump bolt 23-28 ft-lbs. Cam bolts 40-45 ft-lbs. Cam thrust plate bolts 8-10 ft-lbs. Harmonic damper bolts 70-90 ft-lbs. Flywheel / flex-plate bolts 75-85 ft-lbs. Pressure plate bolts 35 ft-lbs. Front cover bolts 12-15 ft-lbs. 351W Torque Spec.
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Fastener Type Torque Spec Main cap bolts 95-105 ft-lbs. Connecting rod bolts 40-45 ft-lbs. (45-50 ft-lbs. For Boss 351C) Cylinder head bolts 105 ft-lbs. (125 ft-lbs. For Boss 351C) Rocker arms (non-adjustable) Rocker arms (non-adjustable) 5/16in. intake manifold bolts 21-25 ft-lbs. 3/8in. intake manifold bolts 28-23 ft-lbs Oil pump bolt 25 ft-lbs. Cam bolts 40-45 ft-lbs. Cam thrust plate bolts 9-12 ft-lbs. Harmonic damper bolt 70-90 ft-lbs. Flywheel / flex-plate bolts 75-85 ft-lbs. Pressure plate bolts 35 ft-lbs. Front cover bolts 12-18 ft-lbs. 360, 390, 406, 427, 428FE Torque Spec.
Fastener Type Torque Spec Main cap bolts 95-105 ft-lbs. Crossbolts for 406-427 40 ft-lbs. Connecting rod bolts 40-45 ft-lbs. (53-58 ft-lbs. For 406 and 427) Cylinder head bolts 80-90 ft-lbs. (100-110 ft-lbs. For 1963-67 427) Rocker arm shaft bolts 40-45 ft-lbs. Intake manifold bolts 32-35 ft-lbs. Oil pump bolt 12-15 ft-lbs. Cam bolts 40-45 ft-lbs. Harmonic damper bolt 70-90 ft-lbs. Flywheel / flex-plate bolts 75-85 ft-lbs. Pressure plate bolts 35 ft-lbs. Front cover bolts 12-15 ft-lbs. 429-460 Torque Spec.
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Torque spec's for the fly wheel


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These specs are for stock-type bolts with light engine oil applied to the threads and the underside of the bolt head. Moly and other lubes offer reduced friction and increased bolt tension, which will affect the torque figure. If you use after-market performance bolts like ARP's, you should follow the recommended torque specifications.

260, 289, 302 Torque Spec.
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www.gbodyolds.com/forum/showthread.php?754-Oldsmobile-Torque...
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www.autozone.com/...Cutlass...1987.../Rocker-Arms/_/P-0900...

AutoZoneGM Cutlass RWD 1970-1987 Repair Guide ... To remove the rocker arms from the shaft, the nylon arm retainers must be removed. ... 7: Engine valve system, 260, 307, 350, 403 Oldsmobile built engines ... Unfasten the two bolts that attach the rocker arm pivot to the cylinder head. ... Torque the retaining bolts to 25 ft. lbs.

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How to agust tappets on a 250 pre cross flow ford 6


If you have hydraulic lifters(tappets) then you turn the adjusting screw 1/4 turn past the point where there is no noise from the rocker arm. If you have solid lifters, then you'll have to get the cold clearance spec for that engine and adjust accordingly.

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1 Answer

2001 grand cherokee 4.0l valve rocker torque specs


5 million made.
it's in the fsm book
posted here over 300 times.
are you asking , how to set rockers ?

chapter 9 page 27
------------------text fsm---------------------
INSPECTION
Inspect the pivot surface area of each rocker arm.
Replace any that are scuffed, pitted, cracked or
excessively worn.
Inspect the valve stem tip contact surface of each
rocker arm and replace any rocker arm that is deeply
pitted.
Inspect each push rod end for excessive wear and
replace as required. If any push rod is excessively
worn because of lack of oil, replace it and inspect the
corresponding hydraulic tappet for excessive wear.
Inspect the push rods for straightness by rolling
them on a flat surface or by shining a light between
the push rod and the flat surface.
A wear pattern along the length of the push rod is
not normal. Inspect the engine cylinder head for
obstruction if this condition exists.
INSTALLATION
NOTE: This procedure can be done with the engine
in or out of the vehicle.
(1) Lubricate the ball ends of the push rods with
Mopart Engine Oil Supplement, or equivalent and
install push rods in their original locations. Ensure
that the bottom end of each push rod is centered in
the tappet plunger cap seat.
(2) Using Mopart Engine Oil Supplement, or
equivalent, lubricate the area of the rocker arm that
the pivot contacts. Install rocker arms, pivots and
bridge above each cylinder in their originally position
(Fig. 23).
(3) Loosely install the capscrews through each
bridge.
(4) At each bridge, tighten the capscrews alternately,
one turn at a time, to avoid damaging the
bridge. Tighten the capscrews to 28 N·m (21 ft. lbs.)
torque.
(5) Install the engine cylinder head cover (Refer to
9 - ENGINE/CYLINDER HEAD/CYLINDER HEAD
COVER(S) - INSTALLATION).

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2 Answers

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with the motor off, tighten all rocker nuts until there is no slack between the rocker arm and the tip of the valve stem. Make sure each rocker is on the heel of the cam, this proceedure can be done one cylinder at a time or you can follow the ford V-8 cylinder identification for valve clearence sequence. I like the one cylinder at a time, it's a little slower but I think it's more accurate. after all rockers are set to the above mentioned clearance, start the motor and let the oil pressure build up in the lifters. At this point you should have installed the oil deflector clips on the rockers, just above the oil squirt holes, otherwise, things get a little messy. when the oil pressure is up, tighten down on each rocker until the engine starts to miss. At this point back off enough to clear the engine idle up and move on to the next rocker. Hope this helps.

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