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What are the torque specs for stock bolts?

What are the torque specs for stock bolts?

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.

What are the torque specs for a Ford engine?

Ford Engine Bolt Torque Chart Fastener Type Torque Spec 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.

What are the torque specs for a boss 351C?

If you use after-market performance bolts like ARP’s, you should follow the recommended torque specifications. 351W Torque Spec. 351C, 351M Torque Spec. 40-45 ft-lbs. (45-50 ft-lbs. For Boss 351C) 105 ft-lbs. (125 ft-lbs. For Boss 351C)

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.

If you use after-market performance bolts like ARP’s, you should follow the recommended torque specifications. 351W Torque Spec. 351C, 351M Torque Spec. 40-45 ft-lbs. (45-50 ft-lbs. For Boss 351C) 105 ft-lbs. (125 ft-lbs. For Boss 351C)

What should the torque be on an ARP bolt?

If you use after-market performance bolts like ARP’s, you should follow the recommended torque specifications. 40-45 ft-lbs. (45-50 ft-lbs. For Boss 351C) 105 ft-lbs. (125 ft-lbs. For Boss 351C) 40-45 ft-lbs. (53-58 ft-lbs. For 406 and 427) 80-90 ft-lbs. (100-110 ft-lbs. For 1963-67 427)

How much torque does a small block Chevy have?

Small Block Chevy Torque Specs Fastener Type Torque Spec 7/16 in. Outer Main Cap Bolt 65 ft.-lbs. 7/16 in. Inner Main Cap Bolt 70 ft.-lbs. 3/8 in. Outer Main Cap Bolt 40 ft.-lbs. 11/32 in. Connecting Rod Bolt 38-44 ft.-lbs.

What should main bearing caps be torqued to?

Main bearing caps on 318 engines should be torqued to between 85 and 90 lb-ft., while 360 engines should be torqued to 85. The books also specify two different types (strengths) of main bearing cap bolts. They also specify a two-step torque procedure again, as well as a specific pattern to use (Image above).

What should intake manifold bolts be torqued to?

Intake manifold bolts on SBC engines should be torqued to 30 lb-ft in a two-step sequence. First time around, set your torque wrench to 20, follow the pattern, then repeat the pattern (image above) again after setting the wrench to 30. The image above shows the torque pattern to be used when reinstalling the heads on any SBC engine.

What are the torque specs for SBC engines?

Intake manifold bolts and head studs/bolts have to be torqued in a certain pattern and to a certain torque spec in order for your engine to work properly. Intake manifold bolts on SBC engines should be torqued to 30 lb-ft in a two-step sequence.

How big are the bolts on a Ford engine?

Bolt Sizes: Flywheel to Crankshaft Bolts: Four 7/16-20 by 13/16″ Long Flywheel Housing to Block: Four 7/16″-14 by 1 1/16″ Long and two 7/16-14 by 1 11/16″ Long Timing Cover Bolts: 3/8″-16 by 1 1/8″ Long Side Timing Gear Bolts:One 7/16″-14 by 2 3/16″ Long and one 7/16″-14 by 1 3/8″ Long (lock washers can be used)

Is there a torque specifications repair guide for Commander?

Find out how to access AutoZone’s Torque Specifications Repair Guide for Commander 2006-2007. Find out how to access AutoZone’s Torque Specifications Repair Guide for 300, 300C & Magnum 2006-2008, Charger 2006-2008. Find out how to access AutoZone’s Torque Specifications Repair Guide for Cherokee, Grand Cherokee, 1999-2005.

How big are the torque bolts on a Ford Mustang?

Ford Engine Bolt Torque Chart Fastener Type Torque Spec 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.

What should the torquing specs be on a HO engine?

Note: Be sure to lightly oil the bolt threads for proper torquing specs for bolts not in the water jackets, otherwise use liquid thread sealer for the bolts that are in the water jackets (bottom ones).

How much torque does a 6.8 liter engine have?

Step 1 = 40 Nm, 30 lb.ft Step 2 = + 90 degrees Step 3 = + 90 degrees Click for Ford Super 6.8 liter engine manuals and specs Click to Get Other Ford specs, bolt torques and manuals.

What are the torque specifications for a 4.3L V6?

900 101.69 Vortec – Main Bearing Cap Bolts Type: Bolt 81 972 109.82 Vortec – Main Bearing Cap Bolts Type: Bolt 77 924 104.4 Vortec – Main Bearing Cap Bolts Type: Bolt 15 180 20.34 Vortec – Main Bearing Cap Bolts – 2 Steps: 15 FtLbs; +75degs Type: Bolt Crankshaft Position Sensor To Engine Block 8 96 10.85 Type: Bolt

What kind of torque does a 5.0L 305ci have?

Type: 75 900 101.69 Chevy Small Block – 25-50-75 Step – Not Outer Bolts Type: 65 780 88.13 Chevy Small Block – Outer Bolts on 4 Bolt Cap Type: 65 780 88.13 Chevy Small Block – 25-45-65 Helical Sequence Type: Distributor Clamp To Engine Block 20 240 27.12 Type: 20 240 27.12 Type: 35 420 47.45 Type: Engine Temp Sensor To Intake Manifold 20 240 27.12

What kind of torque does a Chevy small block have?

900 101.69 Chevy Small Block – 7/16 in. Bolt – Rod Cap Type: 75 900 101.69 Chevy Small Block – 25-50-75 Step – Not Outer Bolts Type: 65 780 88.13 Chevy Small Block – Outer Bolts on 4 Bolt Cap Type: 65 780 88.13 Chevy Small Block – 25-45-65 Helical Sequence Type: Distributor Clamp To Engine Block 20 240 27.12 Type: 20 240 27.12 Type: 35 420 47.45

What is the torque of a 104.4 Vortec bolt?

104.4 Vortec – Main Bearing Cap Bolts Type: Bolt 15 180 20.34 Vortec – Main Bearing Cap Bolts – 2 Steps: 15 FtLbs; +75degs Type: Bolt Crankshaft Position Sensor To Engine Block 8 96 10.85 Type: Bolt Crankshaft Position Sensor To Engine Block 15 180 20.34 Type: Bolt Cylinder Head To Cylinder Head 65 780 88.13 Type: Bolt

What should the torque be on a 350 Chevy head bolt?

Torquing is a bit tricky if you’re using the TTY bolts. For the LS1/LS6, torque all of the fasteners in sequence to 22 ft.-lb. Then, turn all bolts in sequence by 90 degrees. On the next pass, turn all of the bolts in sequence except for those on the front and the rear of the head by 90 degrees.

What are the specs for head bolts on YouTube?

– YouTube Head bolt torque specs and pattern. If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.

How much torque does a small block head bolt have?

Small Block Ford Head Bolt Torque Specifications 260, 280, 302 Stage 1 : 50 Ft/Lbs Stage 2 : 60 Ft/Lbs

How much torque does a Boss 302 head bolt have?

The main thing is do the 3 stages and arrive at a final torque setting for your configuration. Small Block Ford Head Bolt Torque Specifications 260, 280, 302 Stage 1 : 50 Ft/Lbs Stage 2 : 60 Ft/Lbs Stage 3 : 70 Ft/Lbs Boss 302 Stage 1 : 45 Ft/Lbs Stage 2 : 55 Ft/Lbs Stage 3 : 70 Ft/Lbs 289HP and 351W

– YouTube Head bolt torque specs and pattern. If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.

How many head bolts does a Ford SBF have?

This is the Head Bolt Torque Sequence (Pattern) for Ford’s small block. This includes 260, 289, 302, Boss 302, 351W and related variants. The Good and Bad of the head bolts on the SBF is that their are only 8 of them. This makes it easy to torque and lower cost for better aftermaket bolts and studs.

How much torque does a troque engine have?

Main bearing cap bolts. Torque: 39 N·m (29lb ft) NOTE: Do not allow the crankshaft to rotate. Crank case Main Bearing side bolt Torque: 39 N·m (29lb ft) Connecting Rod Cap bolts Torque: 54 N·m (40 lb ft). Install main bearing caps, oil gallery and crank case bolts in the order shown, and tighten each bolt to the specified torque.

What are the torque specs for a Chevy big block?

Bolt Torque Spec Chart for Chevy Big Block Chevy Fastener Type Torque Specs Main cap bolt, 396-427 2-bolt 95 ft.-lbs. Main cap bolt, 396-454 4-bolt (inner/outer) 110 ft.-lbs. 3/8 in. connecting rod bolt 50 ft.-lbs. 7/16 in. connecting rod bolt 67-73 ft.-lbs. Cylinder head bolts, long 75 ft.-lbs. Cylinder head bolts, short 65-68 ft.-lbs.

If you use after-market performance bolts like ARP’s, you should follow the recommended torque specifications. 40-45 ft-lbs. (45-50 ft-lbs. For Boss 351C) 105 ft-lbs. (125 ft-lbs. For Boss 351C) 40-45 ft-lbs. (53-58 ft-lbs. For 406 and 427) 80-90 ft-lbs. (100-110 ft-lbs. For 1963-67 427)

What should the torque be on a torque table?

Torque specifications are shown either as an exact figure, or a specific range. Follow any special instructions or multi-step directions carefully to assure correct final torque. There may be different specifications for different size bolts, bolts in different positions, tightening bolts in several stages, or a cold engine vs. a warm engine.

Torque specifications are shown either as an exact figure, or a specific range. Follow any special instructions or multi-step directions carefully to assure correct final torque. There may be different specifications for different size bolts, bolts in different positions, tightening bolts in several stages, or a cold engine vs. a warm engine.

What are the torque specs for a SBC engine?

To properly assemble your engine use the guidelines below: Bolts or Parts Lube or Sealer Torque to: 11/32 Connecting Rod Bolt Engine Oil 35 ft-lbs. Cylinder Heads Head Bolt Torque Order Sealer 65 ft-lbs. Rocker Studs (screw-in) Sealer 50 ft-lbs. Oil Pump Engine Oil 65 ft-lbs.

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Ruth Doyle