Question about 2000 Ford Focus

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How do we calculate the exact torque on the cylinder bolt if we dont know the right specs of the engine.only basis is 1500 hp thanks

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Look up torque specifications in the Engineers Handbook. I found a copy using Google search. The charts give the specs. by bolt size and hardness. Bolt and nuts have the hardness forged as marks on the top of the fastener. Three marks is a five (don't ask me why), five is a seven hard, etc. The diameters and thread patterns are given for each type.

Posted on Mar 25, 2011

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Flywheel torque spec's for 1983 Ford F-100


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Torque spec's for the fly wheel


Ford Engine Bolt Torque Chart Bolt Torque Spec Chart for Ford Engines

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26002143-2qxw3km0vcnqu3setvnduoab-2-1.gif

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2_17_2012_6_58_18_pm.jpg

Fig. Cylinder head bolt loosening sequence - Altima & Maxima 3.5L engine

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2_17_2012_6_59_54_pm.jpg

Fig. Right cylinder head bolt torque sequence- Altima & Maxima 3.5L engine


2_17_2012_7_00_21_pm.jpg

Fig. Left cylinder head bolt torque sequence- Altima & Maxima 3.5L engine

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day

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Head Bolt Torque For your 1994 Oldsmobile Cutlass Supreme (3.4L SFI DOHC): clearpixel.gif Foot pounds (Final torque) clearpixel.gif Note: Torque sequence --------- | 6 2 3 7 | | 5 1 4 8 | --------- Step 1: torque in sequence to 33 Ft/Lbs Step 2: turn an additional 90 degrees Recheck final torque in sequence *** CAUTION ***engine uses Torque To Yield head bolts (TTY) thatpermanently stretch during the initial installation.New head bolts must be used when cylinder head isreplaced or re-installed to obtain proper torque. clearpixel.gif clearpixel.gif clearpixel.gif Foot pounds (Final torque) clearpixel.gif Note: Torque sequence --------- | 8 4 1 5 | | 7 3 2 6 | front --------- of engine | 6 2 3 7 | | 5 1 4 8 | Step 1: torque to 40 Ft/Lbs --------- Step 2: turn an additional 90 degrees Recheck final torque in sequence *** CAUTION ***engine uses Torque To Yield head bolts (TTY) thatpermanently stretch during the initial installation.New head bolts must be used when cylinder head isreplaced or re-installed to obtain proper torque.

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