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  #1  
Old 02-22-2007, 10:13 AM
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Default Head Bolt Torque Specs

Here are the correct methods for torquing down your head bolts after replacing a head gasket or doing any head work. Also note these procedures are for stock head studs.
Here is a typical #'d layout of the headgasket. It is always a good idea to tighten the bolts in order from 1-10 for each step
Click the image to open in full size.

420a
1. Torque all center bolts to 25 ft-lbs, torque the 4 corner bolts to 25 ft-lbs
2. Torque all center bolts to 50 ft-lbs, torque the 4 corner bolts to 50 ft-lbs
3. Re-Torque all center bolts to 50 ft-lbs, re-torque the 4 corner bolts to 50 ft-lbs
4. Tighten all bolts in the sequence from #1-#10 an additional 1/4 turn.

7-Bolt 4G63
1. Torque all bolt to 58 ft-lbs in order
2. Loosen all bolts completely to 0 ft-lbs
3. Torque all bolts to 15 ft-lbs in order
4. Tighten all bolt 1/4 turn in order
5. Tighten all bolts an additional 1/4 turn in order.

ARP Head Studs
1. Tighten all bolts to 40 ft-lbs
2. Tighten in steps of 10 ft-lbs increments until the specified torque that you are looking for is reached. This can vary with the amount of boost you plan on running.
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Old 02-22-2007, 10:15 AM
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Default RE: Head Bolt Torque Specs

aparently this needs to be a sticky. . . or we could just scan the page out of the book for the people.
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  #3  
Old 12-29-2011, 09:13 AM
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Default

What is the sequence for a 2500 Turbo diesel Colt's head and specs
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Old 12-29-2011, 09:13 AM
 
 
 
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2005, 4g63, 99, bolt, bolts, diamante, eclipse, head, lancer, mitsubishi, sequence, spec, specs, torqe, torque


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