Head Torque for 4.2
 

I am looking for the proper torque for the heads on 4.2 V-6's, a friend of mine has had one rebuilt, and doesnt know the torque specs.... found the specs but the book I found listed the head bolt torque at 36 ft-lbs... that seems awful light. What do you guys think?

Thanks for any help.
Tim

Sorry. i hate to leave you hanging with no replies...but I really have no idea. I would suggest going to your local library and checking out a Chilton or Hayes if they have one. Most do. Sorry I am not much help...

torque specs: FT-lbs unless otherwise indicated
cylinder head bolts (oiled)
step 1...............................168 in-lbs
step 2...............................29
step 3...............................36
caution: when following the torque sequence for the V-6 engine, at step 4 do not loosen all the bolts at the same time or the gasket will not seal properly. loosen the first bolt in the sequence, tighten it to final torque (steps 5 and 6) then go to the next bolt in the sequence, loosening and tightening the bolts untill the sequence is completed.
step 4..............................loosen 3 turns ( do not loosen all bolts here. follow caution)
step 5
long bolts..................30 to 36
short bolts.................15 to 22
step 6(all bolts).................tighten an additional 175 to 185 degrees

get yourself a haynes manual! as i was told to do recently.....they are invaluable, and interesting

Thanks Guys
 

I will forward this to my friend, and see if he has come up with some specs as well.

Thanks
Tim

Go to Google and ask about expc 4.2 torque and they will tel you all the expc For your engine
 

I am doing my 1998 F 150 4.2 v6 now,so I went to Google and write my truck year,model and make and ask for the torque especifications and the show me all of them.you will need a degree tool to do the job.hope I help you somehow