747pwr Member 68 Member For: 13y 1m 8d Gender: Male Posted 28/12/13 02:24 PM Share Posted 28/12/13 02:24 PM Hi guysJust wondering how difficult it is to replace the factory head bolts with head studs while the motor is still in the car, does the valve train need to be removed or can I simply remove/replace one at a time and then torque them all down or Do I need to remove the head to make sure all the stud lengths come out the block the same?( am away from the vehicle atm or I would just remove the rocker cover and have a look.)Cheers Link to comment Share on other sites More sharing options...
AdamIan69 Bronze Donating Members 401 Member For: 10y 11m 29d Gender: Male Location: WA Posted 28/12/13 03:45 PM Share Posted 28/12/13 03:45 PM Depends on the diameter of the stud. I think it is with the 1/2 studs that needs the head holes to be drilled to 13mm. But don't quote my sizes. Link to comment Share on other sites More sharing options...
747pwr Member 68 Member For: 13y 1m 8d Gender: Male Posted 28/12/13 04:26 PM Author Share Posted 28/12/13 04:26 PM They are 12mm studs, no drilling needed. Link to comment Share on other sites More sharing options...
747pwr Member 68 Member For: 13y 1m 8d Gender: Male Posted 30/12/13 01:30 PM Author Share Posted 30/12/13 01:30 PM Basically im asking if I can pull the rocker cover off and take one head bolt out at a time and replace with the head studs. Surely other people have upgraded to head studs without taking the head off and while the engine is still in the car. Link to comment Share on other sites More sharing options...
needfordspeed Member 166 Member For: 21y 3m 28d Gender: Male Location: Melbourne Posted 30/12/13 01:53 PM Share Posted 30/12/13 01:53 PM I've done it this way before and it worked out fine, I'd do it again. Link to comment Share on other sites More sharing options...
Ralph Wiggum Moar Powar Babeh Lifetime Members 19,323 Member For: 18y 6m 27d Gender: Male Location: Perth Posted 30/12/13 01:57 PM Share Posted 30/12/13 01:57 PM Give it a whirl. Its not like head gaskets need consistent even presure to stay sealed. 6 Link to comment Share on other sites More sharing options...
747pwr Member 68 Member For: 13y 1m 8d Gender: Male Posted 30/12/13 02:20 PM Author Share Posted 30/12/13 02:20 PM Thanks guys, will be a week before I can do it so if anyone has some good/bad stories let me hear them! Link to comment Share on other sites More sharing options...
arronm Dropping a turd Gold Donating Members 9,520 Member For: 16y 5m 23d Gender: Male Location: Perth Posted 30/12/13 03:18 PM Share Posted 30/12/13 03:18 PM Give it a whirl. Its not like head gaskets need consistent even presure to stay sealed.You are an evil man. 1 1 Link to comment Share on other sites More sharing options...
jas98 Member 1,029 Member For: 11y 8m 27d Gender: Male Location: Maryborough Qld Posted 30/12/13 03:41 PM Share Posted 30/12/13 03:41 PM I would not do it..as soon as one bolt is lose then the head gasket is at risk....also when undoing head bolts they all should be loosened bit by bit on sequence, same as tightening them Link to comment Share on other sites More sharing options...
ms700 Moderating Team 10,170 Member For: 21y 2m 19d Gender: Male Location: Sydney Posted 30/12/13 05:31 PM Share Posted 30/12/13 05:31 PM dont listen to these blokesjust remember: professionals built the titanic 2 Link to comment Share on other sites More sharing options...
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