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| broke a bolt....; broke a cam bearing cap bolt | |
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| Tweet Topic Started: Sep 19 2011, 05:57 PM (2,024 Views) | |
| Rustyss73 | Sep 19 2011, 05:57 PM Post #1 |
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ok so i just got my head back last friday from the machine shop and was happy they put in ss egsost valves and a valve grind.. and cleaned up the head surface. i put it all back to geather and was trying to torqe the cam bearing caps in the book it said that for 3 cyl 96 per ft lbs.. im thinken to my self thats way to mutch but hay its in the book wouldent you now it, i broke it.. how hard is it to drill it out and re thread it..?please say i dont have to pull the head again.. i dont have the cash flow for anuther gasket or head bolts.. |
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| Rustyss73 | Sep 19 2011, 06:00 PM Post #2 |
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oh and i did a quick compestion teast the motor hasent been fired off yet and its at 155 per cyl . am i right thinking that it should get better when it gets wormed up and driven a bit.. |
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| Memphis metro | Sep 19 2011, 06:01 PM Post #3 |
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Inch pounds friend inch pounds! http://www.harborfreight.com/1-4-quarter-inch-drive-click-stop-torque-wrench-2696.html |
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| Rustyss73 | Sep 19 2011, 06:08 PM Post #4 |
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i used a torque wrench on it a 3/4 drive one |
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| Memphis metro | Sep 19 2011, 06:09 PM Post #5 |
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You used a foot lb torque wrench when it should have been a inch pounder. If you look closely at the book it should make reference to it being in inch pounds. |
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| 91 ragtop | Sep 19 2011, 06:12 PM Post #6 |
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That should have been 8 ft pounds ( 96 divided by 12 ) and you need a 3/8 torque wrench not 3/4. Ken....... |
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| Rustyss73 | Sep 19 2011, 06:13 PM Post #7 |
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O.o outch... dammit i new i shoulda used my glasses Edited by Rustyss73, Sep 19 2011, 06:14 PM.
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| Memphis metro | Sep 19 2011, 06:14 PM Post #8 |
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I prefer using a inch pound torque wrench because when torquing small numbers with a foot pound wrench it is not as accurate and your torque wrench is hard to hear break at low settings. |
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| Rustyss73 | Sep 19 2011, 06:17 PM Post #9 |
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ok in reality i think it was a 1/2 drive one with a 3/8 adapter.. but eny ways i know now to look for the right one.. but my outher questions still havent been awnsered.any ideas..?? |
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| Memphis metro | Sep 19 2011, 06:18 PM Post #10 |
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Ideas, only one. Be careful or you will jack up a nice alluminum head. Was there any of it left sticking out? |
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| Rustyss73 | Sep 19 2011, 06:21 PM Post #11 |
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nope.. |
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| t3ragtop | Sep 19 2011, 06:27 PM Post #12 |
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Turbo3 and Twincam Tweaker
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did you break a stud in either of the outboard end caps or just a bolt from the middle one? those outboard studs will be hard to replace unless you have a good junk yard close by. |
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| Rustyss73 | Sep 19 2011, 07:46 PM Post #13 |
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there is a yard close by that has two of them... so not worried about replacing it just how to get it out |
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| Memphis metro | Sep 19 2011, 07:52 PM Post #14 |
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How about a picture for us? |
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| Rustyss73 | Sep 20 2011, 09:15 PM Post #15 |
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i took a couple pix but un sure how to post em here and i got a drill and a eazy out well broke the eazy out ,... so i figure at this point ill try to drill the hole to the right size and depth and re thread it if that dousent work ill go to the next size bigger and drill and thread it for that and use a long bolt with no head and use a nut welded to the right spot for the cap and get a nuther bolt for the top,... not a pretty fix but doable i think eny sugjestions..? |
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from the machine shop and was happy they put in ss egsost valves
and a valve grind.. and cleaned up the head surface. i put it all back to geather and was trying to torqe the cam bearing caps in the book it said that for 3 cyl 96 per ft lbs.. im thinken to my self thats way to mutch but hay its in the book
wouldent you now it, i broke it..
how hard is it to drill it out and re thread it..?





7:24 PM Jul 10