Yep, just don't try to torque it past 25 lbft
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| Author: | Goldbrocade_62 [ Mon Apr 12, 2010 9:59 pm ] |
| Post subject: | head studs |
Putting extra head studs on my 1275ls motor is it okay to use a head stud instead of the bolt at the thermostat end |
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| Author: | simon k [ Mon Apr 12, 2010 10:00 pm ] |
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yep |
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| Author: | graham in aus [ Tue Apr 13, 2010 12:05 pm ] |
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Yep, just don't try to torque it past 25 lbft
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| Author: | simon k [ Tue Apr 13, 2010 12:46 pm ] |
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graham in aus wrote: Yep, just don't try to torque it past 25 lbft
unless it's going to be a 3/8" stud? |
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| Author: | awdmoke [ Tue Apr 13, 2010 1:36 pm ] |
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Supposedly, yes no more than 25 lb That said, I did mine to 42 |
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| Author: | Drexxle [ Tue Apr 13, 2010 2:15 pm ] |
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i use two studs and a bolt at the thermostat housing. reason for this is if you want to change thermostat it makes it easier to leaver the engine steady and fitting over the two studs without a third one getting in the way. The one i use as a bolt is the one closest to the firewall. |
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| Author: | graham in aus [ Tue Apr 13, 2010 2:50 pm ] |
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Not sure that 'non s' blocks are very thick there  Can go right through into the water pump I think, especially when you are attempting a repair ....Why..... won't..... water pump....... turn 
I pulled a 3/8 clean out the block at about 40lbft, only evr do that once! I think it was about 1982....... 
I would only use 25 for any block / stud..... Where's the Doc...... 
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| Author: | GT mowog [ Tue Apr 13, 2010 3:23 pm ] |
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Weather it be 5/16 or 3/8 it should not be torqued more than 25ft/lb. The deck is too thin to do any more than that. . |
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| Author: | Goldbrocade_62 [ Tue Apr 13, 2010 3:45 pm ] |
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Thanks for that stud and 25ft/lb it is |
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| Author: | drmini in aust [ Tue Apr 13, 2010 7:28 pm ] |
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GT mowog wrote: Weather it be 5/16 or 3/8 it should not be torqued more than 25ft/lb.
The deck is too thin to do any more than that. . I agree. I use a 5/16" UNC bolt, and try not to tap right through into the water jacket. Both S blocks and all other 1275s are pretty thin in the deck there. |
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