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| Head Cold https://www.slantsix.org/forum/viewtopic.php?t=23209 |
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| Author: | slantfin [ Wed May 16, 2007 8:31 am ] |
| Post subject: | Head Cold |
I've always torqued the cylinder head bolts when hot. If I'm assembling the head, what do people recommend for threadlocker, thread sealer and initial torque (cold)- I'm guessing one should re-torque when hot. Thanks for your input. I looked for a specific article on this forum, but didn't notice any. |
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| Author: | Dart270 [ Wed May 16, 2007 9:43 am ] |
| Post subject: | |
I have never torqued the bolts hot, since the new gaskets do not need retorque. No threadlocker is needed, and I usually go higher (75-85 ft-lbs) than the FSM spec. I use oil on the threads, which some people don't like, but I've never had a gasket/bolt problem up to 11:1 and I've done 30-50 head swaps on Slants. Lou |
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| Author: | slantfin [ Wed May 16, 2007 10:23 am ] |
| Post subject: | |
Thanks Lou, Maybe I'm thinking of some of the mainifold studs that need thread sealer because they are open to the water jacket? |
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| Author: | slantzilla [ Wed May 16, 2007 2:15 pm ] |
| Post subject: | |
Quote: Thanks Lou,
Just the end 2. The rest are blind holes. Maybe I'm thinking of some of the mainifold studs that need thread sealer because they are open to the water jacket? 
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| Author: | slantfin [ Wed May 16, 2007 2:21 pm ] |
| Post subject: | |
The end near the thermostat? |
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| Author: | dakight [ Wed May 16, 2007 3:46 pm ] |
| Post subject: | |
Quote: Quote: Thanks Lou,
Just the end 2. The rest are blind holes. Maybe I'm thinking of some of the mainifold studs that need thread sealer because they are open to the water jacket? |
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| Author: | Doc [ Wed May 16, 2007 4:44 pm ] |
| Post subject: | |
All the manifold studs go into the water jacket but some heads have so much rust build-up, they don't leak coolent out the hole when the stud is pulled.  On head torque, I always recheck the head's torque after the first heat cycle. I never use any sealer or thread locker. I do put some anti-seize compound on the bolt threads before installing the bolts. DD |
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| Author: | dakight [ Wed May 16, 2007 5:24 pm ] |
| Post subject: | |
Whew! I was afraid I might have a damaged head. The one for the motor I mean.
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