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03-28-2018, 08:11 PM | #61 |
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Join Date: Jun 2014
Location: Melbourne, Australia
Posts: 7,496
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Re: Getting my 1931 Model A Coupe go start
Yes, Definitely NOT the way to go. Bolts use the coarse thread in the block so torquing them to 55 ftlb, won't give the same downward pressure on the head as the finer thread on the top of studs. Unless they are torqued to way more than 55, expect a leaky head gasket.
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03-28-2018, 09:40 PM | #62 |
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Join Date: Jun 2014
Location: Land of Lincoln
Posts: 3,131
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Re: Getting my 1931 Model A Coupe go start
Standard torque for course threaded nuts and bolts is less than fine threads. Which makes me believe that course threads put more pressure on what is being secured. If the bolts holding the where torqued to 55, then it may be over torqued. I’ve wondered why course threaded studs in the block and fine threaded nuts
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03-28-2018, 10:29 PM | #63 |
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Join Date: Mar 2017
Location: Chino
Posts: 45
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Re: Getting my 1931 Model A Coupe go start
Yes. I got it running. Thats interesting that you guys are talking about the head gasket. I actually noticed some smoke coming out different areas of the head gasket & also seemed like the gasket was bubbling from heat, almost like a gasket wasn't used but instead some kind of tar. I don't know???? I was going to pull the head & install a copper head gasket. Would this be the way to go & also I'm assuming you guys are saying I should replace the bolts with studs & nuts. If that is the case can I replace them with studs & nuts from an 8ba flathead. I just so happen to have a whole flathead motors worth of studs from a flathead I took apart that was bad.
Thanks fellas Josh |
03-28-2018, 10:38 PM | #64 |
Senior Member
Join Date: May 2010
Location: Oregon
Posts: 5,963
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Re: Getting my 1931 Model A Coupe go start
Buy new studs and nuts they are cheap insurance. When placing them just run them into the block slightly snug with some blue LockTight on the threads. When the head is off make sure it is good condition and perfectly flat.
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03-29-2018, 08:55 AM | #65 | |
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Join Date: Jun 2015
Location: Red Deer, Alberta
Posts: 5,046
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Re: Getting my 1931 Model A Coupe go start
Quote:
It works.
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If you don't hear a rumor by 10 AM, start one!. Got my education out behind the barn! Last edited by katy; 03-29-2018 at 08:56 AM. Reason: Addition |
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