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Manifold bolt? |
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Anderslober 
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Joined: 30-July-2019 Location: Denmark Status: Offline Points: 319 |
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 Posted: 04-August-2022 at 8:40AM |
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I had to drill out the other side today. Bolt snapped after heating, whacking, drenching. No worries.
Yes….tapping…..what measurement are the studs? 5/8? I will try and tap for that.
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72 RS 351
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Joined: 04-September-2014 Location: Knoxville TN Status: Offline Points: 2083 |
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Posted: 04-August-2022 at 12:19PM |
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I doubt you will be satisfied with threads tapped into a cast iron manifold, that might be a last resort I'd consider.
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Don
73 Ranchero Sport "72 front end", floor shift/console, planning EFI 7000rpm 351-4V &4R70W 73 Ranchero GT 351C-4V 3.70 gears for sale later. 92 Lincoln Mark VII SE, OBDII 347/4R70W |
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Rockatansky
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Joined: 30-July-2010 Location: On The Road Status: Offline Points: 5637 |
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Posted: 06-August-2022 at 5:39AM |
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IIRC the replacement studs are 7/16-NC (National Course)
7/16"-14 x 2-1/4" to be exact |
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72 GT Ute
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