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426 exhaust manifold bolts
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Gary(WI) View Drop Down
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Joined: 27 Nov 2009
Location: WI
Points: 993 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Gary(WI) Quote  Post ReplyReply Direct Link To This Post Topic: 426 exhaust manifold bolts
    Posted: 05 Jun 2024 at 8:46am
Do 426 exhaust manifold bolts actually have different tread pitch then 1/2 x 13   
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injpumpEd View Drop Down
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Joined: 13 Sep 2009
Location: Walnut IL
Points: 4859 		Post Options Post Options   Thanks (0) Thanks(0)   Quote injpumpEd Quote  Post ReplyReply Direct Link To This Post Posted: 05 Jun 2024 at 10:18am
No, but they did use a "self locking" type of bolt. I use regular grade 8 on the puller. 
210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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SteveM C/IL View Drop Down
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8159 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 06 Jun 2024 at 1:05pm
They must of used that locking thread for a reason. Ed's isn't together for 1000's of hours so he has no trouble.
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