Thread: Questions about exhaust manifold bolts and oil dipstick tube
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Old 08-18-2017, 07:15 PM   #10
71CHEVYSHORTBED402
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Re: Questions about exhaust manifold bolts and oil dipstick tube
Quote:
Originally Posted by anew4961 View Post
the original bolts were grade 8 which you can get at tractor supply cheap they also had washers which were thick and locks all of you can get at classic parts America . hope this helps
Are you saying they're hex head or flange head, they use washers and lock washers?


Just for clarification, the first image below shows the common hex head bolt. The second shows a flange head bolt. Both claim to be BBC manifold bolts for our BBC trucks.
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71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assm. guide "kit" for restoring the truck from ground up. With assys, the guide accts for 1000s details, OEM identifications & part numbers, written in short order. 700+ images of assm., illust., charts, and points of interest. Much of the info. applies to all 67-72 GM trucks, and to a lessor degree all 67-72 GM vehicles. My build thread, and more on the guide https://67-72chevytrucks.com/vboard/...d.php?t=730025
Last edited by 71CHEVYSHORTBED402; 08-18-2017 at 07:24 PM.
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