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| | | | Joined: Mar 2010 Posts: 207 Shop Shark | | Shop Shark Joined: Mar 2010 Posts: 207 | I got my exhaust pipe and muffler put on the truck yesterday. This is a single exhaust on a 230 with stock manifold. I was trying find the torque spec for the two bolts that hold the exhaust pipe flange to the manifold. The last thing I want to do is crack or break one of the threaded exhaust holes in the manifold. I have two studs into the exhaust manifold, course thread into the manifold and fine thread for the nuts that secure the pipe flange to the manifold. I have the donut between the two. I tightened them up to less than 10-lbs right now until I find out.
Thanks,
Tom
1965 Chevy C10, 230 straight six, 2WD, 4-speed manual
| | | | | Joined: Aug 2010 Posts: 775 'Bolter | | 'Bolter Joined: Aug 2010 Posts: 775 | Not sure of a value but I suggest you use brass nuts. I tighten them until the donut is slightly compressed. | | | | | Joined: Jul 2006 Posts: 240 'Bolter | | 'Bolter Joined: Jul 2006 Posts: 240 | Use the brass nuts, and after tightening the first nut I put another nut on and jam it up againse the first nut.
You Learn more Listening than Talking
| | | | | Joined: Mar 2010 Posts: 207 Shop Shark | | Shop Shark Joined: Mar 2010 Posts: 207 | Thanks guys. I'll replace the nuts with brass.
Tom
1965 Chevy C10, 230 straight six, 2WD, 4-speed manual
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