So I started out my evening like this.
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That's a diamond eye 3" psd down pipe. No such luck of it fitting as is. I gave the firewall the business with the big pry bar to give me enough room to get the 3" pipe down through there. I cut that tab off the tranny that Banks calls for being cut off. I did it with an aluminum specific cutoff wheel on the angle grinder. Those things are the bees knees. About 30 seconds and it fell off in a nice clean cool piece. Didn't hardly touch the wheel either.
So I cut the 3" elbow down to tighten it up and get it pointed generally down. I used a short extension piece to make up the connection between the elbow and the down pipe. Needed an angle cut there to make it meet up. Used the slip fit joint to align things and then tacked and welded it all up.
Didn't take a lot of pictures but here's the end result.
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Here it's laying beside the banks pipe. Could I have made the banks pipe work? Sure but this gives me a bigger down pipe. It also gives me a foundation for the exhaust system. I can take the other half of the down pipe and cut out the straight section at the end to put in the exhaust brake.
Need to figure out what flanges it takes. Seem to be 4" but they are not just v band. The have a cone and cup to them too. I'll have to get it down and get pictures. It's a pac brake. Brand new gov surplus.
Long story short, I'll finish welding it all up and then nickel plate it and wrap it. Same with the up pipe.
I'll pull the engine and give myself a little more clearance for good measure and paint the firewall.
On a separate note, I'm not at all happy with what I'm seeing under the cab. I see rust popping through in places. If it's rusting sitting in the garage the POR ain't doing much for it. [emoji35]
Progress.