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Go Back JeepForum.com > General Jeep Forums > Jeep Builds > Oscar the TJ gets a CUMMINS

FS: 2007-2013 Jeep Wrangler "HALO" Angel Eye KitFlowmaster's Force II Axle-back exhaust system for the 201FS: Wranger BRIGHT License Plate LED! Just $3! Great value

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Unread 09-23-2012, 08:01 PM   #241
03Jeeper
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I can't wait to see a video with that stack. That's ****ing badass. Keep up the awesome work.

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Unread 09-26-2012, 01:32 PM   #242
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Progress report?
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Unread 09-26-2012, 11:18 PM   #243
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Progress report as requested.. i have been busting my hump to get this beast running on the road . Def not gonna make it to JEFF DANIELS JEEP SHOW.. i am very upset about it but my slave clinder wont be here until friday.

I got all my piping finished with a lip for the clamp to grab onto. I used an exhaust clamp and a airhammer with a bullnise chisel . Worked great but wore my arms out.

Now on to my exhaust suprise. I wanted something that would make the exhaust pop alittle more, as if it needed it. So i started with a 12 inch wide by 27 long 16 ga piece of aluminium . Went to a local machine shop and had them cut out JEEP in the dead center.



forumrunner_20120927_011408.jpg

Then started drilling 1/2 holes every 2 inches offset by 1 inch. After about 50 holes i ended with this.



forumrunner_20120927_011513.jpg

Then this morning i took it back to the machine shop and had them roll a radius in it. Brought it home and used some one inch stand offs welded to the stack and ended with this beauty.



forumrunner_20120927_011700.jpg



forumrunner_20120927_011718.jpg



forumrunner_20120927_011740.jpg
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Unread 09-26-2012, 11:32 PM   #244
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Then i moved onto the exhaust hanger. I used stock stuff which i cut and welded for my application .



forumrunner_20120927_012209.jpg



forumrunner_20120927_012232.jpg



forumrunner_20120927_012252.jpg



forumrunner_20120927_012309.jpg

Then because i felt i needed to strengthen the battery support i welded in a piece of angle iron



forumrunner_20120927_012418.jpg



forumrunner_20120927_012437.jpg


So while welding the support piece in i thought to myself wow my left leg is really warm. Like warm water running down my leg, well i know i didnt pee my pants so my curiosity got the best of me.

I look down and see my left leg on FIRE.. I think ah no big deal so i hit it with my glove NO DICE it keeps burning . No joke i bet i hit my leg four times to get the fire out.


forumrunner_20120927_013028.jpg

Thankfull i didnt get burnt but upset me becuase i love these pants. They are made by Columbia and are crazy comfy, just not welding proof..
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Unread 09-26-2012, 11:34 PM   #245
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Then moved on to the front drive shaft u joints. Got my u joints replaced as well as the centering kit on the cv side.



forumrunner_20120927_013412.jpg
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Unread 09-26-2012, 11:36 PM   #246
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Now I have to admit... I love the diesel jeep concept... but have never liked the stacks on them, and refuse to to it to mine.

Having said that... I must give you credit. I like that more than any other stacked Jeep I have seen. The combination of the sick custom cover and the clearance lights bring it together a bit for me.
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Unread 09-26-2012, 11:39 PM   #247
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That brings everyone up to speed.

I plan on getting everything out to powder coat but Tuesday.

The exhaust and piping are going to be flat black and my heat shield i am going to paint the same as my JEEP which is forest green.

Also i am ordering the DIY tube fender kit from Offroad Utopia. I need to replace my driver side fender and for the cost of the kit i couldnt even buy a fender. Plus this will allow me to fab my exhaust stack port a little better.
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Unread 09-26-2012, 11:41 PM   #248
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I like the black and green plan too... actually looking forward to seeing how that looks!
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Unread 09-26-2012, 11:44 PM   #249
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Sweet job, you might want to weld a bead around the lips of the cooling lines you made so the clamps have something to seat against AKA so they wont leak!
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I see you also twizzled your scart lead. Well done! :thumbsup:
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Unread 09-26-2012, 11:45 PM   #250
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Tdij,

Thanks man. I think it gonna look pretty tough. I am getting excited to get this done.


I also found 4inch muffle inserts for the stack if its crazy loud. Right now its straight open.

Its not real loud since it exits so high but if highway driving sucks i will put one in.
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Unread 09-26-2012, 11:49 PM   #251
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Hussler,

Here are my pipes do you think this will be enough flange

Boost pipe


forumrunner_20120927_014759.jpg

Then upper and lower coolant pipes



forumrunner_20120927_014832.jpg



forumrunner_20120927_014846.jpg


Tell me what ya think, i think it should be enough but i will always take advice..
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Unread 09-27-2012, 12:30 AM   #252
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Tdij,

Thanks man. I think it gonna look pretty tough. I am getting excited to get this done.


I also found 4inch muffle inserts for the stack if its crazy loud. Right now its straight open.

Its not real loud since it exits so high but if highway driving sucks i will put one in.

I know my TDI is a completely different beast than your cummins... but my straight exhaust with a downturn under the cab is not too loud by any means. It's loud, but reasonable. I actually ordered a muffler for it today as I am about to work on getting it sealed up better and also exiting out the rear (filling the cab with smoke consistently right now) however it is largely just out of personal preference for a quieter exhaust. I don't mind the noise from inside the jeep... but I don't typically like driving vehicles that other people hear.

I also got tired of the "is that a diesel?" questions rather quickly. Every once in a while it leads to a legitimate conversation, and I have made some interesting contacts that way... but usually it's from people that are clueless, and have nothing to follow the initial question. I say yes and then they just look at me and smile.

My TDI doesn't sound near as crisp and nice as a cummins does though... if your 4 sounds anything like the 6 I would leave it straight, I would if mine sounded that sweet! I think you'd be doing your jeep an injustice if you were to have a stack like that without a tune to match!
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Unread 09-27-2012, 07:38 AM   #253
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Not gonna lie never cared for stacks out the side of a jeep either..kinda preferred hood stack if any thing..but yours is going to be really cool looking,expecially with the black on dark green.love the heat shield too! Really make it one of a kind can't wait to see it finished.! Awesome work as always keep it up.
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Unread 09-27-2012, 08:21 AM   #254
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Hell yeah that looks perfect! I think those flanges will work really well. For the exhaust, are those just butt joints or did you sleeve it too? Because of the leverage on that system You might want some reinforcement strips along the base of the stack where its welded to the flange. I just thing in the long run it might start cracking, especially jumping around offroad.
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Originally Posted by chris87xj View Post
Sometimes a restoration project is a labor of love, at which point cost, time, and labor involved become irrelevant.
Quote:
Originally Posted by BorderC View Post
I see you also twizzled your scart lead. Well done! :thumbsup:
92 XJ with ARB's, 5" lift, too much armor, 33's and some other garbage
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Unread 09-27-2012, 11:02 AM   #255
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I have to go with the no stack crowd as far as my own vehicles are concerned, I just don't enjoy the look. And I'll admit, when you furst announced the stack, i thought "oh no, not a stack..." However, I really like the heat shield you made for it, and the more I look at it the more I like the stack the way you're doing it. The only question I have is what kind of blind spot is it going to create being that far forward?
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