Scrambler meets big ugly - JeepForum.com
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post #1 of 109 Old 05-15-2017, 07:19 PM Thread Starter
CJWoodman
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Scrambler meets big ugly

I have owned my scrambler since 2005. After numerous upgrades to my 258 4.2 including Davis ignition and Weber carb I decided to go the v8 route to improve driveability. Here is my lm7 swap project. Started research years ago and began purchasing materials in January 2017. The engine was in great shape inside so we cleaned painted and replaced what I thought should be. Here are photos of the Jeep tear down that started Saturday 5/13. I'm sure I will have questions as I go.

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post #2 of 109 Old 05-22-2017, 07:02 PM Thread Starter
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Was able to get the drive line, exhaust fuel tank and exhaust out today. Time to start to clean up the bay.
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post #3 of 109 Old 06-01-2017, 10:13 PM Thread Starter
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Came up with this plan today to get a better angle for pressure washing the grime off the bottom. Pretreated with a heavy mixture of simple green first then pressure washed it. Nice to have a forklift around.
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post #4 of 109 Old 06-01-2017, 10:23 PM Thread Starter
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This is how it came out. I want to clean up the areas hidden by the tranny, case and fuel tank while I have them out. You can see my failed por15 from 8 yrs ago. Plan is to grind on it, then treat it with osfo. Next I'm thinking epoxy primer then coat it with black paint. Maybe cavity wax in the dark places and frame rails we can't see. Not sure if you can put cavity wax over rust though. Heard it is better than fluid film for that? Anyone ever try cavity wax by 3m?
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post #5 of 109 Old 06-06-2017, 10:45 PM
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This is going to be an awesome build!

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post #6 of 109 Old 06-08-2017, 10:56 PM Thread Starter
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Quote:
Originally Posted by arg0413 View Post
This is going to be an awesome build!
Thanks. Nice flex on your Jeep!
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post #7 of 109 Old 06-11-2017, 03:12 PM Thread Starter
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The rear main seal was the last gasket to replace. Couldn't be done while on the engine stand so I benched it and got busy. While I had it up there I decided to change the color of the block. This color caught my eye at the parts store.
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post #8 of 109 Old 07-17-2017, 08:43 PM Thread Starter
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I have spent countless hours sanding and grinding the tub and frame. I loosened the passenger side body mounts then removed the driver side mounts. That allowed me to raise half the tub off the frame giving plenty of room to work. I probably won't have as good a look at it for a long time to come. I found a 2k epoxy primer in a rattle can to help keep the tub from rusting again. https://www.amazon.com/Spray-Epoxy-P.../dp/B0043YP8EC It is pricey (about $20 per can) but it worked well. Three cans did most of the bottom of the tub. Next I'll fasten the driver side mounts and start on the little bit of clean up that is left left on the passenger side then paint the whole thing in satin black. I'll probably get two more cans of epoxy to finish up the passenger side. I also went to bare metal on the frame and I used self etching primer by rustoleum on it since it was in pretty good shape to begin with.
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post #9 of 109 Old 07-25-2017, 10:13 AM
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Nice Scrambler!
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post #10 of 109 Old 07-25-2017, 08:47 PM Thread Starter
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Thanks, I can't wait to get back on the road!
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post #11 of 109 Old 07-25-2017, 09:12 PM Thread Starter
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Worked on cleaning up and repainting the firewall this weekend. Bought a custom mixed rattle can of dupont chromabase and a can of dupont clear and did it up. Did three coats of base and two coats of clear. Came out better than the black that was there. Feels nice and smooth and came out great. I need to get a compressor and paint gun to do the inside of the fender wells. The rattle can went too fast. Here are some pictures. The painted photo is taken before the clear coat.
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post #12 of 109 Old 11-30-2017, 10:38 PM
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How's the build been going?

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post #13 of 109 Old 01-07-2018, 04:25 PM Thread Starter
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Bummer, thanks for asking. Sorry for the late reply, haven't even checked in on the forum. I have been working huge hours so been too busy to even touch it. Plan is to start taking one day off a week to work on it by March. Next step is to remove the axles to get em rebuilt and re geared to 4.10 ratio. Did get my hands on a compressor though and got that hooked up so that will help me work faster. I'll start posting when I get back at it.
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post #14 of 109 Old 01-08-2018, 07:54 PM
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Quote:
Originally Posted by CJWoodman View Post
Bummer, thanks for asking. Sorry for the late reply, haven't even checked in on the forum. I have been working huge hours so been too busy to even touch it. Plan is to start taking one day off a week to work on it by March. Next step is to remove the axles to get em rebuilt and re geared to 4.10 ratio. Did get my hands on a compressor though and got that hooked up so that will help me work faster. I'll start posting when I get back at it.
Best of luck getting away from work! Look forward to seeing some progress!

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post #15 of 109 Old 03-14-2018, 07:33 PM Thread Starter
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I am finally back into the project and glad to be back at it. I have Mondays off for the spring and summer so I hope to make some headway. I need to finish up some details before I start the engine install. I was able to get my hands on a compressor over the winter and that will help me work faster.
The next logical purchase was a sand blast set up. I decided on the Harbor Freight 40# rig part number 68992. Here are before pictures of my grill. It had rust in corners and places that would be hard to get at so this would be the perfect test. I set it up excited to begin cleaning it up. I followed the directions and spent three hours trying to get it to work. It kept jamming up with media. I gave up for the day and decided to do some research. After reading some of the reviews on the HF site I found that some fine people were kind enough to share their experiences and how they were able to get it to work. It seems that following the directions was the problem. They say to open the abrasive vale open full when using. If you do that it will jam in 5 seconds or less. After playing around I found that setting the valve at 1/3 was the best. It made quick work of the rust I will attach the after photos next.
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