Flatty - The Home Alone Build

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tobyw
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Re: Flatty - The Home Alone Build

Postby tobyw » Mon Jan 30, 2017 11:37 am

Since no one asked, I figured I would still bore you with the details. It’s just how I roll :P

Once I had the motor firmly located, I turnt my attention to the transmission crossmember. The final location of the engine was about 2” forward and 1-1/2” toward the passenger side of the original, so the crossmember had to go along with it. The biggest problem with that was the mid-ship body mount was directly between the vertical ears of the original crossmember mounting tabs, so I had to get creative when fabricating the new crossmember mount tabs and body mount relationship:

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Once the welds cooled, I pulled it outside and gave the chassis a good bath with some purple cleaner and a scrub brush:

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I then shot the chassis with a quick coat of Rustoleum’s finest satin black:

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At that point I stood back to look at the mess I had created, and realized that I had ruint just about every aspect of the original chassis, with the exception of the rear crossmember/bumper. Why leave it out of the fun? So out came the plasma cutter, tube bender, and hot glue gun. I removed what was left of the original rear crossmember/bumper, and took a section of 2”x4” box tubing and opened up the ends to mimic the original. To that I added my now patented rear receiver/tube step combo, and voila:

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While I performed some admittedly scary rigging and got the body mounted back on the chassis, I put the minions to work cleaning up and resealing the Ford 2.3L powerhouse, and mounting up the new flywheel/clutch/pressure plate combo:

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So now the drivetrain was sitting in the chassis and the body was, again, temporarily on location. This allowed me to verify firewall and transmission tunnel clearances and make some minor adjustments. It also allowed me to visualize radiator location and get a handle on how that was going to be mounted, and get a start on power steering pump mounting, alternator mounting, and belt routing. A few frosty beverages and grinding buggers later, we have bonefied mounts for the radiator and all engine driven accessories:

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With that handled, I turnt my attention to hydraulics. Converting to hanging pedals and a hydraulic clutch was something I had dreamt about for years, and at this point I could visualize the concept. Some CAD (cardboard aided design) allowed me to fabricate a mount for the clutch slave cylinder, and with the body still temporarily on location I could conceptualize hose routing and make a parts list:

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I pulled the body back off, and went to work finalizing he clutch slave cylinder mount and running rear brake lines:

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One more time dropping the body onto location, this time for reals. However, before lowering it into position I took the time to modify the rear driveshaft while access was the easiest, and you can also see the 1” aluminum pucks for a minor body lift to help accommodate transmission clearance in its new home:

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So now the body was on the for the final time, it was time to finish all of the plumbing and start the wiring. Yuk…

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I found a good looking set of gauges from a vendor on eBay and decided to give them shot:

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After trying to clean up the Motorcraft carb several times, I just couldn’t get it to a point where fuel would flow properly, so to the trash can it went. I ordered up a brand new Weber 32/36 and could not be happier with the decision:

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During one evening of long-overdue shop cleaning, I stumbled upon a large object that had been hidden by other rubbish for quite some time. After dusting the aforementioned object off, I realized it needed a new home, and it just so happened that my beloved flatty could provide that home. So, again with the plasma and hot glue gun, and a new home was made for it. Yep, “it” was a Warn 8274:

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Yep, I've wheeled one of those, too...
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tobyw
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Re: Flatty - The Home Alone Build

Postby tobyw » Mon Jan 30, 2017 11:39 am

Now well into the home stretch, I turnt my attention back to the rollcage and mounting of the seats I had appropriated years prior. Knowing the cockpit is extremely small to begin with, seat mounting in a flatty is simply an exercise in compromise. Leg room is nonexistent, and munching on your knees is just part of the program to add enjoyment to the overall experience. After a few test fits to get location and elevation as tolerable as possible, out came the tube bender and metallurgical weaponry:

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Again trying to keep the pedal box as clear as possible, I came up with these stanchions for the front of the seat mount structure:

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The rear seat was a no brainer, as the cargo area width remained unchanged right up through production of the 1995 YJ Wrangler:

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A quick test fit provided minion approval:

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Everything was finish welded, pulled back out, and bathed in more of Rustoleum’s finest:

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Here you can also clearly see the windshield mounting tabs, similar to YJ/TJ arrangements, so keep the flatty windshield frame from rattling against the rollcage:

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And paint:

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Poor guy looks kinda funny all stripped down:

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Back to reassembly:

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With light at the end of the tunnel, and some confirmation that said light isn’t an oncoming train, I focused on a few small details like battery cables and mirrors, and put some finishing touches on the old boy:

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Yep, I've wheeled one of those, too...

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tobyw
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Re: Flatty - The Home Alone Build

Postby tobyw » Mon Jan 30, 2017 11:40 am

And finally, without further ado, I present to you, THE FLATTY:

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Still a laundry list of minor details to finish up, but at this point it has made several successful test runs around the neighborhood and is ready for proper test run somewhere higher in elevation :thu:
Yep, I've wheeled one of those, too...

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SPR
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Re: Flatty - The Home Alone Build

Postby SPR » Mon Jan 30, 2017 9:47 pm

Neat stuff and a lot of nice work. What setup welder/wire are you running for welding the tube?
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Lurch
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Re: Flatty - The Home Alone Build

Postby Lurch » Tue Jan 31, 2017 6:46 am

Looks good!
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tobyw
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Re: Flatty - The Home Alone Build

Postby tobyw » Tue Jan 31, 2017 9:10 am

SPR wrote:Neat stuff and a lot of nice work. What setup welder/wire are you running for welding the tube?


Thanks!

I use a Lincoln SP175. Setup varies depending on the joint configuration and if it's tube-tube vs. tube-plate, and I honestly don't pay much attention to the settings. Just rotate the dials until it feels good. I'm just a farmer :wink:
Yep, I've wheeled one of those, too...

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Yrjan
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Re: Flatty - The Home Alone Build

Postby Yrjan » Tue Jan 31, 2017 12:56 pm

that's cool! great job!

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SPR
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Re: Flatty - The Home Alone Build

Postby SPR » Tue Jan 31, 2017 2:38 pm

I can't seem to get my Miller 140 to wick-in like your welds unless I use flux-core. Even cranked up, the solid core still has a lots of build up.
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tobyw
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Re: Flatty - The Home Alone Build

Postby tobyw » Tue Jan 31, 2017 5:00 pm

SPR wrote:I can't seem to get my Miller 140 to wick-in like your welds unless I use flux-core. Even cranked up, the solid core still has a lots of build up.


I'm satisfied there are far more qualified folks than me, but I'd be happy to take a crack at setting it up sometime? We only have our time and a little scrap metal to lose :lol:
Yep, I've wheeled one of those, too...

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TJDave
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Re: Flatty - The Home Alone Build

Postby TJDave » Tue Jan 31, 2017 5:59 pm

8) Very much like. Mirror mounts/guards are genius.
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Wrench
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Re: Flatty - The Home Alone Build

Postby Wrench » Wed Feb 22, 2017 9:19 pm

That's turning out pretty fantastic, Toby!
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tobyw
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Re: Flatty - The Home Alone Build

Postby tobyw » Thu Feb 23, 2017 5:54 pm

Thanks Paul!!

I need to divert your attention away from your tire machine for a bit while I use it to swap these Swampers for a set of MTRs someday very soon :assassin
Yep, I've wheeled one of those, too...

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