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Project "EcoMudder"; Geo Metro Mud Machine/ Bug Out Vehicle
Topic Started: Oct 1 2011, 04:55 PM (56,187 Views)
Johnny Mullet
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Fear the Mullet

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I got a rust-free 91 Metro 4 door with a 3 cylinder automatic with no title. I been wanting to do something like this for a long time :rocker

My full intention of this project is to keep the original drive train on this vehicle and make it a mud buggy capable of tackling the roughest terrain. Many of you know I mud my 4X4 truck at Yankee Lake Truck Night and even made the Season 1 Truck Night DVD.........



This project is starting with a 1991 4 door 3 cylinder automatic with a solid chassis...........

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This car will be converted into a "pickup truck" complete with a roll bar and complete under body skid plate. It will look very similar to this image I found on the net as far as the body goes.........

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I plan on running tall, aggressive ATV tires and need to come up with the proper combo for ground clearance and traction........

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I have some time to do this project, so it will be a slow, but steady process.

Everyone is free to chime in with their ideas and suggestions to help me accomplish the task at hand.

Stay tuned!

I am also interested in sponsors if anyone is interested in sponsoring the project in any way possible.

So far the things needed would be................
Roll cage - Thanks Coyote X for the help!
A custom triple stack header - Thanks MM Products!
25x8x12 six ply ATV tires - Thanks Coyote X!
Spare auto trans - Still need!
Spare auto axles - Still need!
Control arms - Still need!

95+ Sedan springs - Done by me.
Engine parts - Thanks 3Tech!
Frame bracing - Thanks Turbine Tech!

This is going to be fun! Not only will this be a fun Mud Machine, it will make a great "Bug Out Vehicle" if the shit hits the fan :drivin

If you do not care to go through all the pages of the project, here is a "Start to Finish" Movie........

Edited by Johnny Mullet, Jul 14 2013, 06:28 PM.
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t3ragtop
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Turbo3 and Twincam Tweaker

doing the pick 'em up chop on a 5 door is more involved than the 2 door. the 2 door has a bigger c-pillar in the approximate new cab corner position doesn't it? then there are the rear doors to deal with.

this will be wild. give johnny a welder and he can entertain himself for hours. :D

here's my first suggestion. swap the rear knuckles and brake drums for late model parts. the mk2/3 cars have a tapered spindle that's weaker than the later models' straight spindle. i've seen the tapered spindles bend pretty bad. that did in a lot of those mini-truck conversions.
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mcmancuso
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I've thought about this build, with the 5 door for the longer 'bed' area and shorter front doors. Good luck!
Edited by mcmancuso, Oct 1 2011, 05:52 PM.
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billy508
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billy508

4 wheel drive!!! Stick another engine/trans in the rear. Tie the front and back together with a sub frame. I always want to do it. Just never have.......Even with 2 engines you would have but a 6 cylinder. Name? (6 the hard way!}!!!
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offroadohio
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Wow, lots of ohio folks here. Let alone to find another "wheeler" I dont do the mud stuff, im a trail/rock guy but this should be an interesting thread to watch.

I once had a lifted toyota wagon 4wd that I ran atv tires on.

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metro_fiend
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where Geos come to die

atta boy johnny
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bogs
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Duct tape heals all wounds

Can't wait to see this one come together :D
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Johnny Mullet
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I got the garage cleaned out and stripped out what I needed from the 93 parts car. EcoMudder is officially in the garage and I am going to tear down the engine and rebuild it......

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I am keeping it an automatic (still saved all the 5-speed conversion parts from parts car) and some of you may ask why. I only need 1st and second gear when mudding. Plus there are no shift rods or anything underneath that can get wasted on a rock and leave me stranded.

When the big boys get stuck, they need traction and RPM's to get unstuck. Holding a V-8 engine at 6-8K for long periods of time causes these larger displacement engines to break down in various ways. We all know the G10 is capable of 6-8k for long periods of time without worrying if the engine will break down :thumb

I am wanting to get the best top end power from this engine so I will have to contact 3Tech and see if he can offer me some advice on a cam /gear combo. I also need to grunt to break traction with the larger tires.
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Johnny Mullet
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Head ripped off...........

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Windows and hatch removed..........

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Rear doors cut and stripped, ready to be welded shut..........

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Scoobs
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:D

I would have left the back doors alone, kept them for spares and got some sheet metal to weld in instead. would have been lighter. :D
Edited by Scoobs, Oct 4 2011, 06:34 PM.
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Coche Blanco
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Johnny Mullet
Oct 2 2011, 02:25 PM
Holding a V-8 engine at 6-8K for long periods of time causes these larger displacement engines to break down in various ways.
You guys running BMW V8s that i don't' know about?
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Wobblybob


Thought about your automatic the other day and your comment about 6 - 8000 rpms for long periods, (spinning those big mudder tires) and wondered about the transmission overheating.

Then I saw Woodie's comment in another post:

"To just drain the pan of an automatic, takes 1.6 quarts to refill. You have a small tranny cooler built into the radiator. Unless you're towing, racing, or spend a lot of time climbing mountains, that should be sufficient. If you feel you must have a cooler, they're generic, any cooler will do."

You probably had it on the list already but it sounds like there's a transmission cooler in your future. A big one!
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Johnny Mullet
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I do need to relocate the radiator, so a tranny cooler will be added to the mix.
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Stiffchezze
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Sir Metrologist

I don't exactly see a whole lot more material than a piece of sheet metal on that door! :lol
I know tranny coolers aren't that expensive, but check the junk yards for one. I like the Jeep ones. Long and skinny.

Man, this is gonna be a good one! :popcorn
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Johnny Mullet
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Fear the Mullet

Any thoughts on ATV tires? Here are my options for a stock Metro 12" rim........

28x8x12
26x8x12

The 26" tires look about perfect to me. A Bombardier Can Am was in the shop and had the 26x8x12 tires on it and they looked about right. The 28 will give me more ground clearance, but will I be able to turn those tires in soupy mud?
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