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  #1  
Old 04-28-2010, 11:38 PM
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Default rat mower

Got this heap for free last weekend. Still debating fixing it up/selling or building a racer. 18hp Opposed Briggs, and a 2spd (lol) transaxle. I already ripped out all the extra wiring and redid it with a simple starter button and kill switch.
The seat was basically rotted off, so it has an awesome leather cover now (aka welding apron). Also the airbox lid was missing, so an old license plate and some zipties later, here it is.






Also a quick chop of what it could look like:
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Old 04-29-2010, 03:01 PM
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Not worth fixing IMO, i'd just make it a rat racer/offroader.
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Old 04-29-2010, 04:10 PM
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Definitely lower and gear up.
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Old 04-29-2010, 05:28 PM
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Rat all the way!!! Needs some velocity stacks, or zoomies or something.
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Old 04-29-2010, 09:12 PM
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Guess I made up my mind; I flipped the front axle today. I'm gonna be scraping everywhere. Lowest point is like 1" ground clearance

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Old 05-01-2010, 07:35 PM
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So, I spent some time today building a dual exhaust set-up. (ignore the baling wire, temporary)





Get it running, and notice that only one cylinder is blowing hot, the other is blowing cold/SUCKING. Pull the head, breaking off a bolt inside the block (fvck), and see this.




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Old 05-01-2010, 08:41 PM
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Nice work on the exhaust.
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Old 05-01-2010, 08:51 PM
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bummer dude...
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Old 05-01-2010, 08:54 PM
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He//, that sucks! Guess you've got your work cut out for you, eh?
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Old 05-01-2010, 09:54 PM
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jb weld to the rescue
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Old 05-01-2010, 09:58 PM
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Drill it out, tap it with a heli-coil, get a new valve and seat and call it a day.
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Old 05-02-2010, 09:46 AM
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hey u should do a suicide front axle! like every other rat rod!
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Old 05-02-2010, 08:14 PM
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Quote:
Originally Posted by freakboy View Post
hey u should do a suicide front axle! like every other rat rod!
That's just be sweet!
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  #14  
Old 05-02-2010, 09:59 PM
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Can any of you guys identify this transaxle? 2 speed with reverse; upon disassembly I found that it is a 1" axle riding on sealed needle roller bearings, and the gears ride on sealed bearings as well. Should be pretty stout?






I've already removed all the grease and cleaned the cases/internals (after the pics), so I would use gear oil now correct? Also, what is going to happen if I leave the reverse chain in? Is that something which will severely limit its life?


I also stripped the mower down most of the way today. Took the motor off so I could get a better look at what parts I need to replace. Also took a pic showing the planned ride height (sorry it's so blurry):

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Old 05-03-2010, 04:25 PM
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looks pretty good!
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Old 05-03-2010, 05:30 PM
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That's going to be really cool. Leave it all rusty and ugly! Can you explain the axle flip thing?
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  #17  
Old 05-03-2010, 06:02 PM
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The reverse chain should at least be replaced with a new one. Racers remove em because they don't need it and if it breaks, it tends to wrap around the sprocket and blow the case open.
  #18  
Old 05-03-2010, 06:24 PM
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Quote:
Originally Posted by toystory_4wd View Post
That's going to be really cool. Leave it all rusty and ugly! Can you explain the axle flip thing?

I took the original mower axle tube off, and put it back on the mower upside down. I had to notch the front of the frame to clear the tie rod, and add a new tab for the drag link from the steering gear. Sets it a ton lower (almost too low, but w/e it was easy and free).
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Old 05-03-2010, 06:29 PM
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Neat mod! But what does that do to caster, camber, and KPI?
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The Manual- "Just the manufacturer's opinion of how to put this together."- Tim "The Tool Man" Taylor
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Wrench, Wheel, Wreck, Repeat...
  #20  
Old 05-03-2010, 08:26 PM
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No change, plus it's not like these were built with the utmost precision in the first place.
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