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 Murray Racer Build "Bad Habit"

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Rerun
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PostSubject: Murray Racer Build "Bad Habit"   murray - Murray Racer Build "Bad Habit" Icon_minitimeMon Dec 16, 2019 8:04 pm

Starting another build that I sorta mocked up a bit about a year ago. This was a flipped trans project that never went far. I ended up tearing it down and it sat around as a parts mower. This was a 2001 Murray wide body LT that had a blown motor with a MST 206 transaxle. I’ve used the trans in my other build (Ol yeller) so I’ll be using another MST 206 that I pulled from a craftsman. I like the craftsman version because the shift lever is a lot shorter and won’t interfere with the belt. This should be a pretty cheap build only needing to purchase Steel for bracing, a trans pulley, steering and axle components and tires. I plan on going with direct steering routed over the engine. Going to stick in the v-twin that I took out of Ol yeller for a power plant. Not sure on rear tire size yet... either 18 or 20” depending how low it sits.

This is what it looked like when a got it. It is tore down to the frame now waiting to be braced up.
am going to get some 3/4" square tubing tomorrow and get started on firming it up. Will update as I progress.

murray - Murray Racer Build "Bad Habit" 20181211
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Rerun
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PostSubject: Re: Murray Racer Build "Bad Habit"   murray - Murray Racer Build "Bad Habit" Icon_minitimeMon Dec 23, 2019 8:31 pm

Got some time this weekend to work on the mower. I got the frame pretty much braced up except for a few cross bracing ill have to do after getting clutch and belt in place for mock up.

Here is the stripped frame.
murray - Murray Racer Build "Bad Habit" 20191210

This is the front end that holds the front axle that I'm changing out for a extra Murray rear panel I had.
murray - Murray Racer Build "Bad Habit" 20191211

I used this rear because mounted in the front it provides my 10 degree tilt I need. Its about 11 degrees actually. Ill trim it off flush with the bottom of the frame and mount my axle to it.
murray - Murray Racer Build "Bad Habit" 20191212

Here is a couple pics of the bracing
murray - Murray Racer Build "Bad Habit" 20191213

murray - Murray Racer Build "Bad Habit" 20191214

This is the front now after trimming the bottom off and a bit of weld.
murray - Murray Racer Build "Bad Habit" 20191215

I also trimmed the lip off the engine plate and bolted it down. All this will get welded after more mocking up.
murray - Murray Racer Build "Bad Habit" 20191219


Put my mock block on with my pulley to see how much to cut out.
murray - Murray Racer Build "Bad Habit" 20191217

Had to cut out a lot to clear the 8" pulley.
murray - Murray Racer Build "Bad Habit" 20191218

So next I will be getting the Trans mounts measured out for the flip. Looks like everything is going to fit within the frame channels … hoping all the pulleys will line up.
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MightyRaze
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PostSubject: Re: Murray Racer Build "Bad Habit"   murray - Murray Racer Build "Bad Habit" Icon_minitimeMon Dec 23, 2019 9:14 pm

Very nice... Looking for some serious speed eh?

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Rerun
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PostSubject: Re: Murray Racer Build "Bad Habit"   murray - Murray Racer Build "Bad Habit" Icon_minitimeTue Dec 24, 2019 7:45 am

I’m thinking top end will be faster then I’ll ever attempt to run it. I was never good at figuring out gear ratios. Going with 8/5 pulleys with 7/1 transaxle gearing in its highest gear and 20” tires. Never ran tires that tall on a racer so this have to just be tested out. Think this setup may put a lot of stress on the MST so not sure how long it will hold up.
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PostSubject: Re: Murray Racer Build "Bad Habit"   murray - Murray Racer Build "Bad Habit" Icon_minitime

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