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Author Topic: Upside down 820  (Read 1052 times)
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Racer57
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« on: November 28, 2013, 09:55:13 PM »

Can someone share some photos of a upside down 820 set up, I'm considering running one on my new supermod , I will be running 18/9.50 turfmasters on it
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« Reply #1 on: November 29, 2013, 01:13:49 PM »

Not recommended to start out with a super mod & it wouldn't be competitive with a transaxle most places anyway.
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« Reply #2 on: November 30, 2013, 08:48:22 AM »

I think his group uses the term supermods for something like a prepared chassis. I did however run an 820 in an FXS at the All American last year and was running in the front of the field until the motor started losing oil.
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« Reply #2 on: November 30, 2013, 08:48:22 AM »

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« Reply #3 on: November 30, 2013, 10:25:04 AM »

If you were to gut the gears on an 820, using just one gear set, along with a centrifugal clutch, you basically are left with a ragb. I think it would work just fine.

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« Reply #4 on: November 30, 2013, 11:48:18 AM »

No it's a supermod frame not a prepared chassis , the 820s are stronger then the 700s and that's why I wanted to run it, I want to run one of these trannys because you can't race around a corner with a cart clutch, it's either al throttle or no throttle, if you wanna win you have to be able to race and pass in the corners
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« Reply #5 on: November 30, 2013, 11:14:30 PM »

Dustin,
The # 9 Pro-Mod had an 820 in it put in upside down. It worked fine but he needed to change his output gears to at least Rod Rom's upgrade 2 (which is what I have in the 88 ProStock). When he went to the 700 /cart axle there really was only little performance increase and like I said the 017 kit would cure that. Be sure it has the thrust bearing under the pinion gear.

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« Reply #6 on: December 01, 2013, 06:58:16 PM »

Dustin,

   I don't have any pictures of a racing-mower setup with a "flipped" 820 transaxle but if you want to see what an 820-017 looks like in its original natural environment ("upside-down"), logon to www.partstree.com, then enter "Snapper" in the Brand Search box and "PPU180KE" in the Model Search box.  When the Breakdown lists come up, click on "Rear Deck, Transmission & Transmission Shift Assemblies". 

   And don't let the naysayers rain on your parade...

Respectfully; Rodney Rom; Rom's Reworks; Butler, MO
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