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Author Topic: Son's New Super Stock/imow build for 07 with 820  (Read 77297 times)
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George Herrin
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« on: January 07, 2007, 09:55:45 AM »

Well my son Jacob has started work on his new Super Stock. This is a ARMA and US/IMOW legal build. We started with a somewhat tore down chassis was missing deck, engine, and rear wheels. This build will use an 820 transaxle and a jackshaft. We will attempt to build it so the chassis is 4" off the ground. We are using a MTD, for this build. I started with pics once he was almost done stripping the chassis. This will be a slow build I am hoping he does most of the work. But will take pics and show progress as it moves along.



This first picture Jake has removed the bodywork and front axle he is now removing the steering wheel. The object is to strip it down to bare frame.



This picture he is down to removing the deck lift parts. Here is using the saws-all to cut the lift handle in half. It’s easier to remove it this way. And we do not plan on reusing it anyhow.


Here is Jacob prepping the side panels for the transaxle mounts we are going to weld in


Here we have them welded in We used 1.5" angle and welded it to a 1/4" square tube. Then welded the whole thing in


Here is a view from the outside


Here is an over all view. We are mounting an 820 transaxle into this MTD. All ready built one so this really isn't new ground for us. Well it is for Jake. This is his first build.


Here you see the transaxle sitting in place


Here is a look inside the frame. While the transaxle is in place we squared it up centered it left and right and using a transfer punch marked the 4 mounting boltholes. Then we drilled and tapped for a 5/16 standard thread.


Here is a look with it bolted in place Front mounts still need making but the transaxle is in.


Here’s another look at it bolted in. I use the very inside bolt holes in the case they just happen to be in line with the side panel. This is the reason we make the mounts like we did. By not going to the outer boltholes this will allow for our brake setup, which you will see, in later pictures.


Here is a look at it in side from the front


Here is an overall view of the bottom


As you can see we still stiffen the chassis with the square tubing. This is essentially a prepared chassis and will be built as such.


Here you can see we still have just a bit of modifying to do to the case we grind this material away. There is plenty of access here and doesn't hurt cutting or grind some of it away.


here is the other side have to notch case just a little still


This picture is of his brothers brake system on his Super-stock. We will install the same set up on this one.


Here is another look at the disk and disk hub. The is made by none other than Steve Bertrand of Bertrand Hydraulics, also the builder of the big Indian also referred to as the Thunder Twin. 1800-236-3611
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George Herrin #6
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Tom Fox
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« Reply #1 on: January 07, 2007, 09:59:06 AM »

FAMILY! This is why I love this sport!

How old is your son?
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Tom Fox       
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George Herrin
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« Reply #2 on: January 07, 2007, 10:03:39 AM »

He is 10 years old and drive's my truck and bp all over the place here. I live way out in the country. With the new ARMA chapter started here we set it up to allow 10 years to 15 to run in kids super stock. This will be the first year he and his brother get to race together in Super Stock.  That's his sister in the back ground they are inseperable. She is working her nerve up to race in Kid Stock.
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George Herrin #6
Indian Power.. You gotta Go big to beat em or Go HOME
8 time ARMA National Champion
4 time USLMRA National Champion
Retired from BP
www.herrinmowersports.yolasite.com
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My other racer is a 1/5th scale Dirt Late Model!!!!
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« Reply #2 on: January 07, 2007, 10:03:39 AM »

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« Reply #3 on: January 07, 2007, 10:38:56 AM »

Hey George what mowers do those 820 come in and does that have 1inch axles?
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George Herrin
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« Reply #4 on: January 07, 2007, 11:14:17 AM »

Yes they have the 1 inch axle everything in it riides on either needle bearings or ball bearings. You will find them in the larger garden tractor style mowers generally will have a rear wheel larger than the standard 8 inch lawn tractor variety. This 820 will have the solid axle and 017 conversion installed in it.
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George Herrin #6
Indian Power.. You gotta Go big to beat em or Go HOME
8 time ARMA National Champion
4 time USLMRA National Champion
Retired from BP
www.herrinmowersports.yolasite.com
www.allamericanmowerchampionships.yolasite.com
My other racer is a 1/5th scale Dirt Late Model!!!!
kyle mcgee
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« Reply #5 on: January 07, 2007, 11:33:28 AM »

looking good so far george bigsmile
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fordfan
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« Reply #6 on: January 07, 2007, 11:36:19 AM »

hey george that brake rotor on your sons build how is it mounted on the axle and what type of rotor is it? thanks fordfan
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Squidd
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« Reply #7 on: January 07, 2007, 11:46:39 AM »

Looks like a brake rotor off a FWD car...maybe something that fits a 4 on 4 hub...??

and then reversed back over the transaxle housing...easy mount for caliper on frame  side...

Nice clean set up..
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Randy Stys
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« Reply #8 on: January 07, 2007, 12:09:16 PM »

Look's like your son is gonna have a sweet mower, I hope you good luck with this project smile
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money89tractors
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« Reply #9 on: January 07, 2007, 12:23:49 PM »

the MTD looks great so far.

this build is really going to help me when i start to make my Case 110 race ready.  the brake setup is a but help and it looks sweet.  could you by chance get the parts numbers for the disk and the "hub" it mounts on?

thanks

-Phil
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« Reply #10 on: January 07, 2007, 12:51:26 PM »

woohhh, i just noticed the brake setup  doh, Thats looks really cool. How hard was it to make?
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« Reply #11 on: January 07, 2007, 01:49:19 PM »

That's cool that you have the son building one!
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George Herrin
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« Reply #12 on: January 07, 2007, 02:04:21 PM »

Quote
Here is another look at the disk and disk hub. This is made by none other than Steve Bertrand of Bertrand Hydraulics, also the builder of the big Indian also referred to as the Thunder Twin. 1800-236-3611

All I can tell you is it utilizes a standard kart 7" brake disk inside turned down and new bolt holes drilled and the hub that slips over the axle is a 1"bore 4 bolt hub you find on many fun karts with two piece steel wheels. The rest is scrach built as stated above. Along with his phone number.
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George Herrin #6
Indian Power.. You gotta Go big to beat em or Go HOME
8 time ARMA National Champion
4 time USLMRA National Champion
Retired from BP
www.herrinmowersports.yolasite.com
www.allamericanmowerchampionships.yolasite.com
My other racer is a 1/5th scale Dirt Late Model!!!!
money89tractors
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Case 110


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« Reply #13 on: January 07, 2007, 05:48:33 PM »

ohh ok, thanks george!!

-Phil
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..."I used that motto to keep going, keep pushing, keep digging to
find a way around, or through to find a hole, some kind of break that
would allow some space. Once something broke thru, I could be there to
take advantage. Then I would finish 7th instead of 10th." - Dubba G
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« Reply #14 on: January 08, 2007, 02:59:10 PM »

Do you have to put a keyway in the axle to mount the hub for the brake rotor? I was wondering what the 017 conversion is,and how did you put the solid axle in?
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David Peters
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