Author Topic: FXS 6in vs 8in  (Read 1553 times)

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Offline nic_hayes

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FXS 6in vs 8in
« on: June 27, 2017, 12:14:43 PM »
Whats the pros/cons of the 6in and 8in wheels in the fxs class.


Nic Hayes - #427 - CP/Mod-X - Small Engine Performace
15 Time Indoor Winter Nationals Champion
2006 Kansas Outlaws Modified Class Champion
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Offline docbro

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Re: FXS 6in vs 8in
« Reply #1 on: June 27, 2017, 09:50:54 PM »
6 in rear wheels give less rotating mass, and gearing is different.  I have ran both in the FXT, and prefer the 6" in the rear.  I feel they also have less side wall flex.

Hope this helps.  It was great to meet you this past weekend.
Kenny "Doc" Holder
2013 ULMRA FX Champion
2013 USLMRA 5th FXT
2012 USLMRA 3rd FX
2012 USLMRA 7th FXT
#606 GP, CP, BP, FX, FXT

Offline nic_hayes

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Re: FXS 6in vs 8in
« Reply #2 on: June 28, 2017, 10:33:34 AM »
Yes it was good to see you to Doc. I was watching the fxs/t classes and it looks to me in the single class you would benefit from the smaller tire, mostly because it looks like it would take less power to turn. The twin class I can see needing the big tire just because they have way to much power anyway and they would hook up better.

Might build a fxs this winter so I'm just trying to figure out what I want to do. I'm leaning to the smaller tires.
Nic Hayes - #427 - CP/Mod-X - Small Engine Performace
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Offline cycloneracer

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Re: FXS 6in vs 8in
« Reply #3 on: June 28, 2017, 11:40:12 AM »
If I were building an FXS I'd use the 6" tires. 

Although I may know of a real nice one that may be for sale.  Think it needs some engine work.  It has the 8" rear tires though.  This one works well with them though.  It flies!   I can't pass him on my FXT if he gets in front of me. 

I can get you his contact info if your interested. 

It was good to finally meet you in person!!!!
Paul Krueger

****2017 USLMRA FXT points Champion****

#150 Worlds First "sidewinder" FX (now dismantled)

#150 FXT  Sponsored by Zach Kerber Machine. http://zkbrmachine.com/

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Offline nic_hayes

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Re: FXS 6in vs 8in
« Reply #4 on: June 28, 2017, 12:08:27 PM »
Yea it was great to meet you to Paul!

I'm thinking 6in as well.

Not sure about buying one for now. I enjoy the build, just got to get everything figured out, I'm outta the loop on those classes.
Nic Hayes - #427 - CP/Mod-X - Small Engine Performace
15 Time Indoor Winter Nationals Champion
2006 Kansas Outlaws Modified Class Champion
http://hayesmowersports.synthasite.com/

Offline cycloneracer

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Re: FXS 6in vs 8in
« Reply #5 on: June 28, 2017, 09:04:10 PM »
Don't build till you see more chassis. 

Build a horizontal.   You will tank me in the long run....


This guy may sell the engine.   That is what needs work.   It is super nasty.  You can pick it up at finals.....:
Paul Krueger

****2017 USLMRA FXT points Champion****

#150 Worlds First "sidewinder" FX (now dismantled)

#150 FXT  Sponsored by Zach Kerber Machine. http://zkbrmachine.com/

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Offline nic_hayes

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Re: FXS 6in vs 8in
« Reply #6 on: June 28, 2017, 09:20:35 PM »
Yea I will use a horizontal, probably a clone, unless I can get a certain someone to fill me in on how to make a "sidewinder" work.....


And yes I should be at finals.
Nic Hayes - #427 - CP/Mod-X - Small Engine Performace
15 Time Indoor Winter Nationals Champion
2006 Kansas Outlaws Modified Class Champion
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Offline Michaelgc7

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Re: FXS 6in vs 8in
« Reply #7 on: June 28, 2017, 09:37:48 PM »
Chassis chassis and chassis again. If you have a properly setup chassis then 6" is the way to go in my opinion. Thats coming frome someone who has run both. Plus you can afford to have more sets of 6" vs 8" price wise
Micheal Carrier

Owner of Carrierperformance.net , lawn mower racing superstore.

Offline cycloneracer

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Re: FXS 6in vs 8in
« Reply #8 on: June 28, 2017, 10:17:45 PM »
Yea I will use a horizontal, probably a clone, unless I can get a certain someone to fill me in on how to make a "sidewinder" work.....


And yes I should be at finals.

Kohler single....60 HP.   I know a guy.   

The 2 examples you gave are OK.  But not 60 HP. 
Paul Krueger

****2017 USLMRA FXT points Champion****

#150 Worlds First "sidewinder" FX (now dismantled)

#150 FXT  Sponsored by Zach Kerber Machine. http://zkbrmachine.com/

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Offline nic_hayes

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Re: FXS 6in vs 8in
« Reply #9 on: June 29, 2017, 08:38:34 AM »
Kohler single....60 HP.   I know a guy.   
 

Sounds expensive, LOL.
Nic Hayes - #427 - CP/Mod-X - Small Engine Performace
15 Time Indoor Winter Nationals Champion
2006 Kansas Outlaws Modified Class Champion
http://hayesmowersports.synthasite.com/