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ISR stock class sled weights??
Last post 10-03-2007 9:09 AM by DTR. 6 replies.
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10-02-2007 1:58 PM
Offline O Canada
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Joined on 07-27-2005
Posts 34

ISR stock class sled weights??

Where can I find the legal sled weights for a 2003 Firecat F7 and a 2003.5 Firecat F6 that ISR uses to determine the proper stock class combined weight?

Or can anyone tell me what the above two sleds and rider are supposed to weigh to be legal in stock class per ISR?  The event we are attending uses a 180 lb rider weight and DOES NOT allow studs in stock class.  (2003 F7 wet ='s ??? and 2003 1/2 F6 wet ='s ???)

 

Thanks
10-02-2007 2:13 PM In reply to
Offline Srxspec
Top 75 Contributor
Joined on 07-27-2005
Posts 534

Re: ISR stock class sled weights??

 O Canada wrote:
Where can I find the legal sled weights for a 2003 Firecat F7 and a 2003.5 Firecat F6 that ISR uses to determine the proper stock class combined weight?

Or can anyone tell me what the above two sleds and rider are supposed to weigh to be legal in stock class per ISR?  The event we are attending uses a 180 lb rider weight and DOES NOT allow studs in stock class.  (2003 F7 wet ='s ??? and 2003 1/2 F6 wet ='s ???)

Thanks

2003 F7 is 660 lbs with driver on it (200 lbs for driver weight + 20 lbs for studs/gas)

2003.5 F6 is 680 lbs with driver on it (200 lbs for driver weight + 20 lbs for studs/gas)

Hopefully that helps!

ulmerracing.com
10-02-2007 2:34 PM In reply to
Offline O Canada
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Joined on 07-27-2005
Posts 34

Re: ISR stock class sled weights??

Thanks Allen, any idea what the studs make up for weight?
10-02-2007 3:13 PM In reply to
Offline xcrspx
Top 500 Contributor
Joined on 07-27-2005
Posts 207

Re: ISR stock class sled weights??

All scales very a little bit.  But from my experience with the 03 F-7 and ISR weights is in reality it takes a driver of 150-155 lbs. to make the min. weight on that sled.  Good luck and have fun! 

Every hour is happy hour in Plesantville
10-02-2007 5:25 PM In reply to
Offline DHS
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Joined on 10-02-2007
Posts 2

Re: ISR stock class sled weights??

i am a weights tech offical and the offical combind driver and sled weight for grass drags is 660lbs but the isr rules change depending on the type of raceing and what you want to do.
10-03-2007 7:25 AM In reply to
Offline O Canada
Not Ranked
Joined on 07-27-2005
Posts 34

Re: ISR stock class sled weights??

Thanks for the reply guys.  with the combined weight being 660 lbs, does that apply to all stock sleds??  Meaning, does the new TNT have to equal that too? 
10-03-2007 9:09 AM In reply to
Offline DTR
Top 500 Contributor
Joined on 07-27-2005
Nortonville, ND
Posts 162

Re: ISR stock class sled weights??

Kam,

 The 660 combined weight is just for the Stock 03 F7.  The weight is determined by the manufacture's filed weight + 200 lbs for gas, oil, studs, driver, etc.  The filled weight on the F7 was 460.  The new TNT is 399, so add the 200lbs, and you have 599 for the TNT.

 

 

DTR

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