Improved Stock

[Hammer Down]

What modifications are allowed in the Improved Stock class? What ET and speeds do they hit?

Never mind I googled it. Seems like the rules vary a lot.

 

[needaSRX]

Same goes for stock class

 

[Hammer Down]

Is 5.72 at 121 mph fast for a vmax4 800?660' on ice

 

[needaSRX]

sounds fast to me

 

[sxr-x]

That would be a record holding sled if its a 800 improver!

 

[nikamiles]

Can you share the link for those rules? Thanks.