I looked on the scca rules book but all i saw is the rules about how a cage can be in a car, not the specifics of the cage, wall size, tube size, any one know of the top of your head where to look?
What class are you building the car for? 1 1/2" x.095" will be good for just about everyclass.
Check out appendix C of the solo rules, everything you need to know is there.
If you're building a car for wheel 2 wheel competition, the Solo rules will not be sufficient. Read through the GCR, there is a complete section of structure requirements.
-Josh2
Yep GCR rules is very specific
I remember something about 1 1/2" OD x .135 wall DOM for W2W racing with full cages.
Autocross is less like just a hoop and bracing 914's can use 1 3/4" OD and .095 wall DOM.
Joe , . . .
1.35" wall thickness ??? That's greater than the OD of 1 1/2" . That has got to be a typo error .
wallys914 , just go online and check the SCCA GCR to see what is called for . That way it's a fact and not an opinion .
GTP
OOPs one little decimal place and all hell breaks loose.
Typical SCCA road racing for our cars weight 1500-2200lbs is 1.5" OD with .095 wall and if you are over 2200lbs is 1.5" with .120 wall. My Spec Miata, 2100lbs w/o driver is 1.5" X .095. If you want to go with a good cage I might recommend going with .120 on the main hoop and .095 everywhere else. Nice compromise between strength, safety and weight.
Kyle
edited the weights
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