Spider Roll Bars

[AlfaNeely@domain.elided]

In a message dated 2/18/2003 1:24:03 PM Central Standard Time, 
owner-alfa-digest@domain.elided writes:

Dana Loomis said in part:

> we need to be clear that there is no such thing as
> an SCCA-legal rollbar for wheel-to-wheel racing: SCCA has required a full
> cage for some time.  The kind of roll bar you want is one that meets the
> standards for Solo I (time trials, hill climbs and the like).   Several
> manufacturers sell them ready made, or you can have one built locally to
> your personal specifications.  This might be a good option for you, because
> there is someone in every North Carolina town who builds race cars.  The
> NASCAR and circle track boys do good work at honest prices. 
> 

       Be careful with roll bars build by roundy pounder shops.  The ones in 
Oklahoma tend to use ERW (Electric Resistance Welded) tubing instead of the 
stronger DOM (Drawn Over Mandrel) tubing.  ERW has a seam that is quite 
obvious if you feel the inside of the tubing.  Many circle track shops do 
nice work, but make sure they are using the tubing you want.
       SCCA used to allow ERW tubing if the size was one dimension larger 
than the size specified for DOM.  However, the use is ERW is no longer 
allowed for new cars registered after 1/1/2003.

Ciao,
Russ Neely
Oklahoma City
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