(MARRS-RX7) Roll cage?

Gervais, Al AGervais
Fri Mar 11 00:07:18 CET 2011

Yup, Autopower made them with both ERW and DOM stock. ERW cages were cheaper, but DOM are stronger, which is why they could use the narrower tubing. SCCA no longer allows ERW, but grandfathered existing logbooks.

I have an DOM cage I'm selling for cheap if anybody is looking, BTW..

From: DANNY MATULA [mailto:sga.racing at gmail.com]
Sent: Thursday, March 10, 2011 05:54 PM
To: Spec RX-7 <spec7 at specrx7.com>
Subject: Re: (MARRS-RX7) Roll cage?

Hummmmm its a bolt in cage.. I think auto power.. other than than who knows

On Mar 10, 2011 5:50 PM, "Gervais, Al" <AGervais at newcorp.com<mailto:AGervais at newcorp.com>> wrote:

Depends whether it was made with DOM tubing or ERW. The DOM (I think) is 1.5" and the ERW is 1 3/4"..

From: DANNY MATULA [mailto:sga.racing at gmail.com<mailto:sga.racing at gmail.com>]
Sent: Thursday, March 10, 2011 05:46 PM
To: Spec RX-7 <spec7 at specrx7.com<mailto:spec7 at specrx7.com>>
Subject: (MARRS-RX7) Roll cage?

Anybody know the tubing diameter of the cage behind the seat.. I need to mount my air vent fan

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