It looks like you might have some extra tubes. Also I'll put an updated model here in the next days. I just have to go thru it make sure I don't have any temporary 12" tubes added somewhere.
Here's a screenshot of my Car9 in SketchUp. SeattleTom and Briggs have their own models with slight changes for their cars. My car has some changes I made while trying to fit the engine and transmission pretty far back. You can see the rectangular tube that would cross the bottom of the dash hoop has been cut in the middle and and moved back to form a V shape. This cut area now has vertical tubes rising to the middle of the dash hoop.
The upper and lower frame tubes are long straight sections with a bend at the cockpit or a hoop shape in the rear. So some of the bends in your picture look like they have errors in my model. The width of the car at the nodes 1 foot back from the front looks wrong. I'll put a close up of that area in the next post
Attachment:
Car9G_Overview1.jpg
The frame rails are straight here and there isn't really a second bulkhead 1 foot behind the front bulkhead. The rear legs of the control arms go into those 1x2 that are sort of flying a couple of inches in from the rails. The front legs of the suspension are perpendicular to the front bulkhead. So the full cornering load goes in there and the braking loads go thru the rear legs.
Attachment:
Car9G_Overview2.jpg