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cmexlr8

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Discussion starter · #1 ·
I have a Comp Engineering 8 point cage from summit and after studying all of the past posts on the roll cage topic, I never did notice on whether or not I should use the plates that the kit comes with when I weld the bars to the frame.
 
I have a Comp Engineering 8 point cage from summit and after studying all of the past posts on the roll cage topic, I never did notice on whether or not I should use the plates that the kit comes with when I weld the bars to the frame.
I welded the bars to the frame, and cut the plates in half to cover the hole in the floor. Then used some sealer around the tube and the plate to account for some twist.
 
i believe the plates are only for uni-body cars. I believe its mandatory for them to be installed on them. Otherwise, you can weld directly to the frame.
Yes, this true. The unibody cars require plates, full chassis chevelles require it go to the frame.
 
Discussion starter · #6 ·
Thanks for the help. I have been staring and studying where I want to place the hoop. I want the hoop to come up where the seam is between the door glass and the quarter window glass, but I want to make sure I am legal in regards to where my head is related to the bar and where my seat is related to the cross bar. I have seen a few cages with bends in the cross bar to create like a pocket where the seat actually reclines past the vertical bart of the hoop. Is that legal? The nhra rule book is sparse when it comes to questions like this.
 
Bends in the cross bar are typically OK. As far as main hoop placement, you want the plane of the hoop just behind, but not more than 6 inches from the back of your helmet when you are seated in the car. (that is specified in rules) If you have a thick seat back, like a stock bench or bucket seat, bend the cross bar to create the "pocket".

R/ Dave
 
cmex, (Name ??)

Personally, I would think that bending a bar would make it easier to fail when needed the most. Before I did any bending, I would call CE and ask them, they are the ones that know.
 
Discussion starter · #9 ·
Bends in the cross bar are typically OK. As far as main hoop placement, you want the plane of the hoop just behind, but not more than 6 inches from the back of your helmet when you are seated in the car. (that is specified in rules) If you have a thick seat back, like a stock bench or bucket seat, bend the cross bar to create the "pocket".

R/ Dave
I plan on staying with my stock buckets, but may go to kirkey's. I have not decided.

cmex, (Name ??)

Personally, I would think that bending a bar would make it easier to fail when needed the most. Before I did any bending, I would call CE and ask them, they are the ones that know.
I sent CE and email - still waiting on a reply.

Dwayne
 
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