Difference from a 8.50 to 25.5?
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322 Posts
yes there is a floor structure that is required and it all has specific bar sizes and locations.
your best bet it to buy the spec book from http://www.sfifoundation.com/
make sure you read it closely it can be difficult at time...trust me i am just finishing building my own.
your best bet it to buy the spec book from http://www.sfifoundation.com/
make sure you read it closely it can be difficult at time...trust me i am just finishing building my own.
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4,426 Posts
door x's, funny car cage, roof diagonal, rocker bars, "drivers seat bar" underneath, rear crossmember, front crossmember, additional underneath diagonals if the floor is cut out, roof gussets... i think thats most of them
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4,502 Posts
Yea there are a few extra bars for sure. Depending on how the rest of the car is built determine how many other bars you will need
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4,426 Posts
correct
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1,904 Posts
If you have the stock floors you don't need the center x in the frame or the side diagonals between the rocker bars and frame rails...
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9,266 Posts
What are you starting with? Body, floor all stock, rear suspension?
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9,266 Posts
If you want a useable rear seat, 25.5 won't work. Far too many tubes between the main hoop, rear down and diagonals and so forth.
Stock dash with a dash bar is tough as well. You can try to go behind it, but for me that required a fiberglass stock replacement dash. In front makes removing the dash all but impossible.
Stock dash with a dash bar is tough as well. You can try to go behind it, but for me that required a fiberglass stock replacement dash. In front makes removing the dash all but impossible.
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4,426 Posts
not true on my nova. the dash bar is behind the stock dash tucked up underneath, invisible unless u crawl underneath the dash. and it has full and complete back seat. yes absolutely there are some bars in the back seat area but everything is high and drops through the the package tray area. is it usuable? kinda.. is it practical for adults and a road trip or cimbing in and out? no way. but it can be done and looks cool as hell and thats what i wanted, the stockest looking interior but all the bars and safety stuff in place. i'd post pic but dont have any of back seat area.
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9,266 Posts
My hats off to ya, that was no easy task. Looks great though!
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4,426 Posts
thanks but cant take the credit for the stuff behind the main hoop, my buddy and i did the 25.5 upgrade on an 8.50 cage after i bought the car though. one day i will get a pic of back seat area. it actually works pretty good for kids cuz they can climb thru the area between the front seats since there is no seat brace bar blocking
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1,243 Posts
That is exactly what i would like, a little more work than usuall but in the end it will be worth it. To me anyway, like that factory interior look. Car looks sweet!not true on my nova. the dash bar is behind the stock dash tucked up underneath, invisible unless u crawl underneath the dash. and it has full and complete back seat. yes absolutely there are some bars in the back seat area but everything is high and drops through the the package tray area. is it usuable? kinda.. is it practical for adults and a road trip or cimbing in and out? no way. but it can be done and looks cool as hell and thats what i wanted, the stockest looking interior but all the bars and safety stuff in place. i'd post pic but dont have any of back seat area.
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Kevin
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4,502 Posts
for the floor you will need bar #'s 1, 2A, 6A, B, C, and 9 you can run the 2A bars to the tortion bar X-member but will still need the others.
and if you have subframe connectors in say 2 x 2 x.065 wall or better them can count as your 2A bars
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