OBXMarine

iTrader: (2)

I remember somebody having a 6pt cage a while back. 408Stepside maybe. He still couldn't run since his times required a 8 point. Or maybe it was a 4 point he had... Anyways. I remember him saying he couldn't upgrade. I'll see what I can pull up from a search. Best of luck to you

OBXMarine

iTrader: (2)

Maybe 4 Go Not To Show is who I'm thinkng of. Here's an excerpt from the post: https://ls1tech.com/forums/showthrea...ight=Roll+Cage



"Guys thanks for the props!

I am not sure I can get you the numbers for the truck in a ¼ mile – here is why. With the horsepower we are “planning” on it having it my be to much for the track. i.e. lets say I have enough power to get into the 11’s or even better – I would then need a six point roll cage, I only have a four point. I would have to ditch my rear window to put in two more bars going through my bed cover only to hack two holes in my bed and weld them to my frame.

I will however be posting mpegs of the dyno run/s on my website and there is a list of mods already there to view. I have a good idea what this thing might be capable of but I want to let the numbers speak for themselves as far as the horsepower etc. A friend told me I might be able to get something hooked up on the facility they filmed the drag race part of Fast & Furious on – I hear it is an old military airport or something? Anyway, it would not be an NHRA track and hence I could run with what I got? Anyone know about the track or that place I hear they used to or still do run auto’s there?

The Roll Cage A Buddy did it for me he now works at – Inclusive Metals, he is in the articles – I will ask him if he is into pre-fabing them and sending them out for those who want them?"

Flyer

iTrader: (1)

WTF ... his post is deleted in the original message.

I like that grommet idea that the Ford guy had. That was pretty slick looking. What about making the tubes with a bend in them on the side, so they aren't as obtrusive in the cockpit?

Slowverado

that guy had a 4pt cage, and you need a 6pt minimum. parish, you can have a solid sidebar, just move it down a little bit so you can get in over it, unlike the one in that lightning that you couldn't climb over.

O3GMC

I read somewhere that if the connection is strong enough (very large guage metal and pin), they can have a swing out bar.

Birdie2000

iTrader: (14)

My roll bar is NHRA compliant in my Firebird, and it has swing out doors. A NHRA certification guy built the cage, so I'd hope he knows what he's doing.

Slowverado

the NHRA rule book says that there will be no breaks, hinges, or extra welds from bar to bar, SO, your cage isn't legal. i might pass, but it isn't legal.

parish8

iTrader: (6)

Swing out side bar permitted on O.E.M. full bodied car 7.50 (*4.50) E.T. and slower. The following requirements (a through d) will be enforced on cars certified after 1/1/98, on all cars 1/1/99.

a. 1 5/8-inch (41.2 mm) O.D. x .083-inch (2.1 mm) (CM) or .118-inch (3.0 mm) (MS) minimum. Bolts / pins must be 3/8-inch (9.5 mm) diameter steel, minimum and in double shear at both ends.

b. Male or female clevis(es) permitted. Male clevis must use two minimum 1/8-inch (3.2 mm) thick brackets (CM or MS) welded to each roll cage upright; female must use minimum 1/4-inch (5.4 mm) thick bracket (CM or MS) welded to each roll cage upright. Pins must be within 8-inches (204 mm) of the vertical portion of both the forward and main hoops. A half cup backing device must be welded to the vertical portion of the main hoop (inward side) or the upper end of the swing out bar (outward side), minimum .118-inch (3.0 mm) wall (CM or MS) extending at least 1 5/8-inch (41.2 mm) past the center of the pins. A clevis assembly utilizing a minimum .350-inch (8.90 mm) thick male component and two minimum .175-inch (4.45 mm) thick female components may use a 1/2-inch (12.7 mm) diameter grade 5 bolt, and does not require a half cup backing device.

c. Sliding sleeves of 1 3/8-inch (35 mm) x .083-inch (2.1 mm) CM or .118 (3.0 mm) MS, with minimum 2-inch (51 mm) engagement, are permitted in lieu of the upper pin/cup.

d. All bolt/pin holes in the swing out bar must have at least one hole diameter of material around the outside of the hole.

Birdie2000

iTrader: (14)

As I said, my bar is legal.