What year is the car? What are you gonna use it for? 4 point, 5 point, 6 point or cage? Are you a drag racer, a road race or just looking for added street protection?
Careful with the Autoform one (or any "bolt in"), last time i checked they had it bolting to the floor pan (they may have changed it). In my opinion it is basically there to look cool and add weight to the car. It will not do much as far as protecting you in crash and will not stiffen the car much. A roll bar bolted to the floor pan is not going to help you when the car rolls over at 100+!! you might as well bolt it to tinfoil.
For your car and the power it is going to be making, i recommend finding a GOOD local chassis shop that has experience building safe, high quality roll bars in the car. Ask to see some of the cars they have done in person before you commit to a shop. You will quickly be able to tell the hacks from the quality guys. At this level you are going to want to get one welded in to the frame and supports. If done correctly it will not only protect you but will actually transform the way the car handles. No professional race team i know of uses a "mail order" roll bar for good reason. It is going to cost more but will be well worth it in the end. I am not saying that you have to put a full cage in(with door bars and such) but at least do a rear cage that ties the upper shock towers to a rollover bar. Also make sure the bar is fabricated out of quality Chrome-Molly tube and not the less expensive mild-steel. you could also stare with an Autoform bar and modify it if you are comfortable with doing such things. but that would involve stripping the paint and everything off of it, then fabricating as needed and then welding it in. At that point you might as well go with a custom shop locally. This is kind of like the drive shaft loop, you have gone this far with the car.
Talk to Paolo about roll bars and the like if you still have questions. He had a full cage in his car way back when the engine was still stock.
Careful with the Autoform one (or any "bolt in"), last time i checked they had it bolting to the floor pan (they may have changed it). In my opinion it is basically there to look cool and add weight to the car. It will not do much as far as protecting you in crash and will not stiffen the car much. A roll bar bolted to the floor pan is not going to help you when the car rolls over at 100+!! you might as well bolt it to tinfoil.
For your car and the power it is going to be making, i recommend finding a GOOD local chassis shop that has experience building safe, high quality roll bars in the car. Ask to see some of the cars they have done in person before you commit to a shop. You will quickly be able to tell the hacks from the quality guys. At this level you are going to want to get one welded in to the frame and supports. If done correctly it will not only protect you but will actually transform the way the car handles. No professional race team i know of uses a "mail order" roll bar for good reason. It is going to cost more but will be well worth it in the end. I am not saying that you have to put a full cage in(with door bars and such) but at least do a rear cage that ties the upper shock towers to a rollover bar. Also make sure the bar is fabricated out of quality Chrome-Molly tube and not the less expensive mild-steel. you could also stare with an Autoform bar and modify it if you are comfortable with doing such things. but that would involve stripping the paint and everything off of it, then fabricating as needed and then welding it in. At that point you might as well go with a custom shop locally. This is kind of like the drive shaft loop, you have gone this far with the car.
Talk to Paolo about roll bars and the like if you still have questions. He had a full cage in his car way back when the engine was still stock.
Well said and I agree with everything except the moly tubing part. Moly tubing in a street ar is a bad idea. The tubing will fatigue over time being driven on the streets and cause it to crack. Moly racecars are superior in strength and flexibility but have a limited lifespan. There is nothing wrong with properly sized mild-steel tubing. The only disadvantage is weight. DOM tubing is plenty strong and is durable enough for the street.
I wish you lived closer Carl, I would love to put a cage in that animal.
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