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Chromoly or Mild Steel Cage
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I'm cutting out our 8 point 1 3/4" roll bar out of the 80 Camaro. I need to put in a 8.50 cert. cage. I thought I wanted a chromoly cage for a weight savings, but now thinking about mild steel. The only real reason to use chromoly in this application is a weight savings; write or wrong thinking?


1980 Camaro
Taking the Best Working Small Tire Shyt Box & making it Greater Than Before!
3000 lbs.
Pump Gas 436
 
Posts: 2772 | Location: NV. | Registered: October 20, 2006Reply With QuoteReport This Post
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Picture of HS professor
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quote:
write or wrong thinking?



WRONG Smile

In todays day and age a nice tig welded moly bar/cage will add significant value to your race car and is obviously safer/stronger not to mention much nicer looking as 1-3/4" tube looks huge compared to 1-5/8".

The roll bar/cage is the bones to your vehicle, dont cut corners .

JMO
 
Posts: 1422 | Location: Monroe twp nj | Registered: December 05, 2005Reply With QuoteReport This Post
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Wrong x2
 
Posts: 13522 | Location: NJ | Registered: August 20, 2000Reply With QuoteReport This Post
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Moly for resale also.



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Posts: 3138 | Location: KIEFER, OK. | Registered: August 17, 2007Reply With QuoteReport This Post
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Thanks for the constructive criticism so far. I've owned the car almost 35 years & will be probably be buried in it or passed it on. Race vehicles are a money pit, value/resale not a factor for me (but duly noted). As for the 1 5/8" tubing over 1 3/4" yes nicer looking, but I get that with either chromoly or mild steel.

So, now I have to decided how much safer the car will be with chromoly over mild steel. I'm still leaning towards chromoly.

Thanks for the inputs so far. Smile


1980 Camaro
Taking the Best Working Small Tire Shyt Box & making it Greater Than Before!
3000 lbs.
Pump Gas 436
 
Posts: 2772 | Location: NV. | Registered: October 20, 2006Reply With QuoteReport This Post
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Picture of HS professor
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quote:
I've owned the car almost 35 years & will be probably be buried in it or passed it on.



Easy decision then

Chromoly it is Big Grin
 
Posts: 1422 | Location: Monroe twp nj | Registered: December 05, 2005Reply With QuoteReport This Post
DRR Sportsman
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Strength wise, mild steel done correctly is perfectly safe.

As attached to this car as you obviously are, just having the best hardware for a few pennies surely has a value to you? Less weight is horsepower you only have to buy once. CM cage cars are just cooler too!

RIP


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Our survival is not guaranteed.
 
Posts: 794 | Location: Lake Charles La | Registered: January 29, 2002Reply With QuoteReport This Post



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quote:
Originally posted by HS professor:
quote:
I've owned the car almost 35 years & will be probably be buried in it or passed it on.



Easy decision then

Chromoly it is Big Grin


LOL, I wish it was that easy!

I have saved 50 K for my final racing years. Unfortunately most will be spent on a 34' bathroom package trailer. The remainder will be spent on car upgrades.

After that happens, I still need to reconfigure the cars engine/drive train for a Procharger.

I pay cash for everything, but a mortgage/one vehicle payment & put down good amounts of $$$ on them.


1980 Camaro
Taking the Best Working Small Tire Shyt Box & making it Greater Than Before!
3000 lbs.
Pump Gas 436
 
Posts: 2772 | Location: NV. | Registered: October 20, 2006Reply With QuoteReport This Post
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quote:
Originally posted by SC4400:
Strength wise, mild steel done correctly is perfectly safe.

As attached to this car as you obviously are, just having the best hardware for a few pennies surely has a value to you? Less weight is horsepower you only have to buy once. CM cage cars are just cooler too!

RIP


My previous post explains things a little better & thanks for you opinion!


1980 Camaro
Taking the Best Working Small Tire Shyt Box & making it Greater Than Before!
3000 lbs.
Pump Gas 436
 
Posts: 2772 | Location: NV. | Registered: October 20, 2006Reply With QuoteReport This Post
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quote:
Originally posted by B KING:
I've owned the car almost 35 years & will be probably be buried in it or passed it on.


Then when you are gone and someone sells it, having a moly cage will get them more money. That's how I think about the resale part.



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Posts: 3138 | Location: KIEFER, OK. | Registered: August 17, 2007Reply With QuoteReport This Post
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I made a call to a long time friend & owner of Goff Motorsports Fabrication. He knows me, our car & how we race. He asked a few questions about the direction I wanted to go with the car. His perspective was build the cage as 7.50 cert. with mild steel. That caught me totally off guard. Anyway, the guy doing the work for me was mentored by Goff. Now, I need to discuss it with him. The work is going to start in the Fall/Winter, guess I have a little time.


1980 Camaro
Taking the Best Working Small Tire Shyt Box & making it Greater Than Before!
3000 lbs.
Pump Gas 436
 
Posts: 2772 | Location: NV. | Registered: October 20, 2006Reply With QuoteReport This Post
DRR Top Comp
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I guess mild steel could work for your needs but with higher resale value and lighter car I would go with the Chromemoly. Lighter weight is better performance.


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-a type of Cognitive bias where people with little expertise or ability assume they have superior expertise or ability. This overestimation occurs as a result of the fact that they do not have enough knowledge to know they don't have enough knowledge.

Before you argue with someone ask yourself, "Is this person mentally mature enough to grasp the concept of a different perspective?" If not there is no point to argue.

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Posts: 4261 | Location: United States of Texas | Registered: April 02, 2011Reply With QuoteReport This Post
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Regardless of mild or CM.
Have it tig welded.
I know tig is required for CM but not for mild steel.
So easy to lay a nice round cold turd weld with a mig gun. Looks great but wont hold under impact.
Not saying mig welding can't be strong because it can.
I'm saying a mig welder in the wrong hands can look good but be bad.


Bruce Lee Cool

Experience is what you get when you don't get what you want.
 
Posts: 2060 | Location: Chandler Arizona | Registered: August 11, 2005Reply With QuoteReport This Post
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IMO molly is no brainier. Yes the material cost more. The work to install is same. Half the weight,stronger and if your kids have to sale car after you die then they have better chance of getting some of their inheritance back.LOL




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Posts: 4491 | Location: Greensboro NC | Registered: May 24, 2011Reply With QuoteReport This Post



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As one well known chassis builder told me.Steel if tractors and molly is for race cars.




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Posts: 4491 | Location: Greensboro NC | Registered: May 24, 2011Reply With QuoteReport This Post
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quote:
Originally posted by B KING:
I made a call to a long time friend & owner of Goff Motorsports Fabrication. He knows me, our car & how we race. He asked a few questions about the direction I wanted to go with the car. His perspective was build the cage as 7.50 cert. with mild steel.

yea that's the guy you want to listen too. Roll Eyes
 
Posts: 13522 | Location: NJ | Registered: August 20, 2000Reply With QuoteReport This Post
DRR Sportsman
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Most people want moly when they call me. For the ones on the fence, I grab a chunk of mild and moly the same sizes and let them compare. If that doesn't work, then I throw a piece of each in the bender and show them spring back(think of tubing during impact)……..never had to go ****her than that.
 
Posts: 1364 | Location: Lansing,Mi | Registered: March 20, 2007Reply With QuoteReport This Post
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C H R O M E M O L Y Big Grin


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Posts: 4639 | Location: Vacaville  | Registered: January 07, 2004Reply With QuoteReport This Post
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..never had to go ****her than that.


Wish some of my f.a.r.t.s were censored!!!!
 
Posts: 194 | Location: Rock><Hard Place | Registered: February 20, 2010Reply With QuoteReport This Post
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Id skip both and go for Chromium-Molybdenum instead..... Laughing very hard
Welder


Mikey
 
Posts: 1710 | Location: In a Marriott near you! | Registered: February 10, 2006Reply With QuoteReport This Post
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