Author Topic: Monte Carlo Bar question  (Read 5699 times)

Jeff73Mach1

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Monte Carlo Bar question
« on: November 30, 2009, 11:19:57 AM »
I bought a Monte Carlo Bar, but have not installed it for 2 reasons.

1st the bar is straight as I could not find a curved bar.  I want to run an HEI distributor and will need the curve for clearance.

2nd the bar will pull my shock towers in 1/4 to 3/8th of an inch.  I feel certain that this will affect my alignment settings to some degree. I assume negative camber will increase and possibly toe in a bit and I have it set where I want it. I don't mind getting another alignment, but I do have another option.

My intention is to get a piece of tubing bent and make my own bar using the end brackets.  My option is to make it just a bit longer to fit the car's current "set", or to make it the dimensions of the bar in hand. 

I am undecided as to which way to go.  If the bar I have is the correct dimension, duplicating it would probably be best, but how do I know that the bar isn't that 1/4 to 3/8th inch short due to normal variations or design error?

Any ideas?

Soaring

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Re: Monte Carlo Bar question
« Reply #1 on: November 30, 2009, 05:52:33 PM »
The Monte Carlo bars are generally the right length and will push your fenders out a tad because thes old uni-body cars tend to push the shock towers in after years of running.  Most guys have a problem of getting a Monte to fit because the monte is too long, but is actually the right size, so they have to put the car on blocks and let it sit for a few days to "relax" the suspension in order to finally bang the monte into place.  Mine was different.  It just slipped right in.    The export brace should keep the shock towers from moving very much.    I put one on mine a few years ago, and didn't have any alignment issues afterwards.  Even if you have to get your alignment adjusted later, the investment in a quality Monte Carlo bar is well worth it for front end stability.  I would think twice about making your own. 
You can buy curved Monte's at just about any Mustang supply place. 

Jeff73Mach1

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Re: Monte Carlo Bar question
« Reply #2 on: November 30, 2009, 06:02:57 PM »
unfortunately, not for the 71-73 models.  Only the straight ones are available as far as my searching has shown.

Having one in hand I can comfortably say my welding is as good as that on the one I bought and I feel comfortable with it as a guide that I can build one better than I can buy.

The 71-73 models also use a 2 piece export brace, but I am going to fabricate a one piece tubular version and maybe even add provisions to tie it to the monte carlo bar.

Soaring

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Re: Monte Carlo Bar question
« Reply #3 on: November 30, 2009, 06:33:55 PM »
I'm red faced for jumping the gun on information.  You are right, in that only the straight Monte is available for your car.  Yeah, if you have the welding skills then go for it to make a one piece monte and export brace as a one unit.  You might even open up market for that product and make a zillion bucks.   ;D

Jeff73Mach1

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Re: Monte Carlo Bar question
« Reply #4 on: November 30, 2009, 07:18:42 PM »
and what would I do with a zillion bucks?  Oh yeah I know- Buy a bunch of land, build multiple race tracks and shooting ranges as well.  Buy or have built every car I desire and date every playboy playmate from now until the time I could no longer pay doctors to keep me alive.

Hmmm I wonder if the market would bear it?

Soaring

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Re: Monte Carlo Bar question
« Reply #5 on: November 30, 2009, 07:23:10 PM »
Well, with Obamacare you might live to be maybe 50.  ;D

Jeff73Mach1

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Re: Monte Carlo Bar question
« Reply #6 on: December 01, 2009, 12:44:23 PM »
Well this is my first draft of what I am going for.  Some of the joints that look like multiple pipes will be bent out of a single piece of pipe with a bit more curve to them than is seen in this quick and dirty drawing. 

Also, the Monte Carlo bar for the 71-73 mounts considerably lower than the earlier models so some of the braces from my export brace to monte carlo bar will be curved to clear the shock towers and extend downward.  It would interfere with some accessories, but since I neither have AC nor power steering it is not a problem for me.

Soaring

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Re: Monte Carlo Bar question
« Reply #7 on: December 01, 2009, 04:49:17 PM »
Looks like you are on the right track.  Good job!

Jeff73Mach1

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Re: Monte Carlo Bar question
« Reply #8 on: December 01, 2009, 05:31:47 PM »
looks overly complex to me.  If I was being honest with myself I would admit that the front end of these cars will never handle well enough to justify that much bracing.

Then again, I have no desire to update the entire front suspension so this will be a good and relatively cheap way to occupy my time.

I think I'll have it powder coated when I'm done.  What do you think about hot pink :D

Here is a revised and simplified version, though I think I can make it simpler, just can't draw it simpler in paint

Soaring

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Re: Monte Carlo Bar question
« Reply #9 on: December 01, 2009, 06:10:26 PM »
I felt a vast improvement in the handling of Ol' Yeller when I put on the Monte and the export brace.  The front end just feels much tighter and stiffer.  But, you are right about the uni-body construction just is not up to par with the framed cars and trucks.  However, when you get that device made and installed, you will have a smile on your face.  I have seen pics of guys who built their own and they made the Monte kinda square.  Meaning that they went out from the fender straight toward the carb, then made a 90 degree angle toward the radiator, then another angle straight to the adjoining brace on the other fender.  Just remember, that you are going to have to join that homemade brace at the cowl section, the shock towers AND the fenders to make it work right.  Otherwise, make a simple Monte, then buy an export. 

Jeff1967

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Re: Monte Carlo Bar question
« Reply #10 on: December 01, 2009, 09:20:27 PM »
OK,

Being a former GM owner and not knowing, I have a few questions. Is the Monte Carlo bar the curved bar on "Yeller" that is pictured running in front of the air cleaner housing bolted to both sides of the engine compartment? Also, are the Export
braces those parts bolted to the top of the shock towers  that run back to the fire wall I see on most Mustangs?

Jeff

Soaring

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Re: Monte Carlo Bar question
« Reply #11 on: December 02, 2009, 02:46:59 AM »
Here are more pics of the Monte and export I have on Yeller.  They are separate parts. 

Jeff73Mach1

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Re: Monte Carlo Bar question
« Reply #12 on: December 02, 2009, 08:45:46 AM »
To expand on that answer

GM attaches the front suspension to the front subframe-Ford attaches to the body.  The body flexes whereas a subframe attachment is heavier but far less flexible.  Export braces and Monte Carlo bars are designed to reduce the flex so that the upper and lower control arms don't move due to body flex.

here is a picture of a camaro front suspension

Jeff1967

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Re: Monte Carlo Bar question
« Reply #13 on: December 02, 2009, 10:21:04 AM »
Guys,

Thanks for the information. Is the Export brace I have seen on most Mustangs, Standard equipment from the factory?
The Monte Carlo bar an option? Did you have to drill the holes where the bar attaches on both sides of the engine compartment.? Or is there already a place where the factory has a preset spot that is already done? My car is down in storage and I cannot take a look today. But after reading your postings may want to install one...

That Camaro front suspension pic. looks familiar, owned a couple 1st and 2nd Gen. cars year's back.

Thanks,

Jeff

Jeff73Mach1

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Re: Monte Carlo Bar question
« Reply #14 on: December 02, 2009, 02:13:44 PM »
The Monte Carlo bar I bought uses 3 existing bolts on each side for attachment.  for the 71-73 models, the export braces came from the factory.  I can't say as to earlier models, though I expect the term "export brace" is an indication that it was not standard on all models.

The 71-73 models use 2 braces as opposed to a single unit and attach at the firewall to a "flange" across the upper edge of the firewall with 4 bolts.

The one piece braces would certainly have the potential to be stiffer.  I am strongly considering adding some metal to the attaching point at the firewall in order to better spread the load, though I suspect it would be overkill.


Soaring

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Re: Monte Carlo Bar question
« Reply #15 on: December 02, 2009, 08:50:10 PM »
The Monte Carlo bar did not come from the factory on any factory produced classic Mustang that I know of.  Shelby added that to his cars.  The export brace was used to send Mustangs overseas as the name suggests.  Mustangs that were sold in the United States had a two piece brace from the firewall to each of the shock towers. 
In order to add a Monte Carlo bar, you have to drill one hole on each side of each fender.  Here is a pic of mine.   The front bolt is the new one.   

Jeff1967

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Re: Monte Carlo Bar question
« Reply #16 on: December 04, 2009, 09:27:09 PM »
Thank you Jeff and Glen, you have explained and answered all of my questions, I appreciate it!

Jeff

 

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