Posted By: Dodgeballs
Recommenfations on torsion bars and shocks please - 11/04/13 04:14 AM
I don't want to spend a bunch of money now, so I would like to build around what I have now.
1969 Dart
340 4 spd. 3.91
Oval track leafs
245/60/14 back
215/70/14 front
I was thinking of addco sway bars because of price.
1 1/8" fronts
3/4 or 7/8" rear?
What size torsion bars should I use? A decent cheaper shock (but if bilsteins are a lot better for a couple hundred more, I guess I can go that way)?
I just rebuilt the front end. What camber/caster/toe settings? The car is not a daily driver. It doesn't go far - I'm in Hawaii. I don't mind a little more aggressive camber setting, I think.
Thanks for any suggestions.
Posted By: jcc
Re: Recommenfations on torsion bars and shocks please - 11/04/13 07:49 PM
So in on the island you must always be turning?
90% of what you are seeking has been covered in other threads here, they are worth reviewing, my only initial comment I'd make, and there are differing opinions on this solution, is only consider the rear bar after everything else is sorted out, and then decide.
Posted By: Mopar Mitch
Re: Recommenfations on torsion bars and shocks please - 11/04/13 07:55 PM
Regarding TBs... for your a-body.. don't be afriad of stiffer rated bars.. i know a few guys running the 1.14s on the street for A-bodies.. not bad at all and they wouldn't hesitate to install 1.18 if they really wanted to... and you would not regret it.. in fact, it'll end up being a new base for the best suspension mod you'll make.. and remember to keep it an overall "package" (TBs, leafs, shocks, sway bars, bushings... your tires are pretty small, especially in the front.. consider other sizes as well as rims.
Posted By: Supercuda
Re: Recommenfations on torsion bars and shocks please - 11/05/13 01:15 AM
Weight has a prime effect on good handling. With AC, without, battery relocated, any weights removed or relocated. It all plays into the effect. Front to rear ratios are important too.
Most of the posters here are into a lot more than just a better handler on the street, sorta semi serious about it actually.
You may want to narrow the options down for us otherwise you are gonna get a bunch of high dollar suggestions. You got a budget?
Posted By: Dan@Hotchkis
Re: Recommenfations on torsion bars and shocks please - 11/05/13 07:40 PM
You should always try to match your spring rates with your shocks and sway rate tuning. We spend a lot of time tuning our suspension and our shocks work great with Firm Feel's 1.06 T-Bars. The spring should be what holds the car up and keeps the suspension from bottoming out, the shock should control that motion. I believe there are no shocks on the market as dialed in for a specific rate and ratio as ours.
Posted By: Supercuda
Re: Recommenfations on torsion bars and shocks please - 11/06/13 02:14 AM
Gee, wonder why a rear bar was a problem?
Posted By: ahy
Re: Recommenfations on torsion bars and shocks please - 11/07/13 02:47 AM
As several have stated, it depends on what you are after and budget. Sounds like you want a good street handler and not break the budget. T bars in the .92-.96 range are a big upgrade over stock and don't need high end shocks. Good parts store gas shocks or KYB's should do it. Agree skip the rear bar as a start.
For alignment, I like -.75 camber, +5 caster and factory toe settings. That is hard or impossible to get with factory parts. Offset upper bushings help as do tubular UCA's. With stock parts, some positive caster and negative camber will get it done. Its a trade off between the two so you just have to keep it balanced.
Posted By: PHJ426
Re: Recommenfations on torsion bars and shocks please - 11/07/13 02:41 PM
To get an idea of how much weight your car has maybe try hitting a truck weigh station on your "Interstate" on the island?
If you get there and it's unattended you might be able to see the display through the window. Weigh the complete car and then place just the front 2 tires on the scale and then weigh with the rear 2 tires only on the scale.
With this information you can use the 10% of front end weight that Andy uses with his torsion bar tango application article.
When you set the car up for the track there are adjustments you can make to the chassis and suspension (of which I don't know all of them) that will "move" the weight around the corners of the car. Other moves like changing battery location can be tried out as well.
But for what your looking for right now, get the amount of weight that is placed on the front tires in an at rest condition your decision can be made confidently.
Posted By: TC@HP2
Re: Recommenfations on torsion bars and shocks please - 11/08/13 03:22 PM
You can also find scales at landscaping companies, drywall suppliers, waste transfer stations, and I'd imagine, some freight companies that are boxing loads in/out of the docks.
To take a wild stab at it, I'd bet your car is around 3200# with a 56% front bias, or roughly 1800# on the nose. So a 10# figure for that would be 180# t-bar rate, or just a hair under 1". For simplicity, call it 1" and your good.
If this is a bucks down approach then pick up a solid 1.125" front sway bar, bolt it all together and see how it feels.
Posted By: astjp2
Re: Recommenfations on torsion bars and shocks please - 11/08/13 10:05 PM
Don't forget about preventing brake dive, larger torsion bars help prevent this. I have 1.03's on my b-body but I am thinking I need to go larger because of my heavy world block and other heavy parts that I am installing. TIm