[DeTomaso] Has anyone used Marino's Offset Front Bushings toIncrease Cast

[Mad Dog Antenucci]

6.5 to 7? its gotta be huge.
you are my new hero.....obviously you didn't ready Jack or Mike's comments ;-)
 
Mad Dawg Antenucci 
Team Pantera Racing 
The 1st & still the only vintage race team in open road racing 
www.teampanteraracing.com




________________________________
From: Julian Kift <julian_kift at hotmail.com>
To: Jack Deryke <jderyke at aol.com>; teampantera at yahoo.com; De Tomaso List <detomaso at realbig.com>
Sent: Wed, March 10, 2010 12:21:17 PM
Subject: Re: [DeTomaso] Has anyone used Marino's Offset Front Bushings toIncrease Cast


I too notice no increased steering effort and that's on a GT5 wide body with 10" wheels and 275 width tires and around 6.5 to 7 degrees of caster. I can assure you my overall driving experience is improved by ~1000% as before the mod I would keep both hands firmly on the wheel because if it hit a pothole or seam in the asphalt it would rip the wheel from your hands.



IMHO if you need to be able to turn with one finger then it's time for a Toyota.... just remember that one finger steering effort ain't gonna do shite when the accelerator pedal decides you need to be going WOT.



Julian

> From: JDeRyke at aol.com
> Date: Wed, 10 Mar 2010 14:41:04 -0500
> To: teampantera at yahoo.com; detomaso at realbig.com
> Subject: Re: [DeTomaso] Has anyone used Marino's Offset Front Bushings toIncrease Cast
> 
> In a message dated 3/10/10 9:11:52 AM, teampantera at yahoo.com writes:
> 
> > I keep hearing about 'increased steering effort' but at 5.5 degrees I 
> > don't see much increased in traffic or parking difference over 2+. 
> > 
> In vehicle steering systems, when the car is turned you actually lift the 
> whole front of the car a few thousandths of an inch. If you have more caster, 
> the height you must lift the weight is more. This weight aids the 
> self-centering effect and is valuable at high speeds. Most drivers nowadays are used 
> to one-finger power steering and thus the extra weight in a Pantera with 
> extra caster is noticable. Whether this bothers a driver depends on whether 
> they -A- have corrected the bad scrub radius of the stock 7" front wheels, and 
> -B- are not very strong. Going above 'some speed', the amount lifted is more 
> gradual for a given turn thus less apparent. 
> Worst example of caster is a road grader: they run about 15 degrees caster 
> and when those things turn 90 degrees, the tires lay over almost onto their 
> sidewalls. To compensate, the steering ratio is VERY slow so the weight 
> lifted with the steering wheel is not overpowering. Chopper motorcycles with 
> raked-out forks are another; some extreme bikes will lay over the tire so far 
> they scuff the rim edge in a sharp turn.
> 
> Generally, the wider the front tires, the more caster a car needs to 
> prevent tram-lining and 'hunting'. The stock Pantera's 2.5 or so degrees worked 
> fine when the cars had 185-70 x 15 front tires. FWIW- J DeRyke
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