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

[wkooiman at earthlink.net]

WOT in a Prius is barely over an idle in a Pantera.


-----Original Message-----
>From: Julian Kift <julian_kift at hotmail.com>
>Sent: Mar 10, 2010 2:21 PM
>To: Jack Deryke <jderyke at aol.com>, teampantera at yahoo.com, De Tomaso List <detomaso at realbig.com>
>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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