[TPR] 4 TO 4.5 NEG CASTER WITH PPC

[DENNIS ANTENUCCI]

Larry & Team,

Thanks for feedback and education. I am excited to see how the mods change handling. 

Dennis & Mad Dawg


Sent from my iPhone

> On Apr 4, 2022, at 1:57 PM, Larry Stock via TPR <tpr at teampanteraracing.com> wrote:
> 
> 
> GUYS,
> Caster is what makes your steering wheel return to and become neutral in a straight driving condition.
> Adding caster will make the Pantera more stable going in a straight line at speed
> Adding Caster will also give more front end grip cornering to a point, but will also make the car harder to steer into a corner and may tend to whip the steering wheel back into a straight running position.
>  
> Stock Caster is about +2 degrees
> ADD Offset front suspension bushings add 1-1/2 degrees
> Shave the Upper Ball Joint and add a .100 shim, add 1 degree
> Without modify the A-Arms we can get about 4-1/2 degrees
>  
> Rear weight biased Porsche’s run 6-9 degrees of positive front caster
>  
> Larry Stock
> 
> Pantera Parts Connection LC
> 550 Mallory Way
> Carson City NV 89701
> 
> www.PanteraParts.com
> PH  775-283-4411
> Fax 775-283-4410
> Cell 1-800-DeTomaso 800-338-6627
>  
>  
>  
> From: TPR <tpr-bounces at teampanteraracing.com> on behalf of Charles Engles via TPR <tpr at teampanteraracing.com>
> Reply-To: Charles Engles <cengles at cox.net>
> Date: Monday, April 4, 2022 at 1:38 PM
> To: 'DENNIS ANTENUCCI' <TEAMPANTERA at yahoo.com>
> Cc: <tpr at teampanteraracing.com>
> Subject: Re: [TPR] 4 TO 4.5 NEG CASTER WITH PPC
>  
> Dear Dennis,
>  
>                  How much positive caster do you have now?   I am keen to know if you will perceive a difference and improvement.
>  
>                  I would note that our friend Tom Upton was running positive 5-7 degrees and he noted another bit of improvement with the SACC electric power steering unit.  If Tom recommends power steering with big positive castor, then it might be a consideration.
>  
>                             Warmest regards, Chuck Engles
>  
> From: TPR [mailto:tpr-bounces at teampanteraracing.com] On Behalf Of DENNIS ANTENUCCI via TPR
> Sent: Monday, April 04, 2022 2:39 PM
> To: tpr at teampanteraracing.com
> Subject: [TPR] 4 TO 4.5 NEG CASTER WITH PPC
>  
> Afternoon TPR
>  
> FWIW
> While I already purchased Johnny Woods modified A-Arms where I hope to get 5-7 degrees neg caster…..here is Larry’s mods where he got 4 to 4.5 neg caster.
>  
> Dennis
>  
> Sent from Mail for Windows
>  
> From: Larry Stock
> Sent: Monday, April 4, 2022 10:48 AM
> To: DENNIS ANTENUCCI
> Subject: Re: QUARTER WINDOW RUBBERS
>  
> I got 4 & 4.5 degrees of caster with the offset bushings and shaving the upper front ball joint.
> 02001P
> PPC Front Upper Ball Joint Modified for + Caster
> 135.00
> I think the Pantera may want up to 6-9 degrees of front caster.
> Here are the A-Arm Sectioning and spacer photo’s I have you can work with.
>  
> Do you have ASA’s Address handy?
>  
> Larry Stock
> 
> Pantera Parts Connection LC
> 550 Mallory Way
> Carson City NV 89701
> 
> www.PanteraParts.com
> PH  775-283-4411
> Fax 775-283-4410
> Cell 1-800-DeTomaso 800-338-6627
>  
>  
>  
>  
> 
> On Apr 4, 2022, at 10:23 AM, Larry Stock <larrys at panteraparts.com> wrote:
> 
> 
> I have both, I assume you probably want a good used one.
> Larry
>  
> Regarding my Pantera underside downforce work, Here is an excerpt from
> https://www.hagerty.com/media/motorsports/are-f1-and-nascar-manufacturing-drama/?utm_source=SFMC&utm_medium=email&utm_content=MED_UN_NA_EML_UN_SaturdayRoadTrip&hashed_email=fb1f43ec025e8215388f0ce0823a6e37e643701df67837453081ee2c33561ece
>  
> For the first time since the 1980s, when F1 cars resembled upside-down airplanes, ground effects are utilized in the aero regulations for the new car. Its floor has two large channels running front-to-back. Air travels under the vehicle and through the Venturi-shaped channels, which creates an area of low pressure and “sucks” the car to the track. Since the underside of the car provides much of the grip, the need for air on the wings to generate downforce is reduced. 
>  
>  
>  
>  
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