Re: [Chrysler300] How did the 300 B turn 139 MPH at Daytona

[Rich Barber <barber@xxxx>]

I have enjoyed the question and responses. My RV has similar 
aerodynamics and my observation is that wind velocity and direction have 
a significant effect. Time of day and resultant variance of ambient 
temperature would also have an impact on the free air capacity of the 
hemi. 

Rich Barber

Roger Schaaf wrote:

> I believe that the car that turned 139 plus had several also rans 300 B's
> that turned around 130 to 135. To get that additional 5 to 10 mph from the
> slowest to the fastest would require a tremendous additional power in these
> non-streamlined cars.
>
> What do you all suppose the fastest car had done that gave him this edge and
> still remain factory stock.
>
> Exhaust?, rear gearing?, motor blueprinting? cast iron cahones?, super
> tuning of what sorts?, perhaps heaven forbid! some very clever cheating(naw
> these Nascar, Daytona, Grand National heroes would never think of
> this--sorry I lost my head).
>
> Anyone with any ideas, let us all know what you think.
>
> Somewhere out there(perhaps in the great beyond however) someone knows these
> almost 50 year old secrets.
>
> Roger Schaaf
> ----- Original Message ----- 
> From: "Owen & Jo Grigg" <ram300@xxxx>
> To: "Chrysler 300 list service" <chrysler300@xxxxxxxxxxxxxxx>; "Roger
> Schaaf" <obiwan10@xxxx>
> Sent: Friday, November 21, 2003 4:20 PM
> Subject: Re: [Chrysler300] How did the 300 B turn 139 MPH at Daytona
>
>
> The racing & speed trials run at Daytona Speed Week were sanctioned by the
> AMA(Auto Manf Association) so the cars had to be as they left the factory. I
> have a '57 Daytona video where they show the cylinder heads being pulled to
> bits prior to racing by officials. They were checking for any port work,
> valve sizes etc etc. Everything had to be stock. The engines were then
> reasembled and tag seals put on all components by race officials so there
> was no "tweaking" after the inspection.
> These things ran close to 140 out the factory door!
> Owen
> ----- Original Message -----
> From: Roger Schaaf <obiwan10@xxxx>
> To: Chrysler 300 list service <chrysler300@xxxxxxxxxxxxxxx>
> Sent: Saturday, November 22, 2003 8:16 AM
> Subject: [Chrysler300] How did the 300 B turn 139 MPH at Daytona
>
>
> Does anyone have knowledge on what was done to the several 300 B's that ran
> at Daytona in 1956 that ran up to 139 mph.
> How close to stock were they. Somehow I have a tough time believing that
> running on sand with the aerodynamics of a sail turning upward of 140 mph
> with a stock motor would be doable.
>
>
>
>
>
>
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