--- Daniel1312@aol.com wrote:
> I'm still disagreeing.
>
> The 1500 being a heavier car will have more weight
> transfer under braking and
> therefore needs to work those marginal disks even
> harder while do less at the
> rear. Surely an argument for bigger brakes up
> front.
>
> As far as 3 hours of racing braking goes is this a
> car that weighs the same
> as a roadgoing 1500 or a 64 that weighs many
> hundreds of pounds less? So, how
> come it would be adequate for road use?
>
> regards
>
>
> Daniel1312
>
Daniel,
My car is a true vintage racer, headlights, full
wiring harness, interior panels, all the chrome, stock
dash plus full rollcage, and heavy ATL full cell.
Curb weight or rather starting line weight ;^)sans
driver is 1510 lbs and I'm about 175 plus about 20 lbs
of race gear. If my math is right that's 1705 lbs
total with full fuel. Now add in the effect of larger
street radials (205X70) and 5 1/2 inch wide minator
rims, I believe that I have added quite a bit more of
centrifugal energy that the brakes must haul down
also. I would imagine that's pretty close to a 1500
street ready car. Now about weight transfer to a
heavy car, what is the spring rate of the different
vehicles? Is the spring spec for the 1275 the same or
different for the 1500? Wouldn't a heavier car be
given slightly heavier springs thus compensating for
the extra load under all conditions?? Correct me if
I'm wrong but isn't the size of the brakes to be in
concert with the anticipated size of the tire to be
used plus the weight of the rotors and calipers to be
considered also? Sure you can slap on set of
humongous (sp) calipers and up the swept area of the
pads but it has to be within certain boundries for the
tires and weight considered. Between the engineers
and the bean counters a compromise must be struck
somewhere. I guess that things being equal just about
every car on the road probably could benifit from some
type of upgarde to it's braking system but when is too
much? All of this is just for the sake of
conversation, you understand, I am not really arguing
about all of this just trying to explain my point of
view that I believe that the spridget comes with more
then adequate brakes and given proper maintenance will
be able handle any situation that will be asked of
them..
Safety Fast, Bob
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