[DeTomaso] Booster talk

JDeRyke at aol.com JDeRyke at aol.com
Sat Jul 18 15:40:33 EDT 2009


In a message dated 7/18/09 12:11:54 PM, julian_kift at hotmail.com writes:

> How many people have actually driven their Pantera down the road and 
> tested whether they can lock up their rear brakes?
> 
Your description is pretty complete and is true as far as I know. The rear 
calipers are sinfully undersized for a car with the weight and speed of a 
Pantera, and the stock proportioning valve only 'bandages a bullet wound' as 
the saying goes. What many also forget is, that valve was supposedly matched 
to the size of the stock tires. Still got those 185-70 x 15 belted-bias 
tires up front and 215-70 x 15s in back?
We lost the complete front brake circuit in the stock master cylinder on 
the way to 'Vegas one year. Fortunately, I'd removed the toy rear calipers and 
replaced them with Porsche 911S 2-piston FRONT calipers which are about 
twice as big as stock (they've now been on there 20+ years). We left S.J late, 
but Judy managed to catch and then keep up with the 'spirited' Nor-Cal 
caravan through the eastern Sierras, driving on the big rear calipers only. Her 
only comment on arriving was, '.... the brake pedal seems awfully long....'   
She was unable to lock even these rear brakes with our Pirelli P-7r rear 
tires and no proportioning valve at all. FWIW- J Deryke


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