[DeTomaso] Stalling on hard braking

[Boyd Casey]

I painted them Red and I have a computerized die cutter so I also made
authentic looking brembo decals to finish the look of the "Big Reds".
Hugh


On Thu, Aug 1, 2013 at 5:53 PM, michael at michaelshortt.com <
michaelsavga at gmail.com> wrote:

> Nothing like good Ole American ingenuity.
>
> Congrats on solving the problem.
>
> Did you paint the calipers? What color?
>
>
> Michael Shortt
>
> On Thu, Aug 1, 2013 at 3:12 PM, Boyd Casey <boyd411 at gmail.com> wrote:
>
>> I had mentioned that since I installed my new Brembo Calipers ( the same
>> ones used in the  996 model ) (2001 to 2005 911 Turbo) A perfect choice
>> for
>> the Pantera due to their similar weight and  weight distribution . Along
>> with my dual CNC master cylinders, balance bar my and oversize  Coleman
>> vented rotors with gas vents , my car stops so hard and fast that I risk
>> having teeth fly out as a result of the negative g forces! Anyway ever
>> since these brakes were installed I have had a problem with stalling under
>> hard braking. I obtained and started reading the Holley 4150 double pumper
>> manual in an effort to remedy this situation as well as improve my
>> Carbperformance. I found out several interesting things. Apparently
>>
>> many people
>> mistakenly buy a larger CFM carb in the mistaken belief that it will give
>> them more gas and more power. The truth is a higher CFM carb will give
>> more
>> power ( to the correct engine ) ie: worked heads, High CI displacement,
>> High compression pistons. radical cam , headers etc but a smaller CFM
>> carbwill give much better throttle response and power off the line.
>>
>> Another
>> interesting thing I read said that an engine with #%! CI displacement
>> should have an air cleaner at least 14" in diameter and 4" high with a
>> minimum of 3/4" clearance between the vents and the lid of the air
>> cleaner.
>> I was running a smaller air cleaner because I liked the way it looked so
>> it
>> was both to small in diameter and too narrow ( the vents were too close to
>> the lid of the air cleaner. I reinstalled my dual plenum that uses two K&N
>> style air filters that allows much greater cfm and has almost 4" clearance
>> above the vents. The next thing ( although it should really be the first
>> thing is to adjust the float levels so gas is just dribbling out of the
>> sight holes. They also recommend vent whistles but since I didn't have a
>> Holley rebuild kit or float gaskets I used a trick i found on the "Off
>> Road" web sights. They recommend taking a piece of tubing and connecting
>> the two vents. This prevents the gas in the float bowls from sloshing
>> under
>> hard braking and accelerating and causing a flooding situation. Since as i
>> said I didn't have float bowl gaskets handy I couldn't install my new vent
>> whistles so instead I took a round a 6" piece of gas line and attached it
>> to the two vents and cut a small hole in the middle near the air cleaner
>> mounting post. I also used some carb cleaner and gave everything the once
>> over. So far it appears to have done the trick. I only tested it
>> accelerating and braking up and down my block but so far it seems to be
>> working.
>> Boyd
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>
>
>
> --
>
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>
>
>
>
> Michael L. Shortt
> Savannah, Georgia
> www.michaelshortt.com
> michael at michaelshortt.com
> 912-232-9390
>
>
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