[DeTomaso] Holley Carb jet extension-stalls on braking

[clay willmott]

I recall a thread on the 351 C not being level and tilts forward which may cause the car to stall in some cases with hard braking.
A few people suggested a type of venturi or tube apparatus to run from the front to back of the carb as I recall.
My car does this of course.  It will die if you really mash the brakes right as you come to a complete stop.  It does Not do it with accelerating.

I called Holley to order one of these and the tech person who was very nice and seemed to know an awful lot said I would need Jet extensions #122-5000 which are 8 bucks.

Questions:

Can I try to have someone reset the float higher to stop stalling on braking?

Do I actually need those venturi pipe things or the jet extensions above?

Do I have to remove the carb?

A local shop told me if I bring it in they can try to adjust it then put it on the dyno?? 

I am not sure if my carb needs rebuilding or anything it is about 6 yrs old and is a Holley 4150 with 800CFM double pump with manual choke and mechanical secondary according to tech today when I gave him the stamped # on my carb.

Thanks

CW

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