I understand Q-jets

[Daniel Grambihler]

Paul:

If the mechanical fuel pump can't keep one bowl filled, how can it
keep 2 bowls filled (assuming same rate of consumption & still only
one fuel pump)?

Thanks - Daniel

> 
> 
> >> 	There is a school of thought that the racers used to replace the
> >> Rochester QuadraJets with Holleys because they couldn't understand the
> >> QuadraJets! 
> 
>         To be more correct the reason the Holley carb is used over a Q-jet
> is because the Q-jet has a single fuel bowl in the center to feed both the
> primaries and secondaries.  Mechanical fuel pumps cannot keep this bowl
> filled, and electric fuel pumps that can keep an average carb filled run at
> a pressure that will blow past the Q-jet needle and seat, wich are only good
> to 7 lbs. 
>         The Holley has two fuel bowls, one on each end, which can be
> extended to hold even more fuel.  Their needle and seats also hold 9 lbs.
> and can be replaced with ones that hold up to 12 lbs.
>         I am not trying to start an argument, but there are people who
> subscribe to this list that run Holleys, and it is not because we can't
> figure out a  Q-jet.
> 
> Paul Tholey
> pft101 at psu.edu
> 


-- 
Daniel Grambihler
danielg at eskimo.com
'87 328 GTS  '95 D90 #3064 '96 900SS/CR