I have seen variations on it over the years-I WOULD LOVE to hear from someone successfully using them and happy with them or why it doesnt work as advertised-my Buick was a Q-jet car, and I am well skilled in Q-jet repair and tuning, but my ford will have a holley----so-me too-anyone??
on powerblcok today they had it on the dyno and ran it, made adjustments, ran again...the adjustments look super easy and the install was straight forward...I think that if you were tuning on the dyno this would be a great itme to have...and it would save alot of time too...without having to drain and pull the bowls you probably could get 2 to 3 more pulls....just my impression anyway
If you can leave two black stripes from the exit of one corner to the braking zone of the next, you have enough horsepower. - Mark Donohue
holley bowls are easy to make , so they don't drop fuel all over the intake..
take a house water valve (like the ones you hook your garden hose to)
they have ones that have a blead, and it has an o ringed cap..
you take the bowl off. and find a spot to drill and add same sized bolt .. as the thread in the cap..
you drill a hole in the bolt(unless you can find ones already drilled)
thread it into the bowl with an o ring under the head..and some locktight..
add oringed cap..
need to drain bowls unscrew the cap from the blead you added.. on to a small rubbermaid container..
.. tada..
fixes the problem .. and only cost you . your time and what ever the bolts cost, and caps... unless you don't own drills and taps
it's super simple.. and why holley or b/g demon carbs hasn't done this
I'll never know
I alway used the holley quick change float bowls , they have little plugs to get at the jets and a magnetic screwdriver
weber power plates are very similar
holley had an electronic jetting system with an mc solenoid , david vizard used to use them all the time in his articles
I had one on my Dart back when they were sold by Holley as the Adjust-A-Jet. My overall impression was quite good. You could rejet the carb with the engine running, but my carb had issues that went well beyond the wrong jet sizes so I never did get it running right and went to EFI.
holley bowls are easy to make , so they don't drop fuel all over the intake..
take a house water valve (like the ones you hook your garden hose to)
they have ones that have a blead, and it has an o ringed cap..
you take the bowl off. and find a spot to drill and add same sized bolt .. as the thread in the cap..
you drill a hole in the bolt(unless you can find ones already drilled)
thread it into the bowl with an o ring under the head..and some locktight..
add oringed cap..
need to drain bowls unscrew the cap from the blead you added.. on to a small rubbermaid container..
.. tada..
fixes the problem .. and only cost you . your time and what ever the bolts cost, and caps... unless you don't own drills and taps
it's super simple.. and why holley or b/g demon carbs hasn't done this
I'll never know
Well that really doesnt matter man, this is for changing jets...on the fly...
If you can leave two black stripes from the exit of one corner to the braking zone of the next, you have enough horsepower. - Mark Donohue
holley bowls are easy to make , so they don't drop fuel all over the intake..
take a house water valve (like the ones you hook your garden hose to)
they have ones that have a blead, and it has an o ringed cap..
you take the bowl off. and find a spot to drill and add same sized bolt .. as the thread in the cap..
you drill a hole in the bolt(unless you can find ones already drilled)
thread it into the bowl with an o ring under the head..and some locktight..
add oringed cap..
need to drain bowls unscrew the cap from the blead you added.. on to a small rubbermaid container..
.. tada..
fixes the problem .. and only cost you . your time and what ever the bolts cost, and caps... unless you don't own drills and taps
it's super simple.. and why holley or b/g demon carbs hasn't done this
I'll never know
Holley had something like that for a while but from what I understand another guy has a patent on it
and made them stop selling it.
This was on a slant six. And that carb had some really stupid issues. Previous owner of the carb had put mechanical secondaries on a single pumper, among other things.
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