Should be somewhere around 350-400 hp, depending on how well the combination matches. Sounds like a combination that needs a lot of gear and loose convertor or a 4-speed.
This is a model 4150 holley. You should be able to find it by typing 4150 Holley illustration or breakdown etc. into google to find what you are looking for.
Easiest/cheapest way for a few more horses are an upgraded performance carb/intake (Holley/K&N, etc) and a less restrictive exhaust (high performance muffler, etc). Then they start to get more expensive - superchargers/turbos, etc.
The 4180 Holley carb vacuum helps with transmission performance on heavy vehicles. This Holley 4180 carb is a secondary function attached to a transmission.
Usually the best jet sizes for a Holley carb are the ones that came in it from the factory. Sometimes you can improve performance slightly by stepping up or down one or two jet sizes.
The holley has more cfm`s cubic feet per minute than a regular carb.and it also puts double the fuel into the intake faster than a regular carb.
Holley Performance Products, based in Bowling Green, Kentucky manufactures a range of fuel systems, such as carburetors; for various land, air & sea vehicles world wide.
Go to this website: www.innovatemotorsports.com , and go to their tech forums.
It will work with an adapter you can get from summit or other parts stores.It would take the same adapter as a holley to a quadrajet since its a replacement for the quadrajet on gm cars.
Lawrence Odell Holley and Ella Drake Holley
Holley Mangold's birth name is Holley Elizabeth Mangold.
Gibson Holley's birth name is Gibson Adelbert Holley.
Holley Performance Products has produced a number of after market carburetors for performance vehicles. They are used by all NASCAR Sprint Cup and NHRA Pro-Stock champions for the last 40 years.