Today im going to take off the holley 750 cfm carburetor on my 1970 corvette and show you how i do a basic setup. How to tell what size carb you need.
Holley Carburetor Tuning Guide 4150 Carbs Part 1
Holley double pumper 750 tuning. The mechanically operated double pumper carburetors seldom come with an electric choke. You take the engine cubic inch and multiply by the maximum rpm and divide by 3456. Welcome back to the channel. Power valve tuning theres more to tuning the holley power valve on the primary side than just choosing when the valve opens. Itll get a 2400 stall in the future. A 750 double pumper holley carburetor is a high performance carburetor that incorporates two accelerator pumps that are manually operated.
A holley 750 double pumper has fallen into my lap and is going atop a mild 350 in my 1975 camaro replacing a tired and badly tuned quadrajet that im just sick of messing with. On your engine. If you have an automatic transmission you will need a vacuum sec. Carb a standard transmission can use a double pumper carb. Its got a th350 with an 1800 stall and a 308 not optimal but ill shift in manually most of the time most likely anyways. How to tune holley carburetors.
Used for high performance or larger displacement engines they are infinitely tunable. Lets say you have a 750 double pumper holley 0 4779. This video will cover some of the basic.
Gallery of Holley Double Pumper 750 Tuning
