In addition to the basics, extra parts are included for performance tuning accelerator pump discharge nozzles, accelerator pump cams, vacuum secondary springs, and extra gaskets. Very early B series have the last 2 digits of the identification number stamped on the airhorn. Only the 3310 was a 780. These rebuild kits include Holley parts: new gaskets, O-rings, pump diaphragm s , needle and seat s , power valve s , and a step-by-step instruction sheet of the rebuilding process. It's never been easy to find the right replacement parts or order the right rebuild kit if you don't know exactly what it is that you're rebuilding โ until now! My expectations were simply too high.
I have at least 500 Holley numbers in my database that are not in the book. If it's a R3310-1 it's a 4150 with the block. There are three types of identification on Rochester carbs. Occasionally, one of these can be done via telephone we would tell you what to look for. These carburetors carry the exact same identification as their Rochester counterparts, and parts are directly interchangeable.
After 1940 this trend was reversed, and most carburetors were stamped on the top surface of the airhorn along one of the edges. Cost will vary with the amount of time necessary. This short, informative video should answer any other questions you have. Hope that helps a bit. This is the only sure way of knowing your Holley carburetor will return to its original specifications in a like-new condition. About Us Holleyยฎ has been the undisputed leader in fuel systems for over 100 years.
If you live at a higher altitude or in warmer or colder climates, changes can then be made appropriately. Granted, the choke tower is removed but the other ones have them and still no sales. The three digit date code is broken down with the first number being the year of manufacture, the second number or letter being the month of manufacture 1 through 0 for January through October, and then the letters A and B for November and December , and the third number being the week of the month. The model is D and the number is 320. Carb Decode Carburetor Holley Holley carburetors have been used on high performace engines since the early '60's. You'll learn the key to figuring out exactly what carb you have: the list number. P โ pump 14 and 16 models R โ governor connections, same side as bowl or on right side S โ straight thru for updraft carburetors T โ balanced or sealed bowl vent U โ universal replacement carburetor special flange c.
If it's newer R3310-2 or -3, etc. Have a great evening sir. Fast Kits Like the Trick Kit, Fast Kits use only quality Holley parts and include step-by-step instructions and detailed tuning guide. Thus, Holley can not guarantee an answer or timing on an answer. Listed below are Schebler models of which I am aware, and year ranges these were produced. These carbs are dual feed, not bouble pumpers.
We can then tell you what we can identify, and the costs. Among many other things, the catalog lists every performance and race carburetor they make and the indivdual specifications for each carb. Once you know the baseline setup you can make appropriate changes to improve the carb's performance. The date code will be right below it. The secondary metering plate is the 134-39, which has.
The metal tag appeared about 1930 with tag numbers of about 300s. These carburetors have different internal venturi, different calibrations, and different throttle and choke hook-ups. As a single solution, or partnered with products from other Holley companies we can give you the edge you need over the competition! It is extremely doubtful that any of the single, double, or early triple digit tags will appear; as they were produced before 1930 and were constructed of red cardboard. Also, Schebler made replacement carburetors in the same models as original equipment carburetors. With three base Holley carburetor parts and rebuild kits in countless variations, you're bound to find the correct one for your application. About us Holley has been the undisputed leader in fuel systems for over 100 years. The easy way to tell a 4160 is that the back float bowl bolts up to the carb body.
A second change would have the letter A replaced by the letter B i. A Holley carburetor diagram with an exploded view of the carb, step-by-step instructions, and detailed tuning guide are provided. Identification of Zeniths other than above is difficult. To positively identify one of these, we generally need to inspect the carburetor in person. May God's grace bless you in the Lord Jesus Christ.