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Hot Rod Forum : Hotrodders Bulletin Board > Tech Help> Hotrodding Basics> Holley 4160/600 CFM Carburetor: Components Identification
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Topic Review (Newest First)
03-07-2012 10:34 AM
lt1silverhawk
Quote:
Originally Posted by OLNOLAN
This allows you to determine if a used carburetor has been modified with different jets, etc. It also provides the part and kit numbers as assembled by Holley.
http://www.holley.com/data/TechServi...%20Listing.pdf
Good thinking. Would've never even thought of that. Thanks!
03-07-2012 07:21 AM
OLNOLAN
Holley

Good deal. Here is a link to Holley's numerical listings. This allows you to determine if a used carburetor has been modified with different jets, etc. It also provides the part and kit numbers as assembled by Holley. It also has been valuable to me by providing information on obscure purpose built Holley carburetors. For instance, a Mercruiser marine big block carburetor built to a specific cfm for the application, with staggered jetting to compensate for lean running cylinders as dyno tested by Mercruiser. I printed the complete listing some years back, increased the print size to fit a 11.5x14 page and made a book to put in my shop literature.

http://www.holley.com/data/TechServi...%20Listing.pdf
03-06-2012 09:21 AM
lt1silverhawk Thanks Nolan! Those were very helpful!
03-06-2012 06:46 AM
OLNOLAN
Instructions Carburetor/Choke PDF's

http://www.holley.com/data/Products/...7948-5rev3.pdf

http://www.holley.com/data/Products/...R7972-4rev.pdf
03-05-2012 09:10 PM
cliff tate
Quote:
Originally Posted by lg1969
I have seen it done. They use a "T" to connect the brake booster and PVC.
dont dought some 1 has put a t in but that does not make it corect,.re the small vacume line the ford port is not for a gm distributor, they use manifold vacume.
03-05-2012 08:51 PM
lg1969 I have seen it done. They use a "T" to connect the brake booster and PVC.
03-05-2012 08:44 PM
cliff tate
Quote:
Originally Posted by lg1969
The PCV port can be use to run brake booster if there is no port on the manifold.
not wise,unrestricted vacume source is esential for pbrakes.re choke the the heat tube should stay closed with elc.choke,the vacume source was only needed when non elctric choke used as it needed a good flow of heated air to expand the coil and open choke
03-05-2012 04:07 PM
lt1silverhawk
Quote:
Originally Posted by lg1969
just leave it open or run a up into filtered source from an air cleaner after the air filter.
If I end up using this carb, I'm thinking of using a carb hat with a custom-made intake (probably cold air) with some sort of a provision where a hose from this inlet can be hooked up to it. What are your thoughts on this?




Quote:
Originally Posted by lg1969
BTW: The accelerator spring is not setup right. It's all compressed. If you hit the gas pedal hard it could rupture the pump diaphragm. Gasoline is not compressible.
Would the accelerator spring be the one circled in yellow in the image below? What is the proper setting for it, or does it vary depending on the set up?


03-05-2012 03:46 PM
lg1969 BTW: The accelerator spring is not setup right. It's all compressed. If you hit the gas pedal hard it could rupture the pump diaphragm. Gasoline is not compressible.
03-05-2012 02:58 PM
lg1969 just leave it open or run a up into filtered source from an air cleaner after the air filter.
03-05-2012 02:14 PM
lt1silverhawk
Quote:
Originally Posted by lg1969
Do not leave it plug. you need to leave it open. The choke may not open at start up
Got it. Will I need the U-shapped line, or will it work just fine without it?
03-05-2012 02:13 PM
lg1969 Do not leave it plug. you need to leave it open. The choke may not open at start up
03-05-2012 01:39 PM
lt1silverhawk Hey lq1969 and cliff,


First off, thank you both for the helpful responses. Definitely appreciate the editing of the picture so I can see what you mean. My only experience with carburetors so far has been the Q-jet, so I thought I would play it safe and ask before installing and setting this one up.


Now, as you guys have mentioned, port "A" can be used for PCV or brake booster, provided there is no port on the intake manifold for the brake booster. I will check to see if the intake manifold has a port for the booster.


Port "B" is an air inlet for what I assume would have been the hot air choke? Since the electric choke conversion has been done, I might as well leave it plugged up.


Port "C", the small inlet is for the Ford -style vacuum advance, but I assume is fine to use on a GM HEI?


Again, thanks for the help!
03-05-2012 12:25 PM
lg1969 The PCV port can be use to run brake booster if there is no port on the manifold.
03-05-2012 11:31 AM
cliff tate
holley carbs

A is pcv only,B is for heat from the ex to regulate the choke,this carb has elc choke conversion, not oem.the small tube is for the vacume advance(ford style)the larger tube is gas
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