Re: Holley Carb Question

[roger@xxxxxxxxxxxxxxxxx]

That carb is a good match for that engine for street driving if the engine is a 383 HP.  Sounds like it needs tuning or it is defective and yes each side should match from my experience.  Do u have the book and an air fuel ratio meter?  I ran a 700 carter original on my 383 and it was hard to keep smooth but it was awesome w its mechanical secondaries. It idled bad unless it was hot but IT WAS FAST.  To save gas I put an edelbrock 650 on it and so I can choke in the morning. I was always a holly guy but wanted something simple. My edelbrock 650 rules for street but It surely isn't set for trial runs.  It peels out pretty good though.
What is your distributer setup?  Are you on points?
Your ignition need to kind of match the carb too.  I would use an ignitor 2 w that avenger at least.


------Original Message------
From: Dennis C.
To: 1962to1965mopars@xxxxxxxxxx
ReplyTo: 1962to1965mopars@xxxxxxxxxx
Sent: Mar 6, 2009 6:32 AM
Subject: Holley Carb Question


I am trying to get my Holley carb jetted.  I think my first problem is 
that I have the wrong carburetor.  Several years ago per Holley's 
recommendation I bought and installed a 670 Avenger on my 383.  I am now 
working on getting the car on the road and per my spark plugs I am 
running very lean. It also had very poor performance and at part 
throttle at highway speed it ran rough.

So far I have gone from 65 primary jets to 74 primary jets where it 
looked a little rich and back to 72 primary jets.  I am running the 
secondary jets just 2 numbers higher than the primary.

One of the problems I am having is that it appears that the right bank 
is running richer than the left bank.  

Is it ever necessary to have different jets from side to side or do they 
always need to be the same?

Should I bite the bullet and buy a different carburetor?

Is there any good books or information on jetting carburetors I should 
get, this has been interesting but the more I learn the more I am 
learning I don't know about carburetors and jetting.

My engine is a 383 with an unknown perfomance cam that may have had some 
head work done on.  The work was done on the engine before I bought it.

Thanks
Dennis C.

1996 Dodge Ram 3500 Van Conversion
1964 Plymouth Belvedere 318 Auto
1963 Plymouth Sport Fury 383 4-speed
1949 Dodge Pickup 289/C4 soon to be changed
1998 Honda Valkyrie Standard


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Please address private mail -- mail of interest to only one person -- directly to that person.  I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic.  Thanks!

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