Carburetor Questions
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Senior User
Joined: Dec 2006
Posts: 201
Likes: 1
From: Spokane WA
Carburetor Questions
Right now I have a Holley 2-barrel on my truck. I cannot figure out what it is. The truck is running rich and I think this might be a 500cfm carb. I have found 2 numbers on the carb and can't get any results on them.
On the front of the carb:
LIST-9697
2872
And on the top, behind the opening:
GR 1919 B
What was the stock cfm for the 292?
On the front of the carb:
LIST-9697
2872
And on the top, behind the opening:
GR 1919 B
What was the stock cfm for the 292?
Postmaster
Joined: Nov 2001
Posts: 3,351
Likes: 1
From: Escondido, CA
http://www.holley.com/data/Products/...99R10015-1.pdf If you use the search function of Adobe you will find that your carb is a 2300 series 2 barrel. Which in turn gives you the exploded view, http://www.holley.com/data/TechServi...ded%20View.pdf
This is all the info I could get from what you supplied. Try calling Holley's tech service line to see if they can narrow it down more.
This is all the info I could get from what you supplied. Try calling Holley's tech service line to see if they can narrow it down more.
Thread Starter
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Senior User
Joined: Dec 2006
Posts: 201
Likes: 1
From: Spokane WA
Is there anyway to tell if it is 350cfm or 500cfm? The list number doesn't specify. All I know now is that it is a 2300 series and there was a 350 and a 500 made. Is there any noticeable difference?
Elder User
Joined: Dec 2003
Posts: 531
Likes: 1
From: New Mexico
Measure the venturis and tell the Holley tech line. I believe the 350 CFM one has 1-3/16" venturis and the 500 CFM one has 1-3/8". The 350 CFM one came with 61 main jets and the 500 CFM came with 73's.
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