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Topic: L48 350 Carburator Diagram

in Forum: C3 Fuel, Emission Control, and Exhaust Systems


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L48 350 Carburator Diagram (1/4)
 4/9/11 1:59pm
T.O.Vette
Former Member

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, - Canada

Vette(s):
1973 Corvette Coupe L48


Joined: 4/3/2011
Posts: 6

Hey everyone!

I was wondering if anyone has a diagram of a carburetor. I have a 1973 L48 which I picked up last weekend and I am looking to clean out the carb and don't would like to see a diagram so that I don't accidentally put anything where it should not go! 

Thank you all for your responses.
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L48 350 Carburator Diagram (2/4)
 4/9/11 8:52pm
rod7515Lifetime Member
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Red Lion, PA - USA

Vette(s):
1974 White 350 Corvette, TH400 Automatic 1972 Tangerine /Go Mango Convertible 383 Stroker, 2004r Automatic


Joined: 10/27/2006
Posts: 1182

If you get a carb kit you will get good diagrams that come with the kit. I am assuming that you have a q-jet. Pay attention the the accel pump. My biggest issue when I rebuilt mine was that the kits didnt have the right pump shaft so I had to reuse the old one. I tried just about every kit out there trying to get the right shaft.
Good Luck
Rodney


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L48 350 Carburator Diagram (3/4)
 4/10/11 11:30am
Adams' AppleLifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas


Joined: 11/8/2003
Posts: 20126

Check out Ken's Most Excellent Carb how-to....should give ya everything ya need.

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Joel Adams
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L48 350 Carburator Diagram (4/4)
 4/11/11 1:56am
daveo76
Former Member

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Vancouver, WA - USA

Vette(s):
1976 Silver/Firethorn. L48, 4spd. Original 2 bolt, vortec heads, 9.4:1 CR, Speed Pro Cam: 224/224@0.050, 112 LSA, Eagle Steel Crank.


Joined: 8/25/2005
Posts: 857

Thanks for that link, Joel.  I remember reading Ken's how-to guide a few years ago, but didn't have it in my favorites.  Here's another good Q-jet resource:


Some of the links don't work anymore, but there is some good stuff here.   I'd recommend starting with the Lars Grimsrud articles which I think are some of the first ones listed, "Quadrajet Tuning Paper" and "Quadrajet Tuning Notes".  


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1976 Silver/Firethorn.  L48, 4spd.  Original 2 bolt, vortec heads, 9.4:1 CR, Speed Pro Cam: 224/224@0.050, 112 LSA, Eagle Steel Crank.
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