Quadajet rebuild question
Thread Starter
Pro
Joined: Feb 2005
Posts: 662
Likes: 0
From: Cedar Falls IA
Quadajet rebuild question
I have a 1975 Vette with 104,000 miles. Time to rebuild the Quadrajet. My question is what do I need for a rebuild kit ? I am not sure if this is quadrajet that came with the car. The only number I found today was on top of the carb and the number is 32747. Any suggestions on where to get the rebuild kit would also help. Thanks.
Le Mans Master
Joined: Oct 2006
Posts: 7,123
Likes: 433
From: Gladstone MO
C3 of Year Finalist (appearance mods) 2019
The numbers on a Q-jet are usually on the pax side if I recall. Just about any parts store can get you a kit. Get a new float too. And get a book about Q-jets. They usually have some good tips.
Drifting
Joined: Mar 2006
Posts: 1,526
Likes: 2
From: Oak Ridge NC
If it is original, it will have 7045xxx stamped on the side of the carb. Here is a sleezebay link with a pic of the stamping.
http://cgi.ebay.com/ebaymotors/Roche...91594337QQrdZ1
There are a lot of sources out there on rebuilding a qjet. I used Roe's book and some good advice form some very knowledgeable forum members.
http://cgi.ebay.com/ebaymotors/Roche...91594337QQrdZ1
There are a lot of sources out there on rebuilding a qjet. I used Roe's book and some good advice form some very knowledgeable forum members.
Drifting
Joined: Apr 2002
Posts: 1,716
Likes: 4
From: New Baden Illinois
You can get a rebuild kit from almost any parts store. The box of gaskets usually have a pretty good blown up diagram of the entire carb. It looks complicated, but is pretty easy once it is apart.
Thread Starter
Pro
Joined: Feb 2005
Posts: 662
Likes: 0
From: Cedar Falls IA
Quadrajet rebuild question
Found the numbers, it is a 1975 carb. One more question, there seems to be (2) types of fuel filters. One looks like a normal filter the other looks like it has a plunger for lack of a better term. It is an automatic with factory air. Any thoughts ?
Race Director
Joined: Jul 2002
Posts: 13,858
Likes: 0
From: A 12/8 man in a 4/4 world
I bought my rebuild kit from Autozone.
It was ok.
I ended up going with these guys http://www.carburetion.com/quadrajet.asp
for upgrade parts.
I did notice that their airhorn gasket was of better quality than the Autozone Rebuild kit one.
It was ok.
I ended up going with these guys http://www.carburetion.com/quadrajet.asp
for upgrade parts.
I did notice that their airhorn gasket was of better quality than the Autozone Rebuild kit one.
Le Mans Master
Joined: Oct 2006
Posts: 7,123
Likes: 433
From: Gladstone MO
C3 of Year Finalist (appearance mods) 2019
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Tech Contributor
Joined: Aug 1999
Posts: 14,380
Likes: 6,391
From: At my Bar drinking and wrenching in Lafayette Colorado
I use the checkvalver filters in every carb I rebuild ("plunger" filters). The checkvalve in the filter keeps the fuel from siphoning out of the float bowl if your fuel pump checkvalve is leaking slightly. This prevents the hard start problems on many Q-Jets. I highly recommend use of the checkvalve filters - don't use the plain open filters. GM used the checkvalve filters for a reason...
Tech Contributor
Joined: Aug 1999
Posts: 14,380
Likes: 6,391
From: At my Bar drinking and wrenching in Lafayette Colorado
