How to rebuild a Rochester Quadrajet 4MV carburetor

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(Throttle shaft bore wear)
(Throttle shaft bore wear)
Line 241: Line 241:
 
<br><br> Original article here: [http://67-72chevytrucks.com/vboard/showthread.php?p=4688535]<br>
 
<br><br> Original article here: [http://67-72chevytrucks.com/vboard/showthread.php?p=4688535]<br>
 
[[File:QJet 3.jpg]]<br>
 
[[File:QJet 3.jpg]]<br>
[[File:Primary_teflon_bushing.jpeg]]<br><br>
+
[[File:Teflon_bushing.jpeg]]<br><br>
 
Whats nice about this is you can also bush the vacuum shaft as well. Excessive play stops the vacuum blades from opening/closing smoothly because the blades bind into the body. Most people fix this by increasing the spring tension. The teflon means you can pretty my bush more than the primary shaft without the need for more drilling, tubes, etc. Plus it leaves the body original. There are some nasty over drilled howto's that look awful.
 
Whats nice about this is you can also bush the vacuum shaft as well. Excessive play stops the vacuum blades from opening/closing smoothly because the blades bind into the body. Most people fix this by increasing the spring tension. The teflon means you can pretty my bush more than the primary shaft without the need for more drilling, tubes, etc. Plus it leaves the body original. There are some nasty over drilled howto's that look awful.
  

Revision as of 10:17, 12 September 2012

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