Adjusting a 2 barrel carburator-1963 chev 283cubic in

Tiny
IHAWKI
  • MEMBER
  • 1963 CHEVROLET IMPALA
I would like to know how to get the adjustment close and what should I pay attention to.
Saturday, October 20th, 2007 AT 9:44 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
There's 4 ways to adjust it. Here's the easy one.

1. Warm engine for 10mins. Then shut it down.
2. Turn mix screws in and lightly seat it.
3. Then turn A/F mix out 2 turns out
4. Turn idle screw out till its bearly touching the other side. Then adjust screw 4 turns inwards.
5. Hook up the Tach/Dwell meter to coil positive and other lead to ground.
6. Start the car let it run for a few secs-then start adjusting the idle screw till you are 100rpm away from the normal base idle.
7. Now start closing 1 mix screw till you feel the engine misfiring then back it out qtr turn. Readjust the idle screw
8. Do the same as 7
9. Adjust the curb idle screw to the specified rpm.
Your done-

Adios! Amigo-Good Luck
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Saturday, October 20th, 2007 AT 11:51 PM

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