First Generation Firebird-L Mailing List
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Jeff,
Sometimes if the idle is set to high, then the load from the torque
converter will stall the motor, for example I had a 66 pontiac parisienne
with a 400 that would stall when ever you put it in gear after a week of
racing the motor at lights I just lowred the idle below te stall speed of
the converter (for me it was 800 rpm) after that everytime I put it in gear
there was no issue at all, no even a jump...maybe give that a try.
Ron
----- Original Message -----
From: "jeff" <[email protected]>
To: "First Generation Firebird-L" <[email protected]>
Sent: Wednesday, April 08, 2009 11:26 PM
Subject: [FGF] idle issues
First Generation Firebird-L Mailing List
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Hello all,
I am working on a ' 67 firebird with a 10:1 400 motor, #62 heads, a ..465"
cam, HEI dist., stock quad style intake, 350 auto, and a Holley 4412 2
barrel carb.
This combo was in a asphalt street stock race car once and has been in this
weekend driven street car since. It ran great until about 6 months ago.
The problem is at hot idle. It starts and runs good cold. Once it is up to
operating temp (195ish) it will die in gear at idle. It will start right up
and idle at a faster than normal rate in neutral, but die in gear. Once it
is cold it is fine again.
I have rebuilt the carb with no improvement. Replaced the main metering
block with no improvement. I have searched for vacuum leaks but have found
none. I don't know if I have included enough info, but I am at a loss. Any
ideas? I was thinking about doing a rebuild on the distributor, just to
scratch it off the list.
Thanks in advance.
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