carb bogs
Thread Starter
Burning Brakes
Joined: Dec 2005
Posts: 1,179
Likes: 100
From: cranford nj
carb bogs
Hi all, i have a 71 350 4sp all stock with a qjet. When I jump on it it bogs, I can pedal thru it but is driving me crazy.Any hints on what it might be.
Thanks for all of your knowledge
Thanks for all of your knowledge
Drifting
Joined: Dec 2004
Posts: 1,714
Likes: 42
From: Austin Texas
Two things off the bat. First verify your secondary pulloff vacuum can and linkage are present and functioning. And/or the the tension on the secondary air flap spring could be too lose.
Has it always been like this since you owned the car?
Has it always been like this since you owned the car?
Race Director
Joined: Sep 2005
Posts: 18,640
Likes: 121
From: Farragut,TN
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Stu
Drifting
Joined: Dec 2004
Posts: 1,714
Likes: 42
From: Austin Texas
Just thinking, what we know is you have hesitation at wot. The spring and pulloff issue would cause a too rich condition and a weak or faulty accelerator pump would cause too lean condition.
When you stomp it, what does it sound like? Is it a stumble or a throaty bog? Is it hard to start too?
If its the throaty deep sound, my guess is something is throwing the secondary air flaps open too much and or too soon.
When you stomp it, what does it sound like? Is it a stumble or a throaty bog? Is it hard to start too?
If its the throaty deep sound, my guess is something is throwing the secondary air flaps open too much and or too soon.
Thread Starter
Burning Brakes
Joined: Dec 2005
Posts: 1,179
Likes: 100
From: cranford nj
To all on the vaccum i'll have to look but I think it's manifold vaccum and when I stomp on it it it's a sumble. I haven't been able to look at it since I'm trying to rebuild after the flood from the hurricane.