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Author
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Topic: Carb Adjustment: accelerator pump
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streetstang67
Gearhead Posts: 397
From: SC, USA
Registered: Nov 2002
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posted 08-25-2003 05:01 PM
   
I can't get my accelrator pump correctly adjusted. Its either adjusted where it smoothly acclerates when you easliy go on the gas, or when you stomp it, no in between for normal driving. I guess I need a different spring. I have a stcok 4bbl 289 with a holley 600cfm vacuum secondary carb. I think it has the red spring on there now...its the one that came from the factory. What do you suggest?------------------
'67 coupe: 289 bored .030 over, c-4 tranny
Holley 600 carb, edelbrock performer intake, hooker comp headers, dual flowmaster exhuast
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Fastymz
Moderator Posts: 20708
From: Reno Nv USA M&M#1240
Registered: Apr 2001
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posted 08-25-2003 05:24 PM
Whats it doing when your cruising along?------------------
SCOOP 2.26 60'S
14.9 @ 90.86MPH 65 coupe,351w,C4,Big Boss 429 hood scoop,8" 3.40 TracLoc. https://mustangsandmore.com/ubb/Fastymz.html
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streetstang67
Gearhead Posts: 397
From: SC, USA
Registered: Nov 2002
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posted 08-25-2003 05:47 PM
Its fine when I hold it at a specific speed. Its fine when I'm accelerating at higher speeds/rpms. It's just stumbling when I'm acclerating from low speeds...like under 20 mph.
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Fastymz
Moderator Posts: 20708
From: Reno Nv USA M&M#1240
Registered: Apr 2001
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posted 08-25-2003 06:08 PM
What size squirter are you running in it now?------------------
SCOOP 2.26 60'S
14.9 @ 90.86MPH 65 coupe,351w,C4,Big Boss 429 hood scoop,8" 3.40 TracLoc. https://mustangsandmore.com/ubb/Fastymz.html
IP: Logged |
streetstang67
Gearhead Posts: 397
From: SC, USA
Registered: Nov 2002
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posted 08-25-2003 06:19 PM
Whatever came in the carb...I recently adjusted the idle mixture and some of that stuff, but this problem existed before I ever messed with any of that.
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Fastymz
Moderator Posts: 20708
From: Reno Nv USA M&M#1240
Registered: Apr 2001
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posted 08-25-2003 06:46 PM
Sound to me to be more of a problem in the squirter size.Pull it and see which one you have.I helped my car by going to a #28 squiter size.
It's almost as smooth at any RPM.------------------
SCOOP 2.26 60'S
14.9 @ 90.86MPH 65 coupe,351w,C4,Big Boss 429 hood scoop,8" 3.40 TracLoc. https://mustangsandmore.com/ubb/Fastymz.html
IP: Logged |
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