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Re: 440 jerking/surge while cruising and light acceleration
[Re: Supercuda]
#1920946
09/28/15 12:05 AM
09/28/15 12:05 AM
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Joined: Nov 2003
Posts: 36,041 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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I was trying to enlighten the OP. Oh OK, I misinterpreted. I apologize, my bad/my mistake
live every 24 hour block of time like it's your last day on earth
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Re: 440 jerking/surge while cruising and light acceleration
[Re: CoDart]
#1920975
09/28/15 12:47 AM
09/28/15 12:47 AM
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Joined: Sep 2007
Posts: 14,889 up yours
Supercuda
About to go away
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About to go away
Joined: Sep 2007
Posts: 14,889
up yours
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Nah, I poorly wrote it is all
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: 440 jerking/surge while cruising and light acceleration
[Re: CoDart]
#1921526
09/28/15 11:13 PM
09/28/15 11:13 PM
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Joined: Jan 2003
Posts: 31,081 Oregon
AndyF
I Win
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I Win
Joined: Jan 2003
Posts: 31,081
Oregon
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After some more cruising I found that if I plug off the manifold vac advanced on the distributor the car does not surge when accelerating or cruising. I think I need to hook the advanced up as PORTED but I do not have a ported port on my Holley. What do I need to make it ported?
Thanks! Street cars should almost always use ported vacuum to avoid cycling the vacuum advance at low throttle position. Adding a ported vacuum port to a HP Holley isn't easy though. Basically you need to buy a different base plate. You might be able to find an old time carb guy who can modify your base plate but it is probably cheaper to buy a new one. I think the HP main body will be drilled for the ported vacuum but you should probably check first. I've converted them over before but that doesn't mean that all of the main bodies are the same.
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