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Double Pumper 

 

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 Post subject: Double Pumper
Posted: Wed Jan 31, 2007 10:24 am 
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WTF model is this,is it the one Noha had on the ark?

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What does this thing do,when you give it juice,this thing closes
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Here is the model number


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Come on Walker,lets see how good you are
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Posted: Wed Jan 31, 2007 11:23 am 
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It's not a DP, it's a Vac Sec, without looking up the list number i'd say it's a 780, basically a 750 with a metering block on the back.
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Posted: Wed Jan 31, 2007 11:50 am 
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Walker wrote:
It's not a DP, it's a Vac Sec, without looking up the list number i'd say it's a 780, basically a 750 with a metering block on the back.


Thanks for that,took ya long enough but! :roll:

Forgot to ask,whats that do flickie that opens and shuts,some sort a vent?

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Posted: Wed Jan 31, 2007 1:43 pm 
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Eric wrote:
took ya long enough but!


59 minutes for your answer? i wouldn't b**ch about that :P

 

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Posted: Wed Jan 31, 2007 1:51 pm 
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Well he still hasn't said what that do flickie is :?:
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Posted: Wed Jan 31, 2007 1:56 pm 
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To be honest it's been that long i can't remember lol... I think it was a type of vent though.

I used to know all the popular list numbers off the top of my head, i forgot those long ago.

The list number is hard to read, is it 4679?
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Posted: Wed Jan 31, 2007 2:11 pm 
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dosent it seal up when you gun the motor and the secondries open ?
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Posted: Wed Jan 31, 2007 2:37 pm 
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Walker wrote:
To be honest it's been that long i can't remember lol... I think it was a type of vent though.

I used to know all the popular list numbers off the top of my head, i forgot those long ago.

The list number is hard to read, is it 4679?

Yes the "flickie" is a vent the carby looks like a made up out of many parts item possibly 750 vac sec with race bowl added as my original 600 from the HO had the vent but had auto choke which looks like it has been removed.
If the list number can be verified a better evaluation can be made with all my holley listings :roll: :D :D

 

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Posted: Wed Jan 31, 2007 4:19 pm 
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Here are some more happys,hey Bobie,does it took like junk or not,

Cant drive it on the road,whats an easy way to check it the vac secondry works.I spose the diaphrams stuff after sitting around for ages,like this donk has...

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no choking with this baby


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Posted: Wed Jan 31, 2007 4:24 pm 
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Walker wrote:
To be honest it's been that long i can't remember lol... I think it was a type of vent though.

I used to know all the popular list numbers off the top of my head, i forgot those long ago.

The list number is hard to read, is it 4679?


I dont think time has anything to do with it,more like the time ya spend in the pub :oops: :oops: :oops: :wink:
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Posted: Wed Jan 31, 2007 5:39 pm 
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That's actually a 730 CFM, and going by the C9AF number it looks like a factory Ford item, possibly GT..... Don't quote me on that though.
Another thing that caught my eye is the lever for the kick down rod!

Last edited by Walker on Wed Jan 31, 2007 5:44 pm, edited 1 time in total.

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Posted: Wed Jan 31, 2007 5:40 pm 
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This is an OEM carbie, looks like it might be off a Dodge truck (simillar to my 650).

That vent is for the fuel bowl, and is part of the emissions control. I ahve taken mine off and sealed the hole, as the fuel bowl is still vented through the air filter.

 

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Posted: Wed Jan 31, 2007 6:15 pm 
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Walker wrote:
That's actually a 730 CFM, and going by the C9AF number it looks like a factory Ford item, possibly GT..... Don't quote me on that though.
Another thing that caught my eye is the lever for the kick down rod!


Not a GT one

 

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Posted: Wed Jan 31, 2007 7:49 pm 
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raiki wrote:
This is an OEM carbie, looks like it might be off a Dodge truck (simillar to my 650).

That vent is for the fuel bowl, and is part of the emissions control. I ahve taken mine off and sealed the hole, as the fuel bowl is still vented through the air filter.


So what did you gain by getting rid of that setup,seems a bit weird,but I spose it's over 30 years old :shock:
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Posted: Wed Jan 31, 2007 9:35 pm 
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That's a '69 428 CobraJet carb. It's 735cfm and they are worth big bucks!

Pete.
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