Re: AVS accelerator pumps
[Re: A12]
#1032014
07/14/11 12:32 PM
07/14/11 12:32 PM
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Joined: Jan 2003
Posts: 75,282 A gulag near you.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,282
A gulag near you.
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Quote:
That black piece is probably some kind of a packaging guard and was supposed to be removed before installation DUH,
No that is the way it supposed to be.
I installed that ebrock pump into the later carter competition series 750 afb I have just as packaged .
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Re: AVS accelerator pumps
[Re: 62maxwgn]
#1032015
07/14/11 02:47 PM
07/14/11 02:47 PM
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Joined: Jun 2006
Posts: 277 Cincinnati, Ohio
chargincharles
enthusiast
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enthusiast
Joined: Jun 2006
Posts: 277
Cincinnati, Ohio
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Quote:
There are three different pumps,one for the AVS and two for the AFB.AVS is larger in diameter,AFB uses two different length pumps,AVS on right,AFB's on left.The AFB pumps have a check valve in the bottom of the pump,the AVS does not.If you have the correct pump,the pump length adjustment is correct,the connecting link is not installed backwards,the check valve in the driver side bowl to pump well is good,correct fuel level and the needle under the discharge nozzle is in place you should have no problem regardless of what pump you use if it is in good condition.I have been playing with these thing for 40 + years and can honestly say I have never had a pump problem if all the above are correct.I have went as far as soaking dried up leather pumps in oil and reusing them with no problems.
Wow- never seen them compared side-by-side. I stand corrected- they are different.
Also- there IS a check-valve for the pump on the AVS. It's built into the intake 'jet' at the bottom of the fuel bowl. There is also a ball bearing (or later one's used a brass valve) under the pump's squirter cluster assembly that used gravity to act like a check valve.
I still don't trust the Eddy one. Give me steel/brass and leather over plastic and neoprene every time.
Just my pennies, CC.
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Re: AVS accelerator pumps
[Re: chargincharles]
#1032016
07/14/11 02:56 PM
07/14/11 02:56 PM
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Joined: Jan 2003
Posts: 21,704 N.E. OHIO, USA
A12
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 21,704
N.E. OHIO, USA
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Quote:
Quote:
There are three different pumps,one for the AVS and two for the AFB.AVS is larger in diameter,AFB uses two different length pumps,AVS on right,AFB's on left.The AFB pumps have a check valve in the bottom of the pump,the AVS does not.If you have the correct pump,the pump length adjustment is correct,the connecting link is not installed backwards,the check valve in the driver side bowl to pump well is good,correct fuel level and the needle under the discharge nozzle is in place you should have no problem regardless of what pump you use if it is in good condition.I have been playing with these thing for 40 + years and can honestly say I have never had a pump problem if all the above are correct.I have went as far as soaking dried up leather pumps in oil and reusing them with no problems.
Wow- never seen them compared side-by-side. I stand corrected- they are different.
Also- there IS a check-valve for the pump on the AVS. It's built into the intake 'jet' at the bottom of the fuel bowl. There is also a ball bearing (or later one's used a brass valve) under the pump's squirter cluster assembly that used gravity to act like a check valve.
I still don't trust the Eddy one. Give me steel/brass and leather over plastic and neoprene every time.
Just my pennies, CC.
I don't know if the one (original looking in the photo with the Edlbrk above) I took out is leather, think it is rubber??????? Maybe it is leather or it's not an original ???
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Re: AVS accelerator pumps
[Re: chargincharles]
#1032018
07/14/11 05:25 PM
07/14/11 05:25 PM
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Joined: Jan 2003
Posts: 7,548 Albany, NY
67SATisfaction
The member whose name is actually Art
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The member whose name is actually Art
Joined: Jan 2003
Posts: 7,548
Albany, NY
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I've rebuilt 4 AVSs successfully. One thing I found is the leather gasket on the acc.pump can get partially folded back when you insert the new one into the tapered bore. I've used plenty of engine oil as lube plus a feeler gauge as a shoe horn to get them to seat and seal right. Otherwise no major issues. My rebuild kits were all by Walker, IIRC. Art
65 Satellite hardtop 361/4bbl console 727 2.76 67 Satellite convert 383/2bbl column 727 3.23 67 Lancia Fulvia Sport 1.3 Zagato. Alloy body, 1.3L V4 DOHC 4-spd 67 Lancia Fulvia Rallye 1.3. Alloy panel, 1.3L V4 DOHC 4-spd 71 Alfa Romeo GT Junior 1300 Zagato, 1.3L 4cyl DOHC hemi 5-spd 82 Alfa Romeo GTV6 2.5L SOHC hemi V6 5-spd transaxle 75 Maserati Bora US spec 4.9L DOHC hemi V8 5-spd ZF 77 Maserati Khamsin Euro spec 4.9L DOHC hemi V8 5-spd ZF 07 Aston Martin DB9 6.0L DOHC V12 6spd transaxle
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