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Re: AVS accelerator pumps
[Re: 62maxwgn]
#1032008
07/14/11 11:32 AM
07/14/11 11:32 AM
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Joined: Jan 2003
Posts: 21,552
N.E. OHIO, USA
A12
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 21,552
N.E. OHIO, USA
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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. 
I put the Edelbrock pump into my AVS on my '69 GTX (from Bee1971 and superwrench's info in the linked thread  ) but had to shorten it and drill a new hole for the wire clip. The Edelbrock pump was as long or tall as the one in the center in Bill's photo and the original AVS was shorter like the one on the right in the photo. Took just a little modification but it works......about 20 bucks from Summit or get the local Advance Auto Parts to match Summit's price, Advance's price was about $10 more.
MikeR
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