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Re: carb question

To: tigers@autox.team.net
Subject: Re: carb question
From: Doug Pruitt <dopruitt@ENH.NIST.GOV>
Date: Thu, 11 Apr 1996 09:06:32 -0400 (EDT)
At 04:07 PM 4/10/96 -0700, you wrote:
>I've just managed to figure out that my car came with a 600 cfm Holley 
>4-barrel. I think that might explain why the engine wants to bog down 
>when I start out in first, and also why it stumbles on occasion when I 
>stick my foot in it at low RPMs. 
>
>I've can get a good deal on a 450 CFM Holley, and am wondering if I 
>ought not just go ahead and swap rather than trying to make the 600 CFM 
>work better. Any thoughts?
>
>Also, I've got a weird speedometer problem. The speedo doesn't 
>register, but when I disconnect the cable, I can see it turning when 
>the car is moving. I also can make the speedo register with a variable 
>speed drill. But when I connect the cable to the speedo, it doesn't 
>work. I've got a spare speedo, which also works with with the drill, 
>but it doesn't work when i hook up the cable. So, I've got two speedos 
>that appear to work, and a cable that appears to work, but, hook 'em 
>up, and no dice. What gives? 
>
>Joe 

        If it is a vacuum secondary (eg. list 1850) make sure the
accelerator pump is working and adjusted properly. It must be checked every
time the front float bowl is removed. There must be no slack between the
spring loaded adjusting bolt and the lever on the accelerator pump, but it
should just touch so that you get full travel of the lever.
        I had a speedo cable that was to long for its housing and it would
push the spinning disk forward until it jammed. Perhaps I was missing a
gasket or something in the housing. Has anyone else had a similar problem?
 Doug Pruitt (301) 975-6419
 Maryland
Narf! Zort! Poit! Gat! Fjord!


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