[Tigers] Edelbrock Carbs (carb cleaning 101)

[Tom Witt]

I have Edelbrock’s on three of my cars. I find the accelerator pumps go bad rather fast. And for those that detest removing Holley pump diaphragms from the bottom, well the linkage to change the accelerator pump on the Edelbrock is even more frustrating. Sadly it is just the little cup on the end that goes bad but Edelbrock only sells the whole accelerator pump with the stem etc. and it is $15+, far more than those on a Holley.  I believe there is a Marine version and from what I’ve read that accelerator  pump is “suppose” to last longer.

If you have a fuel filter between the electric fuel pump and the carburetor try replacing that. I know you said there is fuel to the carb, but was that based on hearing the fuel pump run?  I’ve had cars that ran a week or so prior have the sediment in the fuel filter solidify because it was not “churning” like it was with daily use.

From: Brad Huff via Tigers 
Sent: Saturday, December 28, 2019 3:38 PM
To: tigers at autox.team.net 
Subject: [Tigers] Edelbrock Carbs (carb cleaning 101)

This post got me thinking about the Edelbrock carbs. That statement says a lot as I have always been a Holley fan. I was ready to pull the trigger on an Edelbrock AVS 2 carb. A lot going for it with the annular primary boosters etc. I then started doing a little research on the carbs and found that several people were having hot soak issues and fuel evaporation issues. Problems starting the engine if the cars sat for a week or so. I am very disappointed if this is the case because the claim is that the idle and midrange performance is almost as good as EFI.  Doesn’t seem to be as much of a problem if you are running an electric fuel pump so that you can refill the bowls. My Tiger has a HP289 with a Holley 715 cfm vacuum carb on it. The same carb that Ford used on the 68 Shelby GT-350. Can’t imagine it running any better, but I thought that I would give the Edelbrock a try on my 66 Mustang. With the Tiger having a smaller tighter engine compartment I could see a hot soak problem occurring. Any thoughts?-Brad


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