Carburetors and Power (or lack of power that is)

[cameronsaddress]

So,
I have a ghetto wierd old Holley carb, that is 450 CFM running on my 350. When I step on the gas from a stand still or slow roll, it feels like it just bogs, kind of like it isnt using its full engine power potential. The detent works fine when I'm already rolling in third. I took it through some mud today and it was tough to get the tires to spin when I floored it.
...which is very depressing when I see video of SBD doing doughnuts in dry dirt!

For a while I have been researching the correct size for my setup, and it seems like I should have a 650 CFM carb. So I just bought an edelbrock thunder avs 650 and it should come in this Friday.

Is the 650 going to give me the additional power that I am looking for?

Is it odd that the PO put a 450 CFM on a 350?


Cam

 

[Greg72]

If the bottom end is soggy now, I doubt that an even larger carb is going to help.

Maybe the carb has other issues, or you have clogged 40-year old fuel lines or a bad fuel pump? Have you checked fuel pressure at the carb yet? If you are running out of fuel at WOT it won't matter what carb is on there....

-G

 

[bigbadchev84]

Look into a quadrajet, they are they next best thing to fuel injection. My brother just bought a Summit racing quadrajet and the thing ran like a champ right out of the box. They are priced very reasonable too.

 

[ryoken]

yup, if your gonna stay carb, look into a stage 2 quad from Jet or similar... keep in mind, the motor only wants, what it wants... if it's tired, it's tired...