I am turboing my '77 slant six truck and have been looking for a Holley 2bbl 2300 500cfm carb. I found a used Holley 2bbl 500cfm carb on CL and said its in great shape but is a circle track carb. Now the only thing I can tell that is different from the circle track carbs from the street carbs is that there isn't a choke. He wants $150 for the carburetor. Would this carb work for my application?

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-Brodie

1977 Dodge D100 stepside, slant six/3 on the tree
2002 Chrysler 300M Special (daily driver)

It's not likely to work very well. Those get set up to flow a lot of fuel at idle as they're typically on a 350 with a fairly serious cam. Restrictor circle track carbs frequently have strange fuel curves as they pull a lot of vacuum at high RPM. I'd pass.

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Joshua

Yep...to make it work on the track, if it was a street carb to begin with and not an over the counter mod, you will be chasing fuel issues as they probably have drilled some of the passages and modded the transition slot among other fun tricks that can't be "put back" once completed.

Keep shopping. Also if picking a Holley and looking at the pics, if it's fairly corroded like it's been sitting under the hood in a junkyard for 10 years without being run...pass on it.

-D.Idiot