800cfm on mild 360 ?

Slantsix64 said

Hmm, you never know unless you try it! honestly im thinking of going with 600cfm on my slant, the 500cfm if good but i feel that the four speed can use a little more reving up. Maybe ill hook up a vac gauge and see what shes telling me?

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I don't want to hijack thread but I bought a 65 dart gt w/ 225 sl/6 4spd. It had 3:55 rear gears, and dual 3into1 tube headers fed into 2-1/2" true duals. It came with a 750dp Holley, but that was way overkill. I tried a Carter 600, better but not quite right. Tried a Carter 500, and it was just right. At least until the throttle blade set screws fell out.