Originally Posted By 1969383S
The only difference is in the manifolds used and the block configuration. The internals were all the same!

Maybe the model AVS Carb was different as 2 models are listed for each Stick and Auto


A body 383's had dual point distributors, RR/SB engines did not, but they did use the same carb as the RR/SB.

running up my post count some more .