carb spacer question ASV versus AFB

[69redrunner]

I'm looking for a phenolic spacer for my road runner. I have the N96 hood so I have to have a thin spacer. I've read the the four hole spacer gives better performance response in the low end and mid range, where the open spacer is better at top end.
I found a 1/4" phenolic 4 hole on ebay but its listed for the carter AVS, my carb is a carter AFB. The spacer for an AVS will fit the AFB, won't it?

 

[383man]

As far as I know it will fit. If you can fit a 1/2" spacer I would go for it but if not the 1/4" will still help alot running on todays pump. I use a 1/2 phenolic spacer and it was like night and day on a hot heat soak. It really helped alot keeping heat away from the carb. Ron

 

[69redrunner]

Thanks Ron.

 

[Tempest 455]

Personally, I would get an open spacer. This is what I have.

 

[69redrunner]

Tempest, why did you choose open over 4 hole?