Hi all,

Can I use my big port dizzy on my small port head?

Cheers

Physically it will fit, though there are some differences. Green, round plugs (AE86 & MR2?) vs grey, squared plugs (AE92 only?). I believe the two types also have different caps, and the plug wires are a different size. Someone correct me if I'm wrong.

Yes, as above, it will fit. So if you still have the bigport ECU and wiring in place
it will be plug and play.

Cheers... jondee86