if u want to go 81.5mm max..i suggest supercharge..if u want to go 82mm use this piston..cast iron but with strong material grade alloy C8a Grade, T-6 Heat treated for strength.
Highly resistant to heat. Australian made
1). From the drawing diagram:-
a. injectors #1 & #2 join into G-Y wire which leads to pin #11 of a-type (26 pin) ECU
b. injectors #3 & #4 join into G-R wire which leads to pin #10 of a-type...
Haih.. today changed to evo3 intercooler but not much difference... actually can say worse off... i wonder is it bcoz of the longer piping route + smaller pipes + ???