I got d15z4! Em planning to swap y8 head with s20 gear, 6 puck cluth nd a chipped ecu nd a good tune! What gains i should expect???

Just finished building my Y8 and installing a T04E clone, fired the car up for the first time and my AEM wideband is maxed out all the way to the right, reading around 17. I have a walbro 250 and eagle talon injectors. Stock FPR. Is this normal? I’m kind of new to this stuff and I’m afraid of...

I’m currently building my d16y7 with vitara pistons + speed factory no notch rods. And I want to put a block guard in, but I don’t want to cut corners and not bore out the cylinder sleeves if I need to when I put in the block guard. So do I need to bore out the cylinders if I use a block guard?

Need to swap mine. Mine is stock del sol unit and I have rear rotor swap from a teggy. Heard I need the one from a teggy or I could die or something idk . See some for a decent price, from JEGS and wildwood. My commute is through Santa Monica Mountains. the snake used to be my local road...

UPDATED 2/02/2011. NEW PICS ON PAGE 3 I finally got around to installing and tuning a budget turbo kit that had been collecting dust in the garage while I saved up some money. Here is the timeline of the car: Bought 98 DX Coupe in October of 2005 w/ 60K on the clock This picture was taken about...