Hello all. I finally bought a WRX wagon- something that I've been wanting for years. I've searched the forums a bit to get opinions on different items about the car. I now own a 03 with 60K on the clock, and it was well cared for with regular oil services (it seems to have been owned by an older gentleman who never modified it, I even found a fuel reciept in the paperwork addressed to him). After driving it, I realized it was a gem, even though it had 60k on the clock. No dings or dents on my silver wagon. My previous car was a Spec V (nissan sentra) and I did quite a few mods to it, I have mechanical skills.
So, being that its only seen dino oil and dealer service, I'd like to find out some opinions about changing some items. I'm searching, but this board is so big, its hard to sift through the limitless knowledge and determine who the best posters with the most accurate thoughts. Here are my questions: (hold breath)
@60K, ok to switch to M1 5w30? IS it really that beneficial if we're doing sub 3K mile changes? I'd be changing M1 at 3K. Should I stay dino?
Redline 75w90 for the rear diff?
Redline 75w90NS for the tranny?
When is best and how to cycle at least 50% of the coolant, what to use? Watter wetter make that much difference?
Up-pipe with 2 bungs = NO CEL?
turbo timer great for this car?
I'd like to make things comfortable and durable. I wont be doing clutch drops or autoX. Its just a great daily driver with some fun for the back roads. I like to take care of my stuff. I realize that most of those turbo mods (intakes, boost controllers, bov) are not recommended without serious power making.
Modifications in the next 12mos will be: ttimer, kartboy ss/bushing, cobb up-pipe, some sort of catback, cobb accessport
Thanks for your help