syonxwf
Go Kart Champion
My friend who kept his stage 2+ ST after it blew. Just blew his engine again. Cyl 1 which is the same failure. Holes on both sides of the block. He was mid rpm and in boost. The replacement engine was used and has less than 10k miles on it when the dealer swapped it. He put maybe 5k miles on since the swap. Had all the same parts on and a off the shelf Cobb AP tune.
How much horsepower is he putting down? All the local guys are running custom tunes, most using Stratified tuning, and none of them have had any issues with a blown motor. Most of them see pushing 275-280whp and 360wtq too; 3 of them now are BT pushing 400whp on custom tunes.
Maybe the off the shelf tune isn't jiving well with something he's running :S
I sat in the Focus ST at the auto show. I was in and out in less than 5 seconds. :yikes:
I never could find the "Made by Mattel" sticker inside...though you'd swear it was [emoji38]