MeltedSolid
Autocross Newbie
- Location
- San Francisco Bay Area
- Car(s)
- '15 Golf, e36 328i
We should probably clarify that you're running your JB4 on top of an APR flashed ECU. Anyone with JB4 *only* should NOT NOT NOT be targetting 26 psi.
Yes, that too.
Horsepower is a pay to play game. Don't cheap out on the fuel. Also consider changing your spark plugs if they have a lot of miles on them. You basically want to have the best case scenario going on in the engine bay so you don't chase your tail over some maintenance issue.
Depending on power, etc... on stock turbo most tuning companies will recommend changing your spark plugs every 10-15k miles when tuned. I'm not sure how many miles you have on your current spark plugs, but if they were higher milage when stock then adding power doesn't help them.