map6

SUPRA ULTIMATE JB4 GUIDE AND LOG REVIEW (V1) Been a busy 5 months learning nearly everything there is to know about JB4 on the B58 platform. Funny how trying to get my catless MT running right turned into countless log reviews and custom tuning on the JB4tech.com forum. As Jesse said it best...

I've seen repeatedly on these forums that everyone has their Map 6 settings dialed in by Jesse for ~$500 or so. I found this rather unusual just coming from a MK7 GTI that I've been running Map 6 for 7+ years (never had an issue, even at 26+ psi stock turbo e30). I was able to dial it in myself...