need help with tune

dragster · Post by **dragster** » Wed Oct 13, 2010 8:22 pm

Very new to the hondata and to tuning ,but iam tring to learn so please bare with me. I have 1992 b20b stock with 780 injectors,aem feal rail, it hade a perkins p1100 turbo on it has now been changed to a gerret 47 trim ,has evolution wastgate. the problem is after changing the turbo with the same spring it hits boost cut on full throttle. i need help i know that it is a biger turbo so i know i need to retune just need a little help. here is the present tune and a datalog. thanks for any help

dragster · Post by **dragster** » Wed Oct 13, 2010 8:24 pm

datalog

Post by **Spunkster** » Thu Oct 14, 2010 9:21 am

IT needs to be retuned on the dyno if you have changed the turbo. Turbos have different flow rates and will react differently from one another.

dragster · Post by **dragster** » Fri Oct 15, 2010 4:37 pm

Thanks