Here is the scenario. Just kind of looking over our dyno chart and at 5k-6K we are only making between 220-320hp at the most. 9.0-9.3K rpm we make about 510-530whp. T70 trim, 1.9GSR, LS hydro tranny with 25" slickies. If we rev to 9.5rpms in 2nd gear what will rpm fall to in 3rd??? And what about from 3rd to 4th???

I think that is where our problem is at if I am correct. mid range needs to be improved dramatically to improve speed and times.

with smaller t3/t4s 60-1@20psi. I went back to look at the dyno sheet and amazingly we made between 340-390whp at 5-6k rpms. maxed at only 433whp@8-8.3k rpms. I reved to about 8.7-9K rpms with this setup<---this setup felt way FASTER.....

 

use this site to help you out http://www.autocrossing.com/cgi-bin/gearcalc.cgi