A little nervous!

Talking about learning curves, on 5th July me and my mate are going on the first T&T @SPR, first outing this year. Car is a '69RR, previously had a mild 440, auto shift 727, 4.10's DR's, SS/springs and ran from 12.5>12.8's@105.
Sunday he will pilot the new combo which is a mega block mild 589ci motor, roller cam, 724ftlbs@4400, max hp@6000, New race 727, 4400 stall, same 4.10's but with a Dana, caltrac/mono's, 9-ways, 10x29's, low first gear giving a high 11.4 SLR. Never driven anything like it, I told him he'll probably have to shift 2nd while its still up in the air, should be interesting, this is a street car and will be driven to the track, had 3 dyno pulls only, no street use since finished, should go mid>low10's, Have to ease him into it bit at a time, not sure how many runs we'll get in so play it by ear as its £150 entry for the day:(.....a little nervous?....:eek: