It will go quicker with less front tire wheelie height
One of the Mopar drag race engineers said years ago in one of the old drag seminars that once the front tars are of the ground all the weight of the car is on the rear tars, no matter how high they are
When the pinion gear is climbing the pinion gear instead of rotating the axles forward the car is not going as fast as it can forward
I'm surprised you have your car working that good though
Now comes the hard part to get it to run low 1.30 to high 1.2? in the 60 ft. times
My bracket car(1970 Grand Coupe) has ran a best of 1.27 60 ft. with the front tires around 18 inches of the track, it is a chrome moly tube chassis S/P car that only weighs 2750 Lbs. with me in it also