As far as the true track goes, I'm guessing it goes true track, Detroit locker, then the spool in that order?
Yes, that is the way I would interpret them. A "soft" Detroit locker would be great for street/strip car.
I only launch the car @ about 1200-1500 RPM because it will blow the tires off. I was told that I should be launching @ around 3500-4000 and that the car should dead hook and run hard (when it's dialed in correctly). Anyways, what size and tire make/model are you running now? I'm running the Centerforce dual friction clutch by the way.
A little background about my car first. The first year we went to the dragstrip it had a 393w, Procomp 210 heads, custom SFT cam, Vic Jr intake, 750HP carb, 1 3/4" headers, Centerforce DF clutch, 2.78 first gear top loader, True Track with 3.70 gears, QTF 8" wide Bias streets, and Caltracs. I let the clutch fly between 3500-4000 rpm's and surprisingly the car hooked. I was able to run high 1.58 60'ers. Ran pretty consistent 12.0x until the fall and then it pulled out an [email protected]
on 26x8" slicks the last night of the year. Motor made about 360hp. That combo sounds very similar to what you currently have. The following year with some tuning and a 950HP carb I was hitting 117mph in the high 11's.
Next I swapped out the Procomp 210's for a used pair of AFR 205's. With everything else being basically the same, the 393w became an entirely different animal. On the same 8" wide stiff wall drag slick I was hitting [email protected]
Broke the True Trac and went with a spool. With a swap to a roller cam and a slipper racing clutch it ran 11.20's before loosing a lifter killed the block.
After that it got crazy as I mini-tubbed so that I could use the 28x10.5 stiff wall slicks (which is what I run now.) The 427w was built, the Jerico was added. 4.33 gears. Pump gas 93octane has always been a requirement. The car had 213 track runs this year and a little over 1000 miles of street driving. Believe it or not, its actually quite docile on the street.
Sorry for the long story but hopefully you will see that I started out very similar to you and was never satisfied and I am always yearning for more.