this is what I found
The 10.59 and 10.65 passes used a horn-relay nitrous system with a .070" jet.
The fastest "fuel" pass was 10.83 at HRP. There were a few other fuel passes, 10.95 in Bakersfield, then 10.89 on Friday at HRP. A couple others I don't remember.
Casper has:
Engine was assembled by BMS in San Berdo to my spec:
Coated, DeLipped, OEM-LLY SoCal Diesel Pistons, about 15.5:1 best I can figure. OEM rings, stock bore.
Block is stock LLY.
Crank is stock LLY and is balanced with the flex plate and harmonic balancer, both stock.
Rods are Crowers from SoCalDiesel.
Cam is OEM-LBZ that was keyed by SoCalDiesel along with the crank.
Heads are SoCalDiesel LLY, ported with high speed springs and pushrods.
Rest of internals are all stock including oil pump and injectors.
Turbocharger was PPE/Garrett GT4202R kit with 1.15 hsg.
PPE Dual CP3 system running 1 LBZ pump and 1 Industrial Injection pump.
Exhaust manifolds, 1 BD manifold and 1 OEM LLY manifold. Federal riser pipes.
Air intake is 5" K&N with custom ducting.
Intercooler is OEM LLY with 3" tubing and LBZ Y-Bridge and manifolds.
Transmission is Mike L Allison 5-sp with a ML2 converter at the time.
T-Case stock.
Copilot installed but not used.
All but 2 leaves removed from rear, running Caltracs and stock shocks.
Front has stock shocks and T-bars that are lower with adjustable keys.
Liftpump is a single 1792. No fuel pickup. Rail has PPE Race Valve and home-ported fuel rail.
Currently there are new parts on the truck that are being tested. When it ran 10.59, it had 754rwhp on fuel, now it has a GT42Magnum with 797rwhp.