Fully race-prepped and 100% ready to get back on track. Fully refurbished by Bupp MotorSports. Everything has been done properly, the car is safe, reliable and 100% ready.
Reluctant sale due to business commitments.
Eligible for Monterrey Historics.
One of first Trans Am Derhaag chassis
Raced by Jim Derhaag in 1985 TA championship. 10th overall in championship. Pontiac-supported.
History highlights:
10th in 1985 Trans Am Championship
WON 1994 SCCA GT1 Runoffs
5th in 1994 IMSA GTO championship
Currently bodied as Gen 4 Camaro. Derhaag body panels. 5th generation Howe front clip. Mild steel frame, Chromoly cage
Period-correct 1985 Firebird body & install package has been identified and quoted to re-body back to 1985 specs
Period correct BBS wheels (2 sets) mounted with Goodyear 16” (as new) and Pirelli 16” (ex-TA series 2022 used once)
FIA Log book & History
Set up sheets
Brand new AIM MXG 1.2 data logger installed with sensors setup and mounted for steering, throttle and braking.
Car was exhibited in the Gilles Villeneuve museum for 5 years. Sold by the museum to previous owner.
Engine:
Fresh 358 sbc with dyno sheets. Fully rebuilt and to be run in. Mild tune. Strong engine. 587hp@6800rpm on pump gas; 497lbft torque@5400rpm on pump gas. Runs on pump gas. Have dyno sheet.
New Bowtie block. New set of 6200 rods. TA2 Isky surface finish; PSI chrome springs.
Flat top brand new Dart iron eagle heads
Mechanical roller setup
Drivetrain:
5 speed Saenz gearbox. Fully rebuilt. Spares package includes 1 copmplete Saenz gearbox, parts and spares to build a 3rd gearbox, plus large number of ratios
Upgraded and fully refurbished rear end. Stronger posi unit. New axles, jack shaft, ring and pinion, new torsion diff unit. New center section. Rebuilt by G-Force South.
Electrical;
Checked and rewired whole car electrics.
Relocated battery, switches.
Installed new alternator mountings, brackets and battery cables.
Rebuild alternator.
Relocated and installed new fuel pumps, brackets and new regulator.
Brakes & Hydraulics:
Completely new brake system (period correct). New Install new Alcon calipers, rotors, pads, brake lines, brackets and mounts. New brake bias system installed.
Calipers, rotors, pads assembly built by Pro Systems.
Hubs and bearings cleaned and packed.
New master cylinders
Rebuilt pedal assembly
Relocated oil lines.
Shocks:
Penske 8100 refurbished. New seals, fluids and separator pistons.
Equipment & Chassis:
New Sabelt seatbelts
New Momo steering wheel
New OMP RS-PT Black race seat
Brand new AIM MXG data logger installed. Sensors mounted and set up for steering, throttle and braking inputs. Full download capability.
New hood fastening system.
New drivers floor pan,
New nose undertray.
New Cool suit driver cooling system; helmet hose and cabin blower
Fire system in spec and up to date
ATL fuel cell in spec and up to date
Known History
1984-86 Derhaag Pontiac Firebird in Trans Am series. 10th in 1985 TA Championship
1987 Flip Groggins purchased car
1988 Rebodied as Buick Regal in IMSA GTO Championship
1992-94 Rebodied as Olds Cutlass. Raced by Flip Groggins
5th in 1994 IMSA GTO championship
WON 1994 SCCA GT1 Runoffs
1996- 2001 Rebodied as Camaro Gen 4. Owned and driven by Rivard Competition (Eric Boisvert, driver) Canada
2002 purchased by Gilles Villeneuve museum
2014: sold by Gilles Villenueve museum
2015-2022. Unraced
2022; purchased by current owner. Refurbished and upgraded by Bupp Motorsports
Spares package available,
54 item list, 10 totes of parts; bearings, gear sets, axle shafts, housings, radiator, 2 aluminum driveshafts, camshaft, valve springs, diff assembly, A-arm assembly, new dog ring, refurbed dog ring, 3 sets of quick change gears, power steering pump, wiper motor assembly, flywheel, bell housing, water tank, fan & oil pump belts, MSD coil, cap and rotor, carburetor injector kit needles, Holly carburetor kit, rear end oil tank, 2 rear bumpers, 1 front bumper
2 extra gearboxes ( 1 built and 1 to be rebuilt), large number of gear ratios.
Set of mounted, period-correct 5-lug BBS wheels, 6 sets of springs 300lb to 600lbs
Extra dog box;
Also Available
New Vbox video logger available separately. Brand new, still in box.