Greg and Tony's Project Cars

428 pics - GTO race videos - Engine Compartment pics

Engine: 1969 428YH block (.030 over and zero decked), Keith Black hypereutectic flat top pistons, Competition Cam's XE274 cam, 6X-8 ported heads milled to 96cc with 1.6 CAT aluminum roller rockers and 2.11/1.77 Ferrea stainless steel valves, yielding 9:1 compression. Timing is 12deg with 34 total all in by 2500. Great torque and pulls hard all the way up to 5700rpm now!

Exhaust: 4 tube 1 5/8" primary Hedman headers with 3" mandrel bent dual exhaust out the back using tuned Coffin mufflers.

Intake: Edlebrock Performer intake with 80496-1 Holley 950HP carb.

Drivetrain: Modified TH-400 with heavy duty gears, pretty tight shift kit (good neck snapper!), a custom made Continental 2500rpm stall converter, Hurst dual-gate shifter, Olds 442 posi rearend with 3.90 gears and poly bushings.

 


455 pics - Firebird race videos - Engine Sounds - Primer pics

Engine: 1973 455 (.035" over), JE/SRP forged aluminum pistons, H-Beam rods, solid roller cam with .643"/.660" lift and 246/253º duration @ .050" and lifters, ported Edlebrock aluminum 87cc heads flowing 315cfm with 1.6 ratio Competition cams red-anodized aluminum roller rockers and 2.11/1.77 Ferrea stainless steel valves, 10.4:1 compression.

Exhaust: Hedman Husler Series 4 tube 1 7/8" round port headers with 3.5" collectors reduced to 3" aluminized tubed dual exhaust using 3 chambered Flowmasters.

Intake: Edelbrock Victor 4500 intake with #8896-2 Holley 1050 Dominator carburetor jetted #88 square.

Drivetrain: Modified TH-400 with heavy duty gears and reverse manual valve body, deep chrome pan and B&M Pro-Ratchet shifter. PAE Switch Pitch 1400/4000 converter, standard driveshaft with hardened U-joints. Custom built 12 bolt chevy rear end with bolt-in 33 spline axles, Eaton brute force 33 spline unit, 1350 pinion yoke, 4.10 gears. Calvert Racing's CalTracs, Carerra front shocks, Moroso trick front springs, Calvert Racing mono-leaf springs, and Rancho 9-way adjustabhle rear shocks are used to hook this monster up!