Model & Year

1970 Camaro RS

Class

Pro ET – 9.00 to 11.99 sec.

Engine

434ci Small Block

Best 60-foot

1.29 (April 2007)

Average 60-foot

1.35 - 1.37

Trap RPM

7700

Shift RPM

7300

Weight with driver

3000lbs.

Best ET - mph

9.71 - 138mph

SUSPENSION

Front

Moroso # no. 47180 springs cut down by ¾”, increasing rate to 228.3 lb/in. with 90/10 Carrera drag shocks, solid body bushings, subframe connectors, Global West Del-A-Lum bushings in A arms.

Rear

Mono leaf springs, CalTracs and Rancho 9000 shocks, all from John Calvert. Shocks currently on 4, ½ pre-load on CalTracs – bottom hole.

Rear end

GM 10-bolt 8.5 inch spool with 4.56 gears, Moser 31 spline axles, LPW Heavy duty cover with bearing cap supports, axle tubes welded to centre section.

Wheels and tyres

Front: Weld Pro Star 15x3.5 with MT ET front runners 27.5  x 4.5in. 40psi

Rear: Weld Pro Star 15 x 8 rims with Phoenix radials -  30 x 9 – normally 18psi (these tyres are great! - no, they are the best!!)

Roll cage

10 point

ENGINE

Displacement

434ci

Heads

Dart 220 aluminium (2.02 intake valve, 1.6 exhaust) some porting by John Gianoli of Gianoli Motorsports - San Bruno - California

Cam

Crane mechanical roller, special grind. Advertised duration: intake 311, exhaust 315 – duration at .050 lift: intake 282 ATDC, exhaust 286 BTDC, max lift 746. 1.65 rockers.

Compression

11.43:1

Fuel

Pump gas - Shell Optimax preferred

Oil

Millers fully synthetic 5W30

Intake

Dart single plenum matched ports

Carburettor

C&S Specialties modified Holley double pumper 900cfm – annular discharge squirters with billet CSR 2” spacer and 4” air filter – twin Holley blue top pumps

Pistons

JE Forged, Manley “H” beam chrome moly steel rods to be updated

Rings

Childs & Albert  to be updated

Headers

Dynatech stepped (1 3/4 to 1 7/8)

Oil pan

Custom fabricated via John Gianoli

Ignition

MSD 6-AL with billet MSD distributor and MSD coil

TRANSMISSION / TORQUE CONVERTER

Trans

TH350 with TCI heavy duty direct clutch drum with sprag and manual valve body. We do not currently use a transbrake and having finally achieved the launch we want without using a button we'll happily continue to use the correct limb for the task.

Torque converter

Munsinger purpose-built 8 inch – 5600 stall