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1969 Firebird "Little Big Chief" Chassis Dyno Test


Pin Guage Front View
Jet Change Front View
Carburetor Reinstalled Front View
Smile Front View
1969 Firebird Side View

Engine Build Up Worksheet
Displacement359 ci
Bore/Stroke3.905/3.750-in
Bore/Stroke Ratio1.041:1
Rod/Stroke Ratio1.77:1
Bottom End
BlockStock 350 Pontiac
Deck Height10.210-in
CrankshaftStock Pontiac 3.75-in stroke
BalancerStock Pontiac replacement
Connecting RodsPontiac cast 6.625-in
BearingsFederal Mogul 0.10 undersize
PistonsSterling cast flat-top with four valve reliefs
Piston PinsSterling, press-fit
Piston RingsSpeed-Pro moly faced
End Gap0.017-inch top, 0.015-inch second
Piston to Deck Height-0-
Rod BoltsARP
Oiling System
Oil PanMilodon wet-sump
Oil PumpMelling high-volume
Windage TrayPontiac
Heads
Casting No.17
Combustion Chamber Volume80 cc
Flow at 28 Inches of Depression224/196-cfm at 0.600 lift
Valves2.02/1.66-in Manley SS
Compression Ratio9.01:1
RetainersComp Cams chrome-moly
Rocker StudsARP
Rocker ArmsHarland Sharp 1.5:1 roller
Push RodsComp Cams 5/16 x 0.80-in wall
Push Rod Length9.130-in
Cam
BrandComp Cams flat-tappet hydraulic
Duration at 0.050-in218/224-deg
Lift0.462/0.470-in
Centerline106-deg
LSA110-deg
Installed Position106-deg
LiftersComp Cams
ValvespringsComp Cams dual design
Seat Pressure117 psi at 1.600 in
Open Pressure232 psi at 1.100 in
Timing ChainComp Cams roller
GasketsFel-Pro
Induction
CarburetorEdelbrock 650-cfm, No. 1806
IntakeEdelbrock Performer RPM, dual-plane
Fuel Line3/8-in
Ignition
DistributorMSD Pro Billet
PlugsAutolite No. 86
WiresMoroso
Exhaust
HeadersHedman 1.75-in primaries, 3-in collector
System2.5-in dual, Flowmaster mufflers

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