Engine Developments
1996 Corvette LT4
Single Mass Conversion
RPO Codes
1969 Nova SS
1967 Corvette 327
2004 Subaru WRX STI
The long range goal is to be capable of running 11.9 at 120 mph in the quarter mile and topspeed of 200 mph. Current gearing allows for that speed if the engine can attain 6800 rpm in fifth gear (using 275 sized rear tires) with a calculated 495 horsepower at the flywheel and 415 horsepower at the rear wheels.

Prior to any modifications:

13.24 at 110 MPH
My Topspeed 170 MPH (Headlights Down)



Stage One
Winter of 2001

GM HOT Camshaft--$186
Competition Cams Steel Roller Rockers/Guide Plates/Studs 7/16 (1.6 ratio)--$423
New LT4 Valve Springs--$29
New GM Severe Duty Timing Chain Set--$222
Single Mass Camaro Flywheel Conversion--$554
Injectors Cleaned--$218
Griffin Radiator--$500
Total--$2132

Results:

13.009 at 112 MPH
My Topspeed 175 MPH (Headlights Up)



Stage Two
Winter of 2002

CNC Original LT4 Cylinder Head/Intake Castings--$2200
LT1 Edit Reprogram--$550
Autotap Datalogger--$276
Wallbro High Capacity Fuel Pump--$121
Canton Road Race Oil Pan--$308
Total--$3455

Results:

12.729 and 111.05 MPH
My Topspeed Not Tested



Stage Three
Winter of 2003

Scat 4340 Forged Crank with 3.75 stroke (KIT)--$1440
Scat H-Beam Connecting Rods (5.7 inch length/No oil scraper supports!)
SRP Forged Aluminum Pistons (11.9:1 Compression)
Speed Pro Plasma Moly Rings--$100
Competion Cams Magnum Hydraulic Roller Lifters--$242
GM 847 Hydraulic Roller camshaft--$224
Competition Cams Beehive Valve Springs with Steel Retainers (26918)--$276
AFR Hydra Rev--$232
58MM Holley Throttle Body--$514
Total--$3028

Results:

12.445 and 116 MPH
My Topspeed 184 MPH (Headlights Up and 95% Humidity)

Above amount does not include all minor/small items such as block machine/gaskets/balancing/etc...HA minor!



Comments: tmcarthurs@hotmail.com