Patrick Guerra's '98 SS convertible
Best ET: 11.59 @ 118.9 mph on motor!
10.67 @ 128.1 mph on the spray!
Motor mods:
Heads ported by Casey Snider: Chief Head Porting Instructor, School of Automotive Machinists, Houston, Tx. 305 cfm @ .500 lift (intake) and 230 cfm @ .0500 lift (exhaust). Ferrea 2.055" intake valves, 1.600" exhaust valves, 1.800" installed height, Comp Titanium retainers, Crane 99893 Dual Springs (145 seat, 355 open), 61cc chambers, 10.90 compression ratio.
Stock displacement short block, stock pistons fly cut by Joe Huneycutt, Racing Solutions, Inc.
Thunder Racing "sleeper" camshaft: 214/220 duration at .050, .600/.527 lift, 115 LSA installed at 117 ICL by Joe Huneycutt, Racing Solutions, Inc.
Ported oil pump with shimmed spring for increased volume and pressure performed by Joe Huneycutt, Racing Solutions, Inc.
LS6 intake manifold.
Whisper Motorsports carbon fiber intake lid with K&N filter.
Screenless unported stock MAF.
SLP ram air lower scoop.
NX Shark Nozzle installed in the back-half of the MAF wing.
Thunder Racing Ported Throttle Body, with hot water bypass.
ASP under-drive crank and alternator pulleys.
FLP 1 3/4" long tube headers, ceramic coated, dual cats.
SLP Optional Dual Dual exhaust.
Nitrous Express Kit (75-150 hp wet kit).
NGK TR-6 spark plugs gapped .045".
Custom pcm tuning by Geoff Skinner of Thunder Racing, Baton Rouge utilizing LS1 Edit, Dynojet Chassis Dyno and a wide-band O2 sensor. Air/fuel ratio set at 13.0 to 1 on the chassis dyno, timing is 28 degrees initial, 29 degrees max, idle speed 800 rpms, rev limiter 6800 rpms, shift points 6400 rpms. To see gains of Thunder Racing custom tuning over Ed Wright tuning, press here.
To see dyno of motor through closed exhaust locked vs. unlocked, press here.
Driveline mods:
Yank Sportsman 4L60E transmission. Super fast shifts. 50% more torque capacity than stock.
Yank Super Stock 3800 9.5" converter with unique 21 blade stator and oversized 10.5" clutch.
B&M Super Cooler 19,000 GVW.
10 Bolt rear end, GM 3.73 gears, Auburn High Bias limited slip differential, TA rear girdle cover.
NASCAR style chrome-moly driveshaft.
Vinci line-lock
Chassis/Suspension mods:
HAL coil-over adjustable shocks/springs front, adjustable shocks rear.
Kenny Brown Double Diamond sub-frame connectors.
Metco lower control arms.
Dimpled rotors: front, rear with red painted calipers.
5 point roll bar with swing-out sidebar.
Firestone Firehawk SZ-50 EP Radials 275/45/17 all around
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