Speed Inc. Installed Camshaft Package
COMPANY: Speed Inc.
VEHICLE: Most LS1
PART NUMBER: N/A PRICE: $1,399.99
POWER GAIN: 50 hp (rear wheels)
Just as with LS2-equipped vehicles, Speed Inc. offers an LS1 fall/winter camshaft installation package special that includes any COMP cam up to 0.600-inch lift (stronger dual Patriot springs will be needed over this), COMP springs, and chrome-moly pushrods, along with all necessary seals, fluids, and hardware-and a dyno tune! Speed Inc. says gains of 50 rwhp are realistic depending on how aggressive one wants to go with the camshaft specs. That's a lot of power for just under $1,400-without you even having to touch a wrench!
Extra-cost options, some of which will add significantly to power gains, include NGK plugs ($15.99), A/C recharge ($50.00), long-tube headers ($150 plus cost of headers), an ASP crank pulley ($230 w/belts), an ARP crank bolt ($26), and Patriot dual valvesprings ($125.00).
TSP C5 Header & X-pipe Package
COMPANY: Texas Speed & Performance
VEHICLE: Corvette
PART NUMBER: N/A
PRICE: $849.00
POWER GAIN: See dyno chart (rear wheels)
Catering to budget-minded C5 enthusiasts, Texas Speed's header & X-pipe package features 1 3/4-inch diameter headers with 31-inch primaries. Built from aluminized steel, the headers come standard with ceramic coating. Both they and the supplied 3-inch off-road X-pipe are mandrel-bent for the best possible flow, and TSP says their slip-fit design will bolt up to any factory or aftermarket cat-back exhaust system. The headers are offered with and without AIR and EGR fittings, and all of them come standard with O2 fittings in the collectors and extensions for the front O2s. (The rear O2s will have to be turned off with tuning, which TSP can do for $75 plus shipping.)
If you prefer to use your factory H-pipe (to keep your cats and also save $200), the company offers the system with a pair of connection pipes that will couple their long-tubes to the factory H-pipe. Either way, the package will also come with a new GM dipstick and dipstick tube for 1997-2000 model C5s. The dyno graph shows results before and after the long tubes and X-pipe installation on a six-speed 2000 Corvette.
Thunder Racing LS1 F-Body Bolt-On Package
COMPANY: Thunder Racing
VEHICLE: Camaro / Firebird
PART NUMBER: N/A
PRICE: $775.00
POWER GAIN: Up to 40 hp (rear wheels)
Louisiana-based Thunder Racing offers this LS1 F-car performance package that includes a mandrel-bent, stainless steel MagnaFlow cat-back exhaust system with 3.5-inch polished tips. Other package components include a Whisper Motorsports Induction Lid, high-flow air filter, and an ASP crank pulley complete with new shorter belts. Sound simple? It is-and that's the beauty of it. Anyone with decent mechanical competence can install the package on his or her F-body, too.
All of these included items combine to yield improved sound, economy, and most importantly power! Specifically, Thunder Racing says that as much as 40 rwhp can be unleashed depending on application. That's enough to put just about any near-stock Mustang in your rearview in a hurry.
LS1 Moderate Budget
SLP 400 HP F-Body PerformancePac
COMPANY: SLP Performance Parts
VEHICLE: Camaro / Firebird
PART NUMBER: 28038
PRICE: $3,398.45
POWER GAIN: See dyno chart (rear wheels)
In addition to the items included in the company's 350 HP PerformancePac, SLP's 400 HP F-Car PerformancePac also gives you an 85mm High-Flow MAF to further aid intake airflow, and a DiabloSport II Programmer with SLP custom tuning to optimize engine spark and fuel.
In addition, 1.85-ratio rocker arms act to open your LS1's valves further for increased cylinder filling and emptying. Speaking of cylinder emptying, tuned-length long-tube headers with aluminum-ceramic coating are provided along with high-flow cats and all necessary hardware. Top it off with the included distinctive fender badges, and you've saved $100 over purchasing all of these items individually! Though this particular package part number is for 2001-2002 vehicles, similar packages are available for all other model year Camaros and Firebirds.