Client Vehicle Gallery

We want to thank all of our customers, feel free to check out some of their cars.

 

 

2011 Camaro SS Heads & Cam Package

This 2011 Camaro SS came to Excelsior looking for a new set of heads and a bigger camshaft to fully utilize them. In addition, we "blinged out" the engine bay with our brand new finned LS engine valve covers.

 

 

Mazda RX-7 Widebody LSX Swap

While we normally tune domestic cars, this wide body RX-7 was too interesting to pass up. Not only does this particular RX-7 have a 6.0L iron block L99 based engine hiding in its tiny engine bay, it also has a full cage and air ride suspension.

 

 

Pontiac GTO Dyno Tuning

Need more adrenaline when you step on the "go pedal?" The owner of this 2006 Pontiac GTO brought his car in for exactly that. After some time on our dyno, we were able to extract even more power from this already tuned vehicle!

 

 

1937 Chevy Sedan Delivery LSX Swap

Lately it seems we’ve been working on more and more classic muscle and hot rods. This 1937 Chevrolet Sedan Delivery really puts power to the ground thanks to an LSX based engine and custom dyno tuning.

 

 

1967 Camaro SS LS3

This 1967 Camaro SS wasn’t fast enough in stock trim. The owner opted for an LS3 pulled from a 2010 Camaro. After some diagnostic testing and dyno tuning, this car performs like it rolled off the Chevy showroom yesterday - except with big block power and 25mpg.

 

 

Factory Five GTM Supercar Dyno Tuning

A Factory Five Racing GTM Supercar came to us for a custom performance tune and diagnostic work. This GTM boasts roughly 500 horsepower and weighs in at just over a ton. These kits are made with quality in mind, come out looking fantastic and perform even better.

 

 

C5 Z06 Stage 1 Performance Package

This C5 Z06 Corvette came in for our popular Stage 1 performance package. Our stage one package consists of a K&N Cold Air System, Ported Throttle Body, Cooler Thermostat, Taylor Wires, NGK Plugs, Baseline Dyno and Custom Dyno Tune.

 

 

1968 Pro Touring Camaro BBC Supercharger

EBay Motors can be a blessing, or a curse - and this 1968 Camaro proves it. This 1968 Camaro was bought through eBay with many unmentioned flaws. The transmission was leaking and in bad shape, we installed a rock crusher transmission to handle the power of the supercharged big block. The fuel system was completely original, we replaced the entire system, complete 1/2 inch fuel lines from the tank to the carburetor. The supercharger’s intake piping had blown out and was affecting boost levels, so we designed a new blower intake system. We installed a new dash cluster, fixed the leaking rack and pinion steering and sorted out a few other problems so this 68 Camaro would be enjoyable car to drive. Soon, this Camaro will be available at the Barret Jackson auction.

 

 

2010 Corvette Grand Sport Stage 1

This Grand Sport Corvette came to us with handling and performance in mind. It was lowered using a Penske coil over system, which we valved very aggressively for street & track use. To improve the performance of the LS3 engine our stage 1 performance package was installed. Our Gran Sport Corvette stage 1 package consists of; K&N cold intake, ported throttle body, spark plugs & wires, MagnaFlow exhaust, new billet valve covers, low temp thermostat and custom dyno tune. This car puts out 430hp & 430 ft-lbs at the rear wheels and it needs to stop as effectively as it launches. We installed our stage 1 brake upgrade which includes Hawk pads, stainless steel brake lines and Motul fluid.

 

 

1956 Bel Air LSX Conversion

This 1956 Chevrolet Bel Air was treated to an L99 engine conversion. To make this hot rod a little more fun to drive, we added long tube headers and a few other tricks from our street rod stage 1 package like a cold air intake and a lower temp thermostat. Now this hot rod is not only far more powerful than it ever was before, but it also gets great mileage around town!

 

 

Steve's SCCA T1 C5 Z06 Corvette

Steve competes in SCCA club racing events with his Z06 Corvette. Recently the T1 class (Touring 1) permitted C5 Corvettes full length headers, which we installed.

Kushan,
"Maybe you can put a pic of my car on your site. Enclosed is a picture with trophy taken after I swept the Regional and National races (two separate races) at Cal Speed on the Jan. 23-24 weekend. The other was taken on track that weekend."
-Steve

 

 

Mike's Stage 4 2008 Z06 Corvette

Mike's 2008 Z06 received a stage 4 performance package consisting of our CNC ported LS7 heads, custom ground camshaft, our very own roller rocker needle bearing upgrade, ARP head studs, MLS gaskets, ported intake manifold, American Racing long tube headers, high flow cats, X pipe, K&N cold air system, ported throttle body, cooler thermostat, Taylor spark plug wires, NGK spark plugs, baseline dyno and custom dyno tune. Mike decided to further upgrade the vehicle with us, adding coilovers and a four corner balance.

 

"My car is lights out fast and handles awesome... I am very happy with Kushan's work; he is the only guy that I will let work on my car."

 

 

Gary's Stage 3 2007 Z06 Corvette

Gary's 2007 Z06 came in for a stage 3 performance upgrade with the drysump upgrade for track driving. While the vehicle was in the shop, Gary also took advantage of our four corner balance and alignment. Watch out for this vette on the track!

 

 

Micah's 2005 Cadillac CTS-V

This Cadillac CTS-V was brought to us for what is basically our stage 4 upgrade without heads as the CTSV comes with an LS6. The client added performance brakes at all four corners and a lightened flywheel. We're happy to say that this 4 door CTS-V will walk away from a C5 Z06 Corvette with headers!

 

 

2010 Camaro Stage 3 Performance Upgrade

This 2010 Camaro came in because the owner wasn't happy with the lack of power from the stock LS3. We tossed in our LS3 Stage 3 performance kit; K&N Cold Air Kit, Hand Ported Intake Manifold, Taylor Wires, NGK Plugs, Ported Throttle Body, Cooler Thermostat, American Racing Long tube Headers, High Flow Catalytic Converters, X Pipe, Baseline Dyno & Custom Tune. As you might imagine, this Camaro is running much more efficiently and producing close to 60 horsepower more than stock!

 

 

Jim's Factory Five GTM Supercar

Jim brought us his GTM Supercar for a custom performance tune. The GTM is a super light (2350lbs) kit available from Factory Five Racing. Don't think for a second that these kits are like others on the market. The GTM's only engine options are from Corvettes. This particular model has an LS6, though we have seen them with engines as large as a 427cid LS7! Coupled with a full tube chassis and coilovers, this vehicle will pull 1.05G, run 11's all day long and stop faster than a Ford GT.

 

 

Mike's Supercharged 418cid LS2

Mike brought us his C5 corvette because he didn't feel it was fast enough in stock trim. A supercharger certainly solved that problem. This Corvette laid down a "moderate" 590 rear wheel horsepower and looks great doing it!

 

 

Nick's 2009 ZR1 Corvette

This monstrous Corvette was brought to us with handling in mind. We installed a carbon fiber front splitter and removed the fog lights to allow for custom brake ducting while still maintaining a factory look.

 

 

Pratt & Miller C6 RS

This Pratt & Miller C6 RS came to us looking for some transmission work and a custom dyno tune. The Pratt & Miller C6 RS is a purpose built carbon fiber race version of the C6 Corvette. The full floating 6 and 4 piston brakes really get a workout via a custom 8.2 liter Katech engine pushing out 600hp/600ft-lbs.

 

 

Bruce's 2007 Z06 Corvette

Here's Bruce's Z06 Corvette receiving some track modifications. One of which was the addition of a differential cooler as racetrack use can destroy improperly setup rear ends. By installing a differential cooler Bruce's C6 Z06 wont see any heat related failures on the track.

 

 

C6 Z06 Pfadt Coilover Conversion

This C6 Corvette came to us all the way from Texas. The owner wanted better handling for the street. We suggested a Pfadt coilover conversion, which is a solid performance coil over adjustable suspension package.

 

 

Gary's 2007 Z06 Corvette

Gary wanted to push his car a little harder than most. He asked for the stage 2 performance upgrade which consists of a Cold Air System, 180 Thermostat, American Racing Headers and our exclusive EFI Live Custom Tune. Peak power levels in mid range were as high as 47 rear wheel HP and 41 Lb/ft of torque. Needless to say, he is very happy with his new ride. He was nice enough to send us this email about his corvette;

Kushan,
It runs ................................GREAT. The performance has definitely increased. As an added perk, so has my mileage. I use to average 21.9 MPG driving to Fontana today with speeds of up to 90 mph, I averaged 24.4 MPG

 

 

Russel's 2005 C6 Corvette

Russell came to us to take advantage of our stage 1 performance package, complete with custom tune with a cold air system. He was also concerned about the differential weakness in the '05 C6's so we added a differential brace to eliminate the problem.

 

 

Derryl's 2006 Z06 Corvette

Derryl found us through the Corvette Forum. His interest was to get some more power without any major modifications. He heard about our Efi Live Tuning Software and the success we have had with it. As you know, the new E38 computer in these new C6 Corvettes are much more complicated but far more advanced than previous models. Efi Live has taken much longer to develop this unique software but it's far more advanced than other products on the market.

As an an exclusive Efi Live tuning facility, we want to give our customers the best they can get for the expensive cars they have purchased. We believe that there is no software that can meet this challenge like the Efi Live tuning Software.

Derryl took advantage of our stage 1 performance package which includes a K&N Cold Air System/180 deg thermostat and dyno tuning.

 

 

Rich's 427cid C5 Z06

Road racing is one of the harshest environments for any race car. The power train and drive train go through extreme punishment so a properly built engine with the right pieces would with stand that environment. We built a new 427 cid LS2 engine with all the right pieces to handle such a task. Nothing was spared in this project including all forged and billet components and a drysump system.

 

 

Kushan's 1963 Split Window Corvette Drag Car

With the demands of Kushan's business he has little time to spend on his dream of mixing old technology with new technology. His plans for his '63 Split Window Corvette is to incorporate a LS7 EFI engine on a 3 stage pneumatic nitrous system. In the meantime he is running his car with a 468cid big block Chevy running on methanol.

 

 

Thomas's C6 Z06 Conversion

Thomas had some unresolved issues with the performance enhancements that he had done at a competitors speed shop. The performance and workmanship did not meet his expectations. We were able to meet and exceed that level, and in the end gained his trust. His car is now running as he expected and there are no remaining issues. One of the major improvements was the EFI Live Custom Operating Systems two bar MAF less speed density tune which netted him an additional 30 hp at 3,200 and up to 60 hp at 6,500 rpm. Previous tune was done with a HP Tuner. This is why we use EFI Live Software.

 

Call to schedule a performance evaluation today.

 

 

Excelsior Motorsports

Email Excelsior Motorsports
1324 B Industrial Ave.
Escondido, CA 92029
760-743-6000