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View Full Version : It's just a reliable 1109hp twin-turbo VaporWorx fuel system, nothing to see here....



CarlC
09-30-2013, 01:33 PM
Keeping reliable fuel delivery under all driving conditions continues to be the driving force behind VaporWorx fuel systems. We’ve been a bit quiet lately, but we have been delivering upgraded products and even greater fuel delivery capability to our customers.

The latest VaporWorx pulse width modulated electronic control systems now come in a single module box. Combined with a Delphi GT150 sealed connector for all signal functions, the controller measures a compact 3”W x 3”Hx 1.65”H and has a 55-amp continuous power rating, by far the highest in the market today. These controllers are compatible with the Camaro LS3/ZL1,Cadillac CTS-V, and many Ford PWM fuel modules and pumps.

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There has been much speculation as to the capability of a true returnless fuel system in modern high-horsepower applications. In that light VaporWorx would like to disprove the theory that only a flow-through traditional mechanically regulated fuel delivery system will work in high-power applications.

Let’s look at two of the highest horsepower systems yet built using the VaporWorx tank design and pulse width modulated FlowWorx “Smart”electronic control system. The latest install is in Josh Kalis’ DC Camaro. This car is, simply put, a monster. During the last chassis dyno pull it put down 1109hp/1145tq on a mix of 91 and racing gasoline.
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The system was designed so that when the engine is not under boost only a single ZL1 fuel module is working. This allows for quiet operation, minimum fuel heating, less electrical system draw, and maximum reliability. Once the engine hits 2psi of boost the second ZL1 module is turned on. Both fuel modules now operate within the same closed-loop feedback system and can provide up to 800 lbs/hr at 60psi of delivery capability. To put that in perspective, the system can pump dry an 18-gallon fuel tank in 7-1/2 minutes at 60psi

Rick’s Tanks built the tank according to the chassis needs for Josh’s car. It’s not only a work of art, it can also deliver plenty of fuel under low level conditions. This is a custom piece with side filling, twin modules, exhaust notching, and flange mounts. It’s a shame that it must go under the car

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Here’s a video that Josh posted on Facebook during his chassis dyno run on Sept. 18 and a mini-photo of the final dyno sheet

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These systems do require specific controllers, wiring harnesses, and associated parts to work correctly. The wiring harnesses are specifically built to suit the chassis and wiring layout and include Delphi GT280 high-power sealed connectors. The harnesses can also incorporate fuel level sensor wiring to make the install clean and straightforward.

The other has been a more long-term application. The Mark Stielow designed and built “Mahem” Camaro has been using the first ever VaporWorx twin ZL1 fuel module system since the car was first fired up. At 1000 piston horsepower it too is a brute, and it helped power the car to win the 2012 Optima Ultimate Streetcar Invitational. Later in 2013 Mayhem did something a bit more sedate by completing the Hot Rod Power Tour with zero fueling issues. Mark’s latest creation, Camaro XV, will use the same twin ZL1 fuel module design.

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A similar single-module FlowWorx kit has also been retro-fitted into another of Mark’s icons, Jackass. Using the CTS-V fuel module is a great match to the ZR1 engine package.

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All of the VaporWorx systems, not just those shown above, utilize a single fuel line to the engine. No external filters, regulators, or return lines are needed.

Oh, there was this other little event in May. Three VaporWorx equipped cars swept the podium in the Vintage American class at the 2013 One Lap of America. With a combined 13,000 miles of driving in nine days there is no room for the weak. These cars have a combined 50,000+ miles of operation on theirVaporWorx fuel systems with zero failures or required maintenance. That’s right, zero maintenance.

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VaporWorx has started modifications for the modern world of fuel delivery. Chassis specific kits to fit a Cadillac CTS-V fuel module into thePontiac G8 are now available. This offers the G8 owner a drop-in solution for customers that need higher fuel delivery and OE reliability. One of our customers is running a 10.85 1/4-mile using a single CTS-V pump and methanol injection. It's also his daily driver.

With the continuous power rating currently available it would be an easy task to stage three fuel modules to operate under closed-loop conditions. Peak amperage demand can be as much as 50% higher. At 60psi fuel pressure that's 1200lbs/hr, or enough to safely supply 1800hp supercharged/turbocharged. Who's up for that one?!

Thank you to all of the great VaporWorx customers and supporters. Our success is only due to your confidence in what we do: We Give You Gas.

no go nova
10-01-2013, 07:44 AM
Great system. Could you make it work with a aeromotive phantom pump set up?

CarlC
10-01-2013, 08:47 AM
Aeromotive makes great products, but I do not believe that using a VaporWorx PWM returnless system will work with the Phantom line. Aeromotive does offer a PWM system but it requires an external regulator and an ignition RPM source, hence it is not a single-line returnless setup.

Note that Aeromotive states that this must be a return line system. It does not appear that their "bucket" design has venturi pumps to keep the pump submerged in fuel. Their system uses the return line to keep the bucket full. Basically, the system returns heated fuel to the bucket since it does not have provisions to do it like an OE module. There also no provisions for corner pickups.

Also, the Phantom pump still requires the use of an external filter, regulator, and return hoses. If using the recommended Aeromotive parts, the $550.00 Phantom kit can easily turn into close to $900, not including the tank. Fitting this on a stock tank will likely mean having to either space the tank down or cut a hole in the trunk floor for clearance. The hat sticks up an inch or so above the top of the tank.

I've never been enthusiastic about using sealants to help seal fuel pump mounting rings. Aeromotive states to use a gasoline rated RTV when the provided seals won't make up for gaps which are likely to occur on stock tanks with deformations. I prefer to have a welded ring an an o-ring seal.

None of this is to say that the Phantom won't work. However, for any product the pros and cons should be considered before purchasing, especially something that is not easy to change and won't work with future upgrades.

Nothingface5384
12-02-2013, 11:22 AM
how much is thw pwm kit?
does this replace a FPR or do you still need one?

lastley have you guys ever tried seeing if the Electronic Fuelab FPR could regulate the fuel modules you guys offer?

CarlC
12-02-2013, 06:16 PM
The Fuelab system is meant to be used with their pump. It will not work with a GM or other OE type module. Though the Fuelab is one of the more advanced systems, it does not address low fuel level starvation. The OE type fuel module is the best system for keeping the pump immersed in fuel.

The VaporWorx PWM kits are a pressure regulating system using pressure sensor feedback as the primary control mechanism. Kit prices depend on options and chassis design since each kit is built with a custom wiring harness to best fit the car.

Nothingface5384
02-22-2014, 02:26 PM
bump
Whats the going price for single pump kit