Capital Speed Shop Willys

427 SOHC Motor in T-Bird

The 427 SOHC Motor dyno'd earlier this year makes it into the 55 T-Bird and is up and running.

SPD E-Gas Roadster Breaks Record World at Bonneville running Accel/DFI

After chasing the land speed record for the E-Gas Roadster since 2004,  SPD along with Autotrend EFI broke the record last week at Bonneville! The previous record was 202.9 and we pushed the record up to 204.6 The "E" class requires the engine size to be no larger than 260 CID. We are running a 258 inch Buick V6. controlled by an Accel/DFI engine management system, by Autotrend EFI.

Farther down is a post of the V6 on the engine dyno making 555HP

Custom Fuse/Relay Panel for Kawasaki Teryx Project

2011 Kawasaki Teryx

Just finished up a custom Fuse/Relay panel for UTVGuide.net's Kawasaki Teryx project.

The panel features 4 always hot fuses, 4 ignition hot fuses and four switch controlled relays for lights and fans.

Custom Fuse/Relay Panel

We make a few styles of standard panels, or you we can custom make a panel specific to your project.
More information: Fuse/Relay Panels

Buick Indy V6 Bonneville Motor

Buick Indy V6 Accel/DFI Engine Management. 258 CID, 555 HP
This motor was built by Brad Peters, Freight Train Racing
This is the Bonneville motor for SPD's E-Gas Roadster
Check out a couple dyno pulls to 8700rpm. Horse power was limited due to too small of throttle body housings. We're we're changing to larger throttle valves and we'll be back on the dyno.... stay tuned!

DFI Tuning--Hemi and 427 SOHC

Check out two recent Accel/DFI tuning project videos. Stack injected 392 Hemi and a stack injected Ford 427 Cammer.

Autotrend EFI Converted Hilborn

Early small block Hilborn Injection converted to EFI by Autotrend EFI

For this conversion we wanted to keep a nostalgic look so injectors are mounted in-board and

plumbing is done in black hose instead of fuel rails. Sysyetm is controlled by and Accel/DFI engine management system and custom Autotrend EFI harness

427 SOHC Hilborn EFI by Autotrend EFI

Update: Roush 511cid Shelby Cobra

The continuation Shelby Cobra is finished. This Cobra has a Roush 511 cid big block FE motor.

Like all of the Roush EFI packages, the drivability left a lot to be desired. The car was extremely difficult to start, idled very poorly and was running very rich. Autotrend EFI completely re-wrote the calibration (tune) and the car is a whole different car. Starting is great, the motor runs clean and crisp and idle quality and drivability is excellent. The engine management system is an Accel/DFI

Update: Roush 511cid Shelby Cobra

760 HP 605cid 1967 Camaro

This 1967 Camaro has a 605 cubic inch 760 HP all aluminun Big block Chevy.

We're running an Accel/DFI GEN 7 ECU and custom Autotrend EFI Wire Harness.

This car is on an actual NASCAR chassis and is very fast!

EFI 97s Are In Full Production!!!

We are now in full production of the EFI 97  These are our EFI throttle bodies designed to look like a Stromberg 97 ! These units are CNC machined, feature a single oval butterfly for increased CFM. We tested these units against an original Stromberg 97 and the results were incredible. We flow tested them on a Super Flow SF 600 flow bench. the Strombergs flowed 203 cfm and our EFI 97 flowed 344 cfm !!!! They feature roller bearing shafts, internal clock springs so there is no need for external return springs.

We sell these units as a complete kit with an Accel/DFI engine management system and a custom Autotrend EFI Harness  You can see more detailed pictures here. You can also see them in action on a Blown Ford Flathead on the engine dyno by clicking here

Autotrend EFI Selected as 2011 EMIC of the Year for Accel DFI

 

Autotrend EFI is proud to announce that we were selected at Accel's 2010 EMIC of the Year!

Autotrend EFI has been an authorized Accel/DFI EMIC since 1992. The EMIC program, Engine Management Installation Center, is a network of dealers across the country that sells and service the Accel/DFI line.  EMIC’s are generally shops who have knowledge in aftermarket performance EFI systems.

Autotrend EFI has a unique relationship with DFI. In addition to being one of their top selling EMICs we have a very close relationship with the technical and R&D department. We routinely test beta products before release to other EMICs and the general public. This gives us an edge on the market as well as an avenue for providing valuable input to DFI.

Another aspect that sets us apart is since 1992 Autotrend EFI has been producing wire harness products for the Accel/DFI systems.  We have been building harnesses for the Accel/DFI 6.0 system, GEN 7, ICM and now the new GEN 8 system.  Not only do we build custom wire harnesses for our internal use, but have been supplying custom harnesses and harness kits to many EMICs and car builders around the country.

When it’s time for you to step up to an Accel/DFI engine management system, why not buy from a dealer that can not only offer you competitive pricing, but also offer 18 years of DFI experience. We will not only help you make an educated decision on your EFI system, but also provide the tech support needed to make your project a success. 

Roush 511cid Big Block Ford FE with Accel DFI

Just in at Autotrend EFI. This Shelby continuation Cobra with a fuel injected 511 inch big block Ford FE motor running an Accel DFI engine management system.

Billet Aluminum EFI 97

Autotrend EFI has captured the style and look of the vintage Stromberg 97 and 48 carburetors with our new Billet Aluminum EFI 97

Features

• CNC Billet Aluminum Construction
• The EFI 97 has a unique 5 piece design. All components fit together perfectly due to precision CAD/CAM design.
• Single Oval Butterfly Design
• The EFI 97 incorporates a single oval butterfly allowing 65% more air flow than a conventional Stromberg 97 carburetor. ** See flow Data
• Stainless Steel Throttle Shaft With Roller Bearings and internal clock spring

Precision smooth throttle shaft movement and consistent throttle return are a must whether your running a single 97 or multiple 97’s. Each unit has it’s own adjustable internal clock spring insuring positive throttle return and eliminating the need for external return spring. Each unit incorporates positive stop idle set adjustment and wide open throttle stop. Stainless steel shafts ride on precision roller bearings for extremely smooth throttle action and consistent throttle return.

• EFI 97 Finish
• Standard is a brushed aluminum finish. Custom finishes available.
• Complete Systems
• Units are sold as a complete system including Engine Management System, Custom Wire Harness.

Flow Data

The EFI 97 was flow tested on a SuperFlow SF-600 flow bench. We did a comparative flow test between an original Stromberg 97 and our unit flowing them at today’s industry standard of 28 inches of water… The results were impressive.

• Stromberg 97 203 CFM
• Autotrend EFI 97 344 CFM

More information:  Billet Aluminum EFI 97

1969 Camaro Convertible with all aluminum 454 ZL1 Ramjet

This 1969 Camaro Convertible was built by Marquez Design and is owned by Harold and Sherry Bollenbacher.

Autotrend EFI did the complete chassis wiring, Accel/DFI Engine Management System, EFI harness and calibration/tuning work. This is an all aluminum 454 ZL1 Ramjet, featuring Autotrend's 502 Ramjet Fuel Rail and Billet Plug Wire Looms.

454 ZL1 Ramjet

1959 Evolution Corvette

This beautiful Corvette is owned by John Miller in Houston Texas, designed by Scott Bliss and built by Lakeside Rods and Rides. Autotrend EFI did the Accel/DFI Engine Management System, EFI harness, wiring and calibration/tuning work. This is a converted Enderle mechanical system on a small block Chevrolet making 572 HP. More Details.

41 Brizio Willys

This 1941 Willys was built by Brizio Street Rods in South San Francisco for Mike Medeiros. Autotrend EFI did the Accel/DFI Engine Management System, EFI harness and calibration/tuning work. This is a blown and injected 528 cid Hemi.

EFI For Any Engine

Fuel Injected 392 Hemi

By Dave Ehrlich, Autotrend EFI

Any gasoline-powered engine can be converted to run on Electronic Fuel Injection or EFI. An engine has no idea how it is being fueled. As long as the proper air/fuel ratios and ignition timing requirements are available, the engine will run and in most cases the same engine will perform better and be more efficient when converted to EFI. The advantages are numerous. Great cold start, better fuel economy, better performance as well as altitude compensation.

For this reason, it has become increasingly popular to convert the older work horse engines from the past to Electronic Fuel Injection. Ford's 427, 428 and Cleveland engines, Chrysler's 440 and Hemi head engines and of course the Chevrolet small blocks and big blocks are among the popular engines to convert over to EFI.

With an Electronic Fuel Injection system, an Engine Control Unit or ECU controls the A/F ratios and ignition timing curves. All aspects of engine performance: cold start, idle speed control, transient fueling, A/F ratios, timing curves and electronic spark control are calibrated into the system and precisely controlled through a feed back process. On a properly calibrated feed back system, the ECU constantly gathers information from various sensors processes it and then tunes and adjusts the engine to meet changing conditions. Another advantage of EFI is the Engine Control Unit can control non-engine functions such as cooling fan operation and transmission functions.

When converting a carbureted engine to EFI, there are certain aspects of the engine that need to be addressed in order for the system to work properly. Camshaft profiles that work well with a carbureted engine, may not work as well with the EFI system. This is because of the difference in intake manifold design between a carburetor manifold and some EFI manifolds. A common EFI conversion is to take the components from the Chevrolet Tuned Port Injection equipped Corvettes and Camaros and put them on older small block Chevrolet engines that were previously carbureted. Unless the camshaft is changed to match the Tuned Port intake, the result is not always favorable. In order to realize gains in performance, efficiency and drivability, it is important to make sure when using a particular EFI system that the camshaft match that particular system. The same theory holds true when developing an EFI intake manifold for an engine that was never available from the factory with fuel injection. If the conversion involves converting an existing carburetor intake manifold over to EFI then a camshaft change may not be needed. If a dramatically different intake manifold design is to be used, a cam change becomes necessary.

Careful planning from the beginning of the conversion is necessary in achieving a successful out come. Whether the engine is in a Streetrod, muscle car, truck, boat or designed to work in a stationary piece of equipment, a system can be developed to optimize that engine's performance.

About Autotrend EFI:

Autotrend EFI has been an authorized Accel/DFI EMIC since 1992. The EMIC program, Engine Management Installation Center, is a network of dealers across the country that sells and service the Accel/DFI line.  EMIC’s are generally shops who have knowledge in aftermarket performance EFI systems.

Autotrend EFI has a unique relationship with DFI. In addition to being one of their top selling EMICs we have a very close relationship with the technical and R&D department. We routinely test beta products before release to other EMICs and the general public. This gives us an edge on the market as well as an avenue for providing valuable input to DFI.

Another aspect that sets us apart is since 1992 Autotrend EFI has been producing wire harness products for the Accel/DFI systems.  We have been building harnesses for the Accel/DFI 6.0 system, GEN 7, ICM and now the new GEN 8 system.  Not only do we build custom wire harnesses for our internal use, but have been supplying custom harnesses and harness kits to many EMICs and car builders around the country.

When it’s time for you to step up to an Accel/DFI engine management system, why not buy from a dealer that can not only offer you competitive pricing, but also offer 18 years of DFI experience. We will not only help you make an educated decision on your EFI system, but also provide the tech support needed to make your project a success.