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2016 Polaris RZR XP Turbo

Product Review

Accel DFI Gen 7
in a Sand Rail

Total Engine Control for our Sand Rail
ACCEL/DFI's 7.0+ Engine Management System

Get it in and working


Accel DFI Wiring Loom      Accel DFI Installed
"Standard" wire harness and original installation

The system was originally purchased with an engine from Speed-o-motive, and installed by V8 Rail.

Calibration & Tuning

Accel DFI Gen VIII Computer Interface   Accel DFI Gen 7 User Interface   Top Of The Hill - Engine Dyno Tuning   Top Of The Hill - Engine Dyno Tuning

The engine was rebuilt by Top of the Hill in Livermore, CA. I had Dave at Autotrend EFI do the Accel tuning while on the engine dyno.  I was very impressed with Top of the Hill's facility and staff, and very happy with Dave's tuning ability and knowledge of the Accel software.

The Results

Peak Output:

485 HP at 6400 RPM
475 lb-ft at 4900 RPM

The torque curve makes the engine very driveable in the sand. 454 lb-ft @ 3500 RPM - 390 lb-ft @ 6500

Wiring Harness

The wiring that came with the car left a lot to be excited about:

Original Accel Wire Harness   Original Accel Wire Harness   Original Accel Wire Harness  Original Accel Wire Harness   AccelDFI-9.jpg (103279 bytes)

I decided to take the plunge an have Autotrend make a new harness for the car.

Autotrend Wiring - In Progress   Autotrend Wiring - Completed

Custom made Accel wiring harness can be made by Autotrend.  If you are installing from scratch, and want your car's EFI setup to come out clean, contact Dave at Autotrend.

Accel wiring harness from Autotrend   Accel wiring harness from Autotrend
Examples of Autotrend's custom wire harnesses

Autotrend also makes an un-terminated harness (complete on the ECU side) that installers can use to make their own custom harness.

Autotrend's un-terminated Accel harness

AutotrendWire-3.jpg (52034 bytes)
Autotrend can also build and install custom panels and wiring.

Billet Plug Wire Looms from Autotrend EFI

    billet spark plug wire looms

Billet Spark Plug Wire Looms

Contact Info:

Accel DFI - Parts, engine tuning, custom wire harnesses
Autotrend EFI
Dave Ehrlich
6566-C Commerce Way
Diamond Springs, CA 95619

Engine Build
Top of the Hill Performance Center
410B Longfellow Court
Livermore, Ca. 94550
(925) 449-3330

Mr. Gasket Company
10601 Memphis Ave. #12
Cleveland, OH 44144

Phone: 248.380.2780 (Tech Support)

Back to Product Reviews

Back to Sand Dune Guide

Long Travel:
Can-Am Commander Long Travel Kits
Kawasaki Teryx Long Travel Kits
Polaris RZR Long Travel Kits
Arctic Cat Prowler Long Travel Kits
Yamaha Rhino Long Travel Kits

Favorite Sites:
UTV Guide
Crowley Offroad
UTV News
UTV Models


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