The Definitive Rover V8 Engine Knowledge Base for Range Rover, Land Rover, TVR, Morgan, Marcos & Classic Cars Running Rover V8 Engines
 


INDEX
ENGINES
CARBURETTOR
IGNITION
EXHAUST
FUEL INJECTION
VEHICLE UPGRADE
TRANSMISSION
SUSPENSION
LPG
INSTRUCTIONS
DIAGNOSTICS
PHOTO GALLERY
VIDEOS
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A&R Amp Technology..

Hand Built exclusively for us developed for our customers Engines Ingition needs
Take a look inside our A&R hand Built Ignition amplifer and Dual Timing system.

THESE AMPLIFIER ARE SUITABLE FOR 4, 6 AND 8 CYLINDER ENGINES



Almost 4000 amplifiers built / supplied the past 18 years, essential for all Rover Distributor ignition types.

Will this fit my engine? This amplifier will fit all the standard Rover V8 distributors, both single point and electronic, (excluding the early Lucas Opus system)
Will also work in conjunction with the Mallory Unalite and Dual Point Distributor.
If you have the early Lucas Opus distributor we seriously suggest that you upgrade from this system as it will be losing you 2 - 3 miles per gallon on fuel economy
and much more in performance terms as well.



What is the Advance by Retard system?

LPG is much more economical and just as powerful as petrol, but the issue is with the ignition timing and spark intensity due to the slower flame front of LPG.
When the selected fuel is gas, it is usually beneficial to employ rather more ignition advance than would be used with petrol to achieve best efficiency.

The unit addresses this requirement by allowing the timing to be set up optimally for gas and then automatically retarding the ignition (by an adjustable amount of degrees) when petrol is selected. The automatic retard is activated only when engine revs are greater than 1500, since the unit?s accurate operation relies heavily on engine flywheel effect.

A diagnostic indicator LED lights up when the automatic retard is active. As revs fall below 1500, the retard does not cut out until below approximately 1200 rpm. This overlap ensures that the unit cannot ?hunt? near the switching threshold.
Thus it is possible to have optimum setup for gas while avoiding problems associated with over-advanced timing when switching back to petrol.







The Graphs here shows, the increase in spark duration from 0.1ms to 2.0 ms, this is a massive gain by any standards and represents double the spark duration of all Std Rover V8 systems



Thus it is possible to have optimum setup for gas while avoiding problems associated with over-advanced timing when switching back to petrol.
The unit contains its own integrated power output stage employing a low-saturation IGBT power transistor for low loss, minimal self-heating, and maximum reliability.
The internal circuits are protected against accidental battery reversal. The input circuits allow configuration to suit most types of points and sensor types of distributors.
Finally, internal links allow the automatic retard sensitivity to be set to suit 4, 6, or 8-cylinder engines


Bigger Sparks, Maximum Power & Efficiency Potential, especially when upgrading other areas.

Our exclusive A&R Power Amp increases spark output from 35KV +/- (new stock) to nearly 50KV, & with Magnecor leads, this is all the ignition power you will ever need.



If your engine already has one of the later type electronic ignitions, and its mechanical and vacuum advance systems are in perfect working order (many aren't), we offer a new ignition spark amp system that's sure to maximize your fuel and power returns, and which can be used with all standard electronic ignition types, except the early Lucas Opus system 35DE8/ Illumination systems

Small on the outside - Big Power on the inside. Installation in less than 30 minutes without any experience.
Uniquely The A&R unit is completely hand built exclusively for us & uses Insulated Gate Bipolar Transistor (IGBT) output switch technologyAlmost 4000 amplifiers built / supplied the past 18 years, essential for all Rover Distributor ignition types. Stylish, simple to fit and no screws or drills required, the unit sits on a pad of double sided tape that not only cushions it, but makes it so simple to fit onto and flat surface at any angle, even upside down. The quality is in its hand built construction, Maybe you would like a close look of that quality..

The right hand graphs shows here, the increase in spark duration from 0.1ms to 2.0 ms, this is a massive gain by any standards and represents double the spark duration of all Std Rover V8 systems

 

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