The Imp Site
Contents of Books
Supplied by Gillian Hill, as these books are available from Regalia, - December 1997
Tuning Imps
by Willy Griffiths
- Stage 1: Modified head, valves and altered camshaft, but single carburettor
- Stage 2: As Stage 1, but with twin carburettors and suitable manifold
- Stage 3: 1,000 c.c. block, pistons etc., further head modifications, alternative camshafts, larger carburettors (including Webers, fuel injection). Reducing to 850 c.c.
- Stage 4: Suspension, transmission, body modifications and brakes
- Stage 5: Further modifications to valves, heads, blocks and lubrication
- Appendices: Addresses for specialists services and suppliers, table of carburettor settings, torque wrench settings, etc.
Imp Tuning & Modification
by J.D. Hansen
- The Imp Range
- Evaluating Engine Performance
- Brake Horse Power & Torque;
- Brake Mean Effective Pressure;
- Volumetric Efficiency;
- Combustion Efficiency;
- Mechanical Efficiency;
- Summary
- Modifying the Imp
- Improving Combustion Efficiency
- Compression Ratio;
- Combustion Chamber Shape
- Improving Volumetric Efficiency
- Camshaft Design;
- Gas Flow;
- Exhaust & Inlet Manifolds;
- Carburation;
- Fuel Infection
- Mechanical Efficiency
- Balancing;
- Assembly;
- Valve Gear;
- Special Parts;
- Lubrication;
- Cooling System;
- Ignition System;
- Transmission
- Chassis Modifications
- Suspension;
- Wheels & Tyres;
- Brakes;
- Bodywork
- Modification Programmes
- For Road Use;
- For Road & Competition;
- 998 c.c. Conversions for Rallying & Racing;
- 850 c.c. Free-formula Imp;
- Supporting Modifications:
- Lubrication System:
- Sump Modifications;
- Oil Coolers;
- Oil Pump Skew Gears
- Cooling System
- Transmission
- Chassis:
- Suspension
- Brakes
Appendices
- Carburation
- S.U.
- The Stromberg CD
- Weber Carburettors
- Basic Operating Principles
- The Weber 28/36 DCD
- Normal Running;
- Acceleration;
- Starting Device
- The Weber DCOE
- Normal Operation;
- Idling Operations & Progressive Action
- Acceleration;
- Starting Device
- Gearing
- Modification Equipment
- Rootes Tuning & Performance Equipment
- Suspension;
- Wheels;
- Brakes;
- Protective Devices;
- Engine
T.C. (Timothy Cunliffe) Millington, born 1932, used to work at Chrysler's Competition Department and later at Talbot's competition centre.
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Hillman Imps : Tuning - Overhaul - Servicing
by Tim Millington
Chapters
- A profile of the Imp Range
- Routine Servicing
- Fault Diagnosis
- Engine Overhaul
- Transmission Overhaul
- Brakes, Steering and Suspension
- Engine Tuning
- Modifications to the Transmission
- Suspension Modifications
- Improving the Brakes
- General Competition Preparation
Appendices
- Schedule of Periodic Maintenance
- Recommended Lubricants
- General Data
- Torque Loading
- Wiring Diagrams
- Suppliers of Special Equipment and Services
The Book of the Imps
by John Thorpe
A reprinted title by John Thorpe. First published in the Pitman’s Motorists’ Library as "The Book of the Hillman Imp and Singer Chamois" in 1966, it was revised in 1972 as "The Book of the Imps".
Chapters:
- Make it routine;
- Tools and their use;
- Diagnosing faults;
- Top overhauls;
- Major overhauls;
- Work on the electrics;
- The cooling system;
- The fuel system and carburettors;
- Steering, suspension, wheels;
- The braking system;
- Work on the body;
- plus an Appendix of reference information.
Apex : the Inside Story of the Hillman Imp
David & Peter Henshaw
Foreword by Tim Fry
Acknowledgements
Foreword
Introduction
- From Slug to Apex
- The history of Rootes from its foundation up to the mid-1950s
- All prototype and design work on the Imp from 1965-60
- Testing, testing... testing
- Rootes decide to build a new factory at Linwood
- Testing the prototype Imps from 1961 up to the start of production
- 1963-65; Shaky Beginnings
- Linwood is built and opened. Public reception of the Imp; early reliability problems
- 1966-68, Improvements
- Rootes financial problems and subsequent takeover by Chrysler. Singer Chamois introduced
- The Hartwell Imps. Early competitio successes (e.g. Rosemary Smith). Series 2 introduced
- Variations; The Upmarket Imps
- Description of all the Imp variants introduced onto the home market (Sport, Husky, Stiletto etc)
- Description of Imp prototyp@ which never reached production (e.g. Asp sports car)
- 1969-76; The Final Years
- Chrysler's involvement and policy/changes within the company Cost-cutting. Series 3 introduced
- Competition successes (the Bevan Imps). Hartwell GT. Final changes to the Imp
- Linwood history after the Imp is dropped (1977-82)
- Conclusion
- Why the Imp failed where the Mini succeeded. Was it the car that killed the Rootes Group?
- Specials
- A look at the various uses to which the Imp engine has been put, eg. speedboats, kit-cars, motorbikes
- Owning an Imp
- Points to look for, prices, etc.
- Second time around
- Linwood since closure
Charts and Tables
Index
Geoffrey Rootes' dream for Linwood : pictorial look at a landmark in British car manufacture
Robert J Allan
Frontispiece
Acknowledgements
Introduction
- Geoffrey Rootes and the Dream
- Making a Reality
- Working at Rootes, Linwood
- Meet the Workforce
- Open Day at Linwood, and Family Fun
- The V.I.P. Treatment
- Exhibition for Scottish Industry
- MPs Tour Imp Factory at Linwood
- Track Record
- How These Imps Are Really Made!
- Flights to the Imps
- Expansion, Exports and Later Years
- End of The Dream, and Memories
References and further reading