13/09/2005
In the intricate world of classic car restoration and performance enhancement, true specialists are rare gems. Among them stands Reg Patten, a name synonymous with unparalleled expertise in engine building, modification, and preparation. With over two decades of hands-on experience, Reg has meticulously honed his craft, transforming standard powerplants into formidable machines capable of breathtaking performance, all while preserving the integrity and spirit of the original vehicle. His wealth of knowledge, skill, and dedication is not just a personal achievement but a legacy he passionately shares with every client, ensuring their cherished classic cars receive the finest attention.
Reg Patten's journey in automotive engineering is rooted in a deep understanding of mechanical principles and a relentless pursuit of perfection. His two decades in the field have been spent successfully building, modifying, and preparing a diverse range of engines, cylinder heads, and transaxles. This extensive practical experience has endowed him with a unique insight into the nuances of classic vehicle mechanics, making him a trusted authority for enthusiasts seeking to optimise their cars for road or track.
The Heart of the Machine: Engine & Cylinder Head Mastery
At the core of Reg Patten's offerings lies his exceptional ability to develop and modify engines and cylinder heads to exacting standards. His portfolio showcases a remarkable breadth of work, from high-performance racing applications to robust competition setups. Each project is a testament to his precision engineering and the bespoke solutions he provides.
Notable Engine & Cylinder Head Developments:
| Engine Type | Key Modifications | Performance Figures (Approx.) | Notes |
|---|---|---|---|
| Healey 3000cc | Extensive cylinder head work, special lightweight conrods, pistons, carbon fibre push rods | 270 bhp @ 5800 rpm, 250 ft/lbs torque @ 4500 rpm (206 BMEP) | Designed for significant power increase |
| Imp 998cc | Modified to full race spec | 124 bhp @ 9000 rpm, 84 ft/lbs torque @ 5500 rpm (205 BMEP) | Optimised for maximum track performance |
| Imp 1200cc | Modified to competition (rally/sprint) spec | 116 bhp @ 7000 rpm, 99 ft/lbs torque @ 5500 rpm (205 BMEP) | Balanced for competitive rally/sprint use |
| Triumph Trident 750cc m/c | Cylinder head modifications | 75 bhp @ 8700 rpm (production), 86 bhp @ 9000 rpm (full race) | Specialised motorcycle engine enhancements |
These figures are not merely numbers; they represent the culmination of intricate calculations, meticulous machining, and a profound understanding of engine dynamics. For instance, the Healey 3000cc's transformation, incorporating lightweight conrods and carbon fibre push rods, illustrates a commitment to reducing reciprocating mass, allowing for higher revs and more immediate power delivery. Similarly, the Imp engines, renowned for their compact design, are pushed to their limits through precise modifications, achieving power outputs that far exceed their original specifications, making them formidable competitors on the circuit.
Reg Patten's Comprehensive Service Portfolio
As the ex-proprietor of Imp Service, Reg Patten brings a legacy of dedicated service to the Hillman Imp community and beyond. His expertise extends across a broad spectrum of services, ensuring that every aspect of your classic vehicle's powertrain is handled with the utmost care and professionalism.
Core Services Include:
- Imp Engine Specialist: Reg is particularly renowned for his work on Imp engines. This includes rebuilding, reconditioning, and modifying 930cc and 998cc units. His capabilities span from routine 875cc overhauls to comprehensive 1200cc full engine conversions, and even long-stroke conversions tailored to any specific requirement. This deep specialisation means he understands the unique characteristics and potential of these beloved engines.
- Cylinder Head Specialist: From converting cylinder heads for unleaded fuel compatibility to crafting full race specification heads, Reg's precision work ensures optimal combustion and airflow, crucial for both performance and longevity.
- Transaxle Rebuilds: A critical component for any rear-engined vehicle, transaxles are rebuilt to exacting standards, ensuring smooth power delivery and durability, especially under demanding conditions.
- Parts Supply: Reg offers a comprehensive mail order parts service, stocking a wide array of components. This includes standard and competition parts, essential items like Wills Rings, pistons, bearings, clutches, couplings, and manifolds, among others. The availability of such specialised parts is vital for maintaining and upgrading classic vehicles.
- Mechanical Repairs: Beyond engine and transaxle work, general mechanical repairs are undertaken, offering a holistic service for classic car owners.
- Secondhand Spares: Recognising the challenges of sourcing parts for older vehicles, Reg also provides access to a selection of secondhand spares, a valuable resource for restoration projects.
- Securicor Service: For convenience and reliability, parts and components can be handled via Securicor Service, ensuring secure and timely delivery.
Understanding the Difference: Rebuilt vs. Overhauled Engines
A common point of confusion for classic car owners is the distinction between a 'rebuilt' and an 'overhauled' engine. Reg Patten clarifies this with his own approach, ensuring transparency and quality for his clients.
Reg's rebuilt/overhauled Imp engines are constructed to the same high standard as a fully reconditioned unit. The key difference lies in the utilisation of carefully selected second-hand or serviceable parts, such as pistons, blocks, crankshafts, and valves, as and when they are available and meet his rigorous quality checks. However, a crucial aspect that sets Reg's work apart is that all rebuilt/overhauled engines are fitted with new piston rings and gaskets. Furthermore, valve seats are recut, and in most cases, new oil pump rotors and valve guides are installed. This meticulous attention to detail ensures that critical wear items are replaced, providing a significant improvement in performance and longevity over a mere second-hand engine.
It is vital not to confuse these professionally rebuilt engines with cheap, untested second-hand units often found advertised. A true second-hand engine typically lacks the new gaskets, rings, recut valves, and valve seat faces that are standard in Reg's rebuilt/overhauled units. The investment in a professionally prepared engine from Reg Patten offers peace of mind, knowing that the core components have been thoroughly inspected and refreshed with new, vital parts, designed to provide reliable service for years to come.
The Value of Specialised Expertise
In an era where generic mechanics may lack the specific knowledge required for classic vehicles, specialists like Reg Patten are indispensable. His focus on Imp engines, a relatively niche but passionate segment of the classic car world, means he possesses insights that general workshops simply cannot match. From understanding the unique lubrication requirements of these engines to knowing the precise tolerances for high-performance modifications, his expertise is invaluable.
Choosing a specialist like Reg Patten means investing in the longevity and performance of your classic car. His ability to diagnose subtle issues, source elusive parts, and execute complex modifications with precision ensures that your vehicle not only runs but thrives. Whether you're aiming for a concours-level restoration, a reliable road car, or a track-ready competitor, Reg's experience translates directly into tangible benefits: improved power, enhanced reliability, and ultimately, a more enjoyable driving experience.
Frequently Asked Questions
What makes Reg Patten an Imp engine specialist?
Reg Patten has over 20 years of dedicated experience specifically modifying, rebuilding, and reconditioning Imp engines. This includes working on various capacities (875cc to 1200cc), performing long-stroke conversions, and developing cylinder heads for both road and race applications. His deep historical knowledge and hands-on practice distinguish him as a true authority.
Can Reg Patten modify my engine for competition use?
Absolutely. Reg has a proven track record of modifying engines to full race and competition specifications, as demonstrated by his work on the Imp 998cc (full race spec) and Imp 1200cc (rally/sprint spec), achieving impressive power outputs and reliability for demanding motorsport environments.
What is the benefit of having cylinder head work done?
Cylinder head work, whether for unleaded conversion or full race specification, is crucial for engine performance and longevity. It optimises airflow, combustion efficiency, and valve sealing, leading to increased power, better fuel economy (in some cases), and preventing premature wear, especially when converting to modern fuels.
How does Reg Patten source parts for classic cars?
As an experienced specialist, Reg Patten maintains a comprehensive stock of both standard and competition parts, including specific items like Wills Rings, pistons, and manifolds. He also offers access to secondhand spares, leveraging his network and knowledge to find elusive components necessary for classic vehicle maintenance and upgrades.
Why should I choose a specialist for my classic car engine?
Classic car engines have unique requirements, tolerances, and historical quirks that general mechanics may not be familiar with. A specialist like Reg Patten possesses the specific knowledge, tools, and experience to correctly diagnose, repair, and modify these engines, ensuring their longevity, performance, and authenticity, avoiding costly mistakes often made by inexperienced hands.
For anyone passionate about their classic vehicle, particularly the iconic Hillman Imp, Reg Patten represents a beacon of expertise and quality. His dedication to his craft ensures that these motoring treasures continue to perform at their best, preserving their legacy for future generations of enthusiasts.
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