It is not the first time that the Lancia Delta HF Integrale is the target of a resto mod — we remember Automobili Amos, for example — but Maturo Competition Cars decided to approach the subject a little differently.
Rather than just showing a “redesigned” Delta HF Integrale, three were soon unveiled, with varying levels of intervention that he called Stradale, Rally and Classic.
The Stradale is the furthest in the changes made, while the Classic is the closest to the original. Rally, on the other hand, was made to compete.
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Stradale to explore the full potential of the «monster»
O Delta HF Integral Stradale from Maturo Competition Cars is distinguished from the start by its carbon fiber body panels and its engine.
The starting point is an original model which is disassembled down to the «last bolt», repaired (if necessary) and then protected against corrosion (epoxy primer) before being repainted – the same treatment is given to the Classic and Rally.
In addition, it gains 250 additional weld points to strengthen the body’s weakest points and increase torsional rigidity – the Stradale also gets a roll cage for the same purpose.
At the same time, the Delta HF Integrale gets a new carbon fiber “skin” which in itself contributes to a mass reduction of 50 kg.
All this strengthening and alleviating work is equivalent to having a car that matches the engine’s performance, which is much better than that of the original model.
The starting point is the same 2.0 l turbocharged four-cylinder engine with specifications from the Delta HF Integrale Group A. It has also been converted and improved and guarantees “at least” 360 hp and 500 Nm.
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One of the improvements received is a intercooler larger, an improved replica of the original Garret turbo, a modern fuel injection system, new electronics, a carbon fiber airbox and even the wiring is new. Maturo says the bike is now lighter, more reliable and more durable than before.
The traction is still four-wheel drive, but has new differentials and axles (made from the same special steel used in Formula 1 cars), but the gearbox is still the original one, which has been reinforced – optionally we can opt for a box dog pawwith the first back, with straight teeth.
It also has new four-way adjustable dampers, derived directly from the rally cars that Maturo prepares, and can be optionally adjusted with a hydraulically operated knob.
The brakes are also derived from the competition, controlled by an unassisted pedal board consisting of 330mm diameter discs at the front and 282mm at the rear.
The brake pressure between front and rear can be adjusted by the operator via a rotary knob on the redesigned hydraulically operated handbrake.
Rally to compete, Classic to respect the original
Does the Stradale go too far in adapting the original? Alternatively, Maturo suggests: Delta HF Integral Classicwithout visual changes, but subject to various improvements with the aim of eliminating the weaknesses of the original model, increasing the reliability and robustness of the model.
In addition to the reinforced base – like the Stradale – both the engine and chassis are subject to improvements.
The engine has been rebuilt and improved (Stradale turbo, new ECU and wiring harness, stainless steel exhaust system) now delivers 275 hp (60-65 hp more than the original). Maturo also promises a smoother delivery.
Maturo also strengthened the gearbox, the differentials were improved, and as for the suspension, it got new shock absorbers and springs, as well as polyurethane bushings. The brake discs are still from Brembo. Outside, for example, are the carbon fiber body panels or the new interior.
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Finally we have the Lancia Delta HF Integral Rally, made to compete. In short, it is a racing machine recognized by the FIA HTP (Historic Technical Passport) and therefore Maturo’s intervention could never be as deep as in the Stradale.
For example, the Rally has the same reinforced base as the Stradale, but the carbon fiber panels had to be omitted. The engine has also been converted to Group A specifications and the gearbox is the dog paw (reverse first), which can have five or six speeds (as with the competition Delta).
The interior appears to come straight out of Delta Group A and features equipment such as a pilot-co-pilot communication system or an automatic fire extinguisher. The exterior decoration is to the taste of the customer and can mimic the originals of Lancia, as we can see in the example above, with the colors of Martini Racing.
For now, Maturo Competition Cars has not announced any prices for its Lancia Delta HF Integrale resto mod.
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