Full engine preparation of the Yaris GR, including a forged engine, sequential gearbox, and other modifications for improved performance and reliability.
Preparazione completa del motore della Yaris GR, incluso motore forgiato, cambio sequenziale e altre modifiche per migliorare prestazioni e affidabilità.
Explanation Video
preparation
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Restoration of the ovality of the cylinders by rebuilding the liners.
Ripristino ovalizzazione dei cilindri tramite la ricostruzione delle camicie.
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Replacement of shirts using a cutter.
Sostituzione camicie tramite l’utilizzo di una fresa.
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Creation of a CNC plate to reduce engine vibrations, restoring the various water and oil passages.
Realizzazione di una piastra al CNC per ridurre le vibrazioni del motore, ripristinando i vari passaggi dell’acqua e dell’olio.
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Flattening of the block with restoration of all water and oil passages.
Spianatura del monoblocco con il ripristino di tutti i passaggi acqua e olio.
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Replacement forged pistons, heavy duty H-rods, ARP connecting rod bolts.
Reinserimento dei pistoni forgiati, bielle ad H resistenti, bulloni Biella ARP.
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Machining on the cylinder head, machining on the intake and exhaust ducts, closing the engine using reinforced head studs.
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Lavorazione sulla testata, lavorazione sui condotti di aspirazione e scarico, chiusura del motore utilizzando dei prigionieri di testata rinforzati.
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Leveling the volumes of the three rooms.
Messa a livello volumi delle tre camere.
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Tests and results after the changes made.
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Test e risultati dopo le modifiche effettuate.