The manufacturer reports the 5.5L as having 395kw at the flywheel and a 0-100km/h time of 4.3s. As delivered with the addition of custom downpipes we performed a base Dyno run of 277kw at the wheels. After custom tuning power rose to a very impressive 426kw at the wheels. Thats a 149kw gain at the
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Mercedes SL63 AMG – Stage 1 98RON

  One of our favourite engines to tune and hear roar in the dyno room: the 6.2L V8 from AMG. A few days ago we had the pleasure to tune this handmade engine in a Mercedes SL63 AMG with an Etuners Stage 1 on 98RON fuel. The car came bone stock and produced 466hp and  550Nm of
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