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Please Explain??
hey guys, just had my car verso retuned..
Basically... I had it 1st tuned few months back with: Full Exhaust VF28 turbo Front mount CAI Bigger fuel pump Made 247.2hp at the hubs.. went back for a retune the 2nd time this time with 800cc injectors but this time, my clutch couldnt handle 21 psi so was slipping, detuned it back to 18psi at about 250hp but sean said it peaked at about 266hp at one point now tonight i had it retuned with a heavyduty clutch with the injectors and a new mac valve to control boost. only made 251.7hp without a slipping clutch.. comparing torque was 325nm and is now 347nm how can it only change 3hp?! Difference i noticed on the dyno sheets are: with the 247hp it goes up nicely and gradually and the 251hp, it gets to about 4500rpm and kinda dips til 4750rpm then keeps going up! Can anyone explain to me why?!?!
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