Thread: Roush 427r only made 400whp :(
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Old 05-06-2015, 02:48 AM
NZCOBRA NZCOBRA is offline
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Join Date: Jun 2003
Location: NZ ., nz
Cobra Make, Engine: Berry Cobra ,Tremec 5 spd . 408 windsor , double A arm 9"rear
Posts: 46
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I had my car on the dyno the other day , Hub dyno 408w and only got 420 at the wheels , with a dip in the torque curve , I thought it might be the mufflers , so we removed the center core (spirals) and picked up 62hp !. Cheers .
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