Thread: Roush 427R engine issue. Troubleshooting..
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Old 02-19-2010, 06:16 PM
blkasp2 blkasp2 is offline
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I know the dealer checked the filters and pump. As far as the ignition system, I am not sure which one it has as the car is still with the dealer. The engine is a brand new 427R. Any idea as to why it would only have 520 HP at the flywheel? Roush sells it as a dyno proven 550hp. After I get this issue resolved, whats the easiest way to pick up some HP? Anything I can do without voiding the warranty??
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