05-30-2008, 04:41 PM
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CC Member
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Join Date: Aug 2006
Location: San Diego,
CA
Cobra Make, Engine: SPF1715, Roush Built 434 ci Stroker, Dart Block, Ported AFR 205 Heads... 561 hp / 547 tq, Former Roush Show Car, Completed and Prepped By Olthoff Racing.
Posts: 1,066
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Not Ranked
Quote:
Originally Posted by greg schroeder
I wonder if some of the engines sold as 427R are 434R? I have the exact same numbers on my engine dyno sheet as the plaque above with 561HP, but a blank Roush plaque. I never put it on the car. My valve cover does say 427R-095.
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As far as I know there were only three built by Roush. My car was owned and the motor was built by the then head of engine development for Roush and was the first built. |