12-01-2009, 06:09 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 twobjshelbys
My Roush 427IR still cuts out at 4400 RPM. Calls and emails to Todd and John are ignored. I'm just looking for help and can't even get that.
Oh and it drinks and spills about 2 qts of oil every 1k miles |
What octane fuel are you running? My motor was cutting out at close to the same RPM, and we figured out it was a fuel problem. I lowered the octane and the problem went away. |