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Old 05-08-2020, 12:39 PM
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Join Date: Jan 2009
Location: Las Vegas, NV
Cobra Make, Engine: Shelby CSX4005LA, Roush 427IR
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Quote:
Originally Posted by FredG View Post
Talk about complicating something.....When I purchased the car the previous owner told me the 427r was a bit finicky in that it didn't like lower RPM's specifically under 2k but past that the power comes on very quickly. I think it took all of about 15 min to adjust my driving habits and shift points. Problem solved.....nothing else need.

Fred
And the IR is even more finicky! The faux-8-stack trumpets and throttle bodies don't deliver a manageable air flow to optimize the fuel injection into the cylinider resulting in a system that can be optimized for idle or top speed but not both. I ended up running my idle at about 1200 RPM.
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CSX4005LA
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