PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

Open loop for a cam only tr224 car?

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Old Dec 17, 2004 | 10:45 PM
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Default Open loop for a cam only tr224 car?

a customer of mine tuned by a "premier" shop in NJ was tuned in open loop for this cam...it is on a 112 but even at an 850 idle its like glass just doesnt seem like a cam that would need to be tuned in open loop...I told him Im gonna tune him in closed loop once he gets his heads on but wanted to get some second and third opinions on this...on larger cams obviously it becomes harder to keep the tune in check with closed loop but a 224?
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Old Dec 17, 2004 | 10:52 PM
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That thing should idle like stock at the stock RPM (800) in closed loop when tuned correctly.
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Old Dec 17, 2004 | 11:02 PM
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Yup I tuned a 224 cam only car tonight and it idles at 800 rpm
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Old Dec 18, 2004 | 05:55 PM
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Yup. My 224 and FM11 both idled like stock at 800.
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