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Old 03-27-2005 | 07:26 PM
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mikecdrew
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Default RE: Engine Woes - Evolution .46 NT and OS 40 LA
Since this is a second hand engine, I am starting to think the OS might be a lemon - and that is why it was sold. How did you determine where the crack was?

We started at 2.5 turns for the OS LA 40, and worked from there. From other posts, I think the culprit on both is the low speed needle valve. Do you know the setting for the OS 40 LA for this?
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