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2.2L L61 Performance Tech 16 valve 145 hp EcoTec with 155 lb-ft of torque

Stage 1 or stage 2

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Old 09-29-2008, 09:25 AM
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Stage 1 or stage 2
just wondering after iam done doing the boltons and hopefully a mani swap whats gonna be th ediff between stage 1 and stage 2 cams after searching it seems that stage 1 is safer but stage 2 is more power is this true and can i run stag etwo on just absic bolt ons? thank you
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Old 09-29-2008, 11:31 AM
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Go with stage 2, and you should be fine with bolt ons you'll just need a tune.
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Old 09-29-2008, 11:32 AM
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You need a tune either way.
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Old 09-29-2008, 09:04 PM
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I would replace the valve springs with stage 2. A minimum of .060” between the coils needs to be maintained.
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