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Telling cams apart. Need help quick

Old 06-07-2009, 08:24 AM
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0.5 BAR
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Default Telling cams apart. Need help quick

I have aftermarket cams and the motor was half pulled apart by someone who didnt know what they where doing. now when i put the car back together, i just left the cams in the spot they where, even though they were just layin there.

so loong story short i just pulled them and noticed a "I" marked (hand written) on the exhaust cams sproket, and no other markings on them. how do i tell which one is exhaust and which one is intake?

Now the car has always idled like ---- real bad, but runs half decent and pulls real good (turbo). Will a car run at all with the intake and exhaust cams mixed up?

How do i tell them apart by looking at the lobes?
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Old 06-07-2009, 09:03 AM
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Both cams are identical as far as distributor side goes, obd0 with cam pos sensor.
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Old 06-07-2009, 09:06 AM
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if i hold them straight up, (arrow pointing up) and imagine they spin counter-clockwise, the intake valves will open first right?
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Old 06-07-2009, 02:43 PM
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i would look at the "intake" cam and see if there is an e on it for exhaust. that would be kind of funny if it was backwards.

opp - other people's projects
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Old 06-07-2009, 02:44 PM
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no, they only go in one way. sometimes aftermarket cams just idle like ----, depends on the specs.
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Old 06-07-2009, 06:38 PM
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yeah put them in the way you think then try to lash them. if there in wrong you will def know right away.
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