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Old 01-06-2013, 03:13 AM
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cobalt327 cobalt327 is offline
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Quote:
Originally Posted by GMC boogie View Post
I installed a 3 bushing and now my readings are:

IO 9 BTDC
IC 39 ABDC
EO 49 BBDC
EC 1 BTDC

I am within 1 of the cam card, I think I will leave it as is.
It's fine like you now have it IMO.

Two keys? Maybe for a blower hub. He's talking about changing the phasing of the cam. Cutting a new keyway does not need to be done for a simple cam timing change.
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