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12-22-2014, 02:12 PM
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#26 |
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blood type; Retumbo
Join Date: Jan 2004
Location: next to my reloading bench
Posts: 10,269
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Re: Timing problems 5.7 VORTEC HELP!!!!!
It's not "base timing". It is called "cam offset". Zero degrees is ideal but they allow +/-4. Warm engine to operating temp, watch "cam offset" in data stream, bring RPGs ro 1000 and adjust by turning distributor. While you're in there with the Verus take a look in "misfire data" to see which cylinders are missing
__________________
Man rule #77...if you own a 67 stepside with a caddy 472 you will never be in danger of loosing you man card |
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12-22-2014, 02:15 PM
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#27 |
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Registered User
Join Date: Dec 2014
Location: pittsburgh, PA
Posts: 4
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Re: Timing problems 5.7 VORTEC HELP!!!!!
Right on, the book for this is nealy impossible to find, been using a chevy p/u book.. Ill let u know how she do thanks again
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12-22-2014, 03:15 PM
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#28 |
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Registered User
Join Date: Oct 2009
Location: .
Posts: 2,187
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Re: Timing problems 5.7 VORTEC HELP!!!!!
w4500, I'm assuming that's an Isuzu NPR with a GMC emblem.
The engine is the exact same as the engine in a pick up. The only exception is oil pan and oil pick up. All The info in the chevy Book will be accurate. We worked on several NPRs. |
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