Quote:
Originally Posted by XfireZ51
Billy,
Just a couple of suggestions.
1. The BLM split between left and right banks is not unusual particularly at low airflow levels like idle. If you are going to swap out injectors, it should not be because of that alone. If you suspect something else fine. Also, depends on mileage.
2. If stock coils and wires then I would upgrade these.
3. You'll need to make sure you drain coolant to levels below plenum.
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My car has 69,000 miles and to my knowledge has never had the injectors done. The car runs a little rough at idle. The local guy seemed to think it ran really rough for a ZR1.
They appear to be stock coils, and wires. It seems to be hit or miss with changing out coils.
Quote:
Originally Posted by secondchance
When ignition is in run position how frequently and for how long does your vacuum motor run? If it stays quiet for 30 seconds or more I would say your vacuum lines are in good shape.
Also, I would have a couple of 3 way vacuum check valves handy just in case.
I would check all vacuum line plastic to rubber boot connections and if they are sliding relative to the other, I would slide the hard line out about a 1/4", dab of Crazy glue, slide back in. Also, seal the rubber boot shoulder with black silicone sealant followed by a zip-tie. 'Course all that is unnecessary on my car since I pulled the whole secondary vacuum off the motor now.
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I would like to replace vacuum lines not just put a band aid on them. Where should I get the 3 way vacuum check valves?
My vacuum pump runs every second or so. So it there are some vacuum leaks.