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Old 03-13-2019, 07:59 AM   #76
67 chevelle
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Join Date: May 2013
Location: WEST PALM FLORIDA
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Re: Intermittent power loss (need help troubleshooting please)

Quote:
Originally Posted by trevarthan View Post
The Saga continues. We rebuilt the carb. It worked for a few days, then it started stalling again. No amount of tuning would fix it. So we bought a remanufactured carb and tuned that. Still stalling.

I started suspecting it wasn't the carb at this point.

I was going through every vacuum test I could think of when it did this on the exhaust restriction test: https://youtu.be/Z_I_cT5yRos

Is it possible this has been an exhaust restriction the whole time?
Most certainly , when a catalytic converter goes ,it does this but its full time , not intermittent , the diverter valve that runs gas to your air cleaner may be causing the issue ,
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68 Long Fleet , ly6 , turbo 350 , 3-5 drop , original paint , front discs
67 Small window , 7 foot bed , tweaked 6.0 LSX 2004R Medium Olive
58 Apache fleet , 235 , offy intake , dual exhaust , 4 on the floor , red/white
69 Long Fleet , Custom , 6.0, 4l60 , AC , Medium Olive
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