C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Aug 22, 2010 | 12:52 PM
  #21  
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Originally Posted by 7T1vette
Sounds like the needle valve in the Q-Jet is stuck closed or has 'junk' in it.
It's not a Q-jet. It's a 670 Street Avenger Carb. Now the problem is that I'm not getting any spark.

Originally Posted by ...Roger...
Sorry I'm a little late getting back I was driving back from an emergency trip to Ft. Myers.
Where do you stand on checking the dist. ? I cheat a little on these checks,I have a little electronic box I use that checks the module and pickup. An infinite reading between terminals on the pickup coil is bad at anytime (test also while operating vacuum advance).
For the ignition coil , infinite readings across the BAT and TACH terminals are bad. I cheat again here , I have a know good cap and coil I swap in to test (in case the coil is just weak).
Hopefully your engine is already running sweet.
I checked the coil across the BAT and Tach cable and got less then 1ohms, and based on what I read on the manual, that's a good thing. I'm going to go outside and try to connect a new 12V wire to the HEI and see if that will get it working. This is a Mallory HEI distributor, so I don't have an extra coil to test if that's the problem. I have an HEI distributor that I got when I bought an engine, but its been converted for an external coil.
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Old Aug 22, 2010 | 12:53 PM
  #22  
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You guys are being very helpful, by the way, and I really appreciate that.
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Old Aug 22, 2010 | 02:54 PM
  #23  
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Got it on. It was the timing that was off, but I do need a new distributor cap and rotor. Thanks guys for all of your help.
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