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I have a 68 chevelle and my car will not turnover, its not the battery and i just recently put new spark plugs,wires,rotor,distributor cap, ignition module and coil and my car doesnt turn over it cranks hard but doesnt seem to wanna turn over fluently and start

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  • wtfitseth Oct 16, 2010

    the firing order is correct. ive checked that numerous times. Ive noticed that there might be gas coming out of my plugs. Not sure if its gas or not but ive read up on that and was told to take my fuel pump?

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If the battery is fully charged and you have good connetions, sounds like an ignition timing problem. If the timing is too advanced, teh plugs will fire before the piston is high enough in the travel and when it fires will try to turn the engine over backwards. Check to be sure the firing order is correct and you didn't mix up any plug wires since having some firing at the wrong time will do the same thing. Stock engines will have the firing order cast into the intake manifold for easy reference.

Posted on Oct 16, 2010

  • Scott Schoemann
    Scott Schoemann Jul 12, 2012

    ALSO a 68 is a breaker point ignition although you state you replaced the ignition module... this would indicate aftermarket ignition or factory hei conversion/update... This could be a source of problems on it's own. Improper spark gap for the type of ignition will cause all kinds of problems. if you gapped to FACTORY specs with an after market ignition the smaller gap could have fried the ignition system. This is always an issue to watch for when changing from old tech to new tech systems (I love posting on old posts when people neglect the obvious, since so many people learn from these forums!)

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This diagram is for 1998-1995 Chevy 6 cylinder 4.3L engines.
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archaeology_96.jpg

Since you probably got everything right, then you're left with really unusual/rare causes of
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(a) rotor button misaligned/failing to make contact?
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