93 z28 bangs when starting
I went to go buy a 93 z28 and when the guy started the car there was a loud pop. The guy said it’s the starter and that it has done every time he starts it since he owned it. Before buying the car I wanted to check to see if anyone had an idea of what that is. |
Re: 93 z28 bangs when starting
Can you describe the sound more? Are we talking backfire? Or does it sound like parts banging together? |
Re: 93 z28 bangs when starting
Originally Posted by JakeRobb
(Post 7001940)
Can you describe the sound more? Are we talking backfire? Or does it sound like parts banging together? |
Re: 93 z28 bangs when starting
Was the engine cold or hot when the owner started it? The starter wouldn’t cause a backfire (popping in the intake manifold) or popping in the exhaust. It is more likely a problem with unburned fuel in the system, a valve hanging open, or an ignition timing error. Is the engine basically stock, or has it been modified? If modified, what was done to it? |
Re: 93 z28 bangs when starting
Originally Posted by Injuneer
(Post 7001943)
Was the engine cold or hot when the owner started it? The starter wouldn’t cause a backfire (popping in the intake manifold) or popping in the exhaust. It is more likely a problem with unburned fuel in the system, a valve hanging open, or an ignition timing error. Is the engine basically stock, or has it been modified? If modified, what was done to it? |
Re: 93 z28 bangs when starting
Could be the rotor in the Opti is cracked or coming loose, or carbon tracking in the Opti = timing error. |
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