C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Lt4 havin problems

Old Apr 14, 2008 | 03:10 PM
  #1  
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Default Lt4 havin problems

it started last sunday my car wouldnt start. i figurd the opti had decided to give up the ghost. So i changed the opti out and it started. But now im haveing a strong knock when i put the car in gear.
I am at whits end of what this could be.
does anyone have any idea?
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Old Apr 14, 2008 | 03:16 PM
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Originally Posted by joebuck
it started last sunday my car wouldnt start. i figurd the opti had decided to give up the ghost. So i changed the opti out and it started. But now im haveing a strong knock when i put the car in gear.
I am at whits end of what this could be.
does anyone have any idea?
You probably have a couple of the plug wires crossed.
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Old Apr 14, 2008 | 04:41 PM
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im 100 percent sure that there are no plugs crossed.
i made sure of that..
but whats funny is that it idles with no shake
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Old Apr 14, 2008 | 04:57 PM
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What opti did you use, MSD?
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Old Apr 14, 2008 | 05:32 PM
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Make sure the balancer bolts are tight.

Bruce
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Old Apr 14, 2008 | 05:43 PM
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i used an used OPTI. since the new accel didnt work..
NEVER BUY ACCEL
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Old Apr 14, 2008 | 07:15 PM
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I would say check for any loose stuff.
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Old Apr 14, 2008 | 07:18 PM
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How do you cross plugs?
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Old Apr 14, 2008 | 09:34 PM
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1st never use a used opti. What happened to the " free" new one you said you were getting in your last post. You may have carbon tracing in the opti do a search on it.
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Old Apr 14, 2008 | 09:58 PM
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the new opti didnt work.. and i mean crossed plugs..
im giong to be check for lose parts
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