LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Misaligned Opti.......

Old Feb 21, 2011 | 07:58 AM
  #1  
TUNDRKYS's Avatar
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From: PORT ARTHUR, TEXAS, US
Misaligned Opti.......

I recently had a bad Opti, used the techniques posted in the sticky thread to diagnose.

However, my car still doesn't start. If I were to go through the steps again, I would imagine everything would look good if the new opti is good. But if I stabbed the thing in wrong, how would I know without taking everything apart again?
Old Feb 21, 2011 | 09:29 AM
  #2  
Injuneer's Avatar
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From: Hell was full so they sent me to NJ
Re: Misaligned Opti.......

You wouldn't.

When it tries to start, is the any backfiring or chugging? If the dowel pin is in the wrong hole, its either advanced or retarde 120 cam degrees (240 crank degrees) and it going to sound really weird. Are the injectors firing?

Did you check for codes before replacing the Opti?
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