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LT1/LT4 Tech 1993-1997

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Old Mar 9, 2011 | 10:23 PM
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1998camarossclone's Avatar
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Originally Posted by craby
bad opti can have a effect on mpg but going on you having a cylinder with only 40# compression test i would say that is the reason for having poor mpg. you are putting fuel into a piston thats not working and overworking the other 7 to try and pull along that dead hole.
also ive noticed during startup that it has a real hard time...it actually stops like it has alot of compression. i wonder if its actually a bad head gasket. water in the cylinders? or the opti firing off way too early(probably)
 
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Old Mar 13, 2011 | 02:19 PM
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well ive concluded that it was in fact a dead opti. did a compression test with a different gauge and its fine. when i pulled apart the opti water came out! like ALOT!!!!! the cap and rotor side had alot of green death. so i ordered a MSD unit
 
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Old Mar 13, 2011 | 08:22 PM
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cool, you found the problem. be back on the road in no time. you get a new water pump to put over that new opt? be a good idea.
 
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Old Mar 13, 2011 | 09:04 PM
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Originally Posted by craby
cool, you found the problem. be back on the road in no time. you get a new water pump to put over that new opt? be a good idea.
yes sir! got one when i bought the car
 
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Old Mar 18, 2011 | 11:30 PM
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well got my MSD opti and she runs PERFECT!!!!!
 
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