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

LT1 help

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Old May 21, 2009 | 11:22 PM
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Default LT1 help

was wondering if any of you guys might be able to help me pin point my problem

ok i swapped what i found out is a 94 LT1 (thought it was a 95)into my 84 corvette. got all the wiring hooked up, gettin 5 volt references at all the places im supposed to be gettin it but all it doesnt is crank but no start. im not getting any spark.VATS has been deleted



could it be:

bad opti
opti module
igniton control module
electronic spark control module

??????????


i just want to knwo what i have to buy to get it running. wish i had the money to do the whole swap to get away from opti but maybe some other day.

this is all it does

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Old May 22, 2009 | 12:19 AM
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Old May 22, 2009 | 04:16 AM
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oh sorry that video was before i put the plugs back on but it still does the prett ymuch same thing.
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Old May 22, 2009 | 05:19 AM
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1st make sure you have all your wiring correct.

Double check all your connection, and connection points.

http://www.lt1swap.com/1994_f_body_w...ss_schemat.htm
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Old May 22, 2009 | 08:08 AM
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Originally Posted by James93LT1
1st make sure you have all your wiring correct.

Double check all your connection, and connection points.

http://www.lt1swap.com/1994_f_body_w...ss_schemat.htm
By the way, that's an excellent choice of color you made on your 93.
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Old May 22, 2009 | 02:28 PM
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yeah everythigns hooked up. we went through the harness like 4-5 times. but i guess well go over it again.

was gonna hook up a obd1 connector so i can scan it to see what code im gettin.
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Old May 22, 2009 | 04:28 PM
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It started!!!!

found that for some reason there was no ignition goin to the opti, so i jumped a wired and tried it out and it started on the first try.

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Old May 22, 2009 | 05:20 PM
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Congrats! Sounds nice.
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Old May 22, 2009 | 10:18 PM
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thanx, still have to get o2 sensors. also for soem reason theres no water circulating through the motor.
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