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

Changing spark plug wires ?

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Old Oct 9, 2010 | 07:26 PM
  #1  
a4z28's Avatar
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From: NY
Changing spark plug wires ?

I want to know if you can change the wires without pulling the water pump? Thanks
Old Oct 9, 2010 | 08:27 PM
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Yup, Kind of a pain to get the passenger side routed through the brackets, but it can be done. Not too bad, My first LT1 took me about 20 minutes to rewire, goin one at a time and trying to match lengths.
Old Oct 9, 2010 | 08:36 PM
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Yeah i did it too, but it took me alot longer than 20 minutes laying in the driveway, But yeah it can be done. If you use larger than stock wires look for trouble getting them in the looms behind/ under the altenator.

Last edited by rpmatredline; Oct 9, 2010 at 09:08 PM.
Old Oct 9, 2010 | 08:49 PM
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Had mine in the air on jack stands... Should have mentioned that lol made it a little easier goin from top to underneath.
Old Oct 10, 2010 | 04:06 PM
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When you did the passenger's side from the bottom; did you have to take anything off? I have the opti off right now and just want to make sure the plug wires are on the correct plugs. (just bought the car w/ problems) I still cant see 90% of the length of the wires.
Old Oct 10, 2010 | 05:34 PM
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when I did mine I didn't take anything off except the plug wires one at a time so i didn't get them mixed up. I did have a repair manual but it was just as easy one at a time. If you are not sure they are in the right place get a repair manual or do a search for the proper order.
Old Oct 10, 2010 | 07:20 PM
  #7  
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The tricky part, assuming it is still on the engine, it the sheet metal cover over #7 wire, that holds it tight against the head. Getting that part alone off and back on in 20 minutes would be a miracle. Otherwise, pull the alternator for #2. Get #^ and #8 from the bottom.

You won't get confused about which wire goes where if you only change one at a time.
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