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

#8 spark plug, HELP!!!

Old Feb 28, 2004 | 05:10 PM
  #1  
tmuti13's Avatar
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#8 spark plug, HELP!!!

any tips on how to get the #8 plug out? I've changed all my other plugs. i took off my alternator and i tried to take the y pipe out, but the bolts are rusted. i even tried an impact wrench and the bolts won't break free. is there another way? thanks.
Old Feb 28, 2004 | 05:28 PM
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Take the starter out if you can.Maybe just loosen it and move it.Dont forget to disconnect the battery.
Old Feb 28, 2004 | 05:42 PM
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i'll give it a shot. thanks.
Old Feb 29, 2004 | 12:16 AM
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You may have to remove the y-pipe 1st.
Old Feb 29, 2004 | 12:38 AM
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I dunno, maybe I'm a freak but I pull everything but #7 from the top. For the #8 plug I used a 1/4" rachet with an adapter and the plug socket. I can fish my hand between the manifold and A/C box and pull it out with ease.
Old Feb 29, 2004 | 12:43 AM
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Originally posted by IDAREU
I dunno, maybe I'm a freak but I pull everything but #7 from the top. For the #8 plug I used a 1/4" rachet with an adapter and the plug socket. I can fish my hand between the manifold and A/C box and pull it out with ease.
You must be one of those small little skinny guys!
Old Feb 29, 2004 | 01:05 AM
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I'm pretyt sure I did #8 from the top too, and while I'm not a bulky man, I do have plenty thick forearms. The trick I found most helpful for the passenger side, was to throw a blanket over the engine compartment and lay across the engine bay -feet towards the drivers side.

I no longer had to wish my elbows bent backwards.
Old Feb 29, 2004 | 01:33 AM
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spark plug changing get really easy when u have someone going from the top and another from the bottom, that way the person on the bottom can put on the socket and guide the ratchet onto it that the person on the top lowers dowl, makes it really simple
Old Feb 29, 2004 | 09:12 AM
  #9  
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thanks for your help guys. i got it after taking out the starter and going at it from the bottom with a box end wrench. I also pulled most of mine from the top. the only ones i pulled from the bottom were 7 and 8. thanks for all the help.
Old Feb 29, 2004 | 10:46 AM
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Get a set of MAC's, I can change my plugs in 15 minutes... and thats with big chubby digits and forearms.
Old Feb 29, 2004 | 11:07 AM
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this is the one closest to alternator?

if it is, i put the socket on there and used a 5/8's rench to rotate it. all the others the ratchet fits and rotates no problem.
Old Feb 29, 2004 | 01:34 PM
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Originally posted by NewbieWar
this is the one closest to alternator?

if it is, i put the socket on there and used a 5/8's rench to rotate it. all the others the ratchet fits and rotates no problem.
Closest to the alternator is #2. The numbers increase as they go towards the firewall, odd on the drivers side, even on the passenger.

Good tip on using the 5/8s wrench though -that must be similar to the thinking behind the sockets on eBay for changing our cars plugs.
Old Feb 29, 2004 | 01:38 PM
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#8 is the only one i didnt do i didnt wanna damage all those wires over there... but i got the ratchet on there just fine and i was twisting... just stopped and tightened it back up i didnt wanna mess any of that stuff up
Old Feb 29, 2004 | 02:10 PM
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when i changed the plugs in my car when i got it no. 8 was about 2x times as rusted as the rest, leads me to believe it had never been changed
Old Feb 29, 2004 | 11:43 PM
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i got all mine from the top, i had the casting numbers for the manifold on my forarm for about an hour but damnit i got them all from the top.

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