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-   -   Spark plug removal. (https://www.camaroz28.com/forums/lt1-based-engine-tech-9/spark-plug-removal-602382/)

MARKTHOMASBRAND May 2, 2008 11:45 AM

Spark plug removal.
 
Hi all,
Have managed to change 7 out of the 8 plugs.
How do you remove the one closest to the fire-wall on the passenger side.
I can pull the plug wire off but can't get near it to undo it,do I need to drop the starter or am I missing something here?
Regards,Mark.

ss.slp.ls1 May 2, 2008 02:03 PM

Short answer...determination!
It's a PITA, but you can do it. What I do is basically crouch down on the radiator support and shock tower and reach down there. It helps if you put the socket and extension on the sparkplug by feel. Then you will be able to see the end and pop on the wrench, then many short ratchets and its off. Good luck.

MARKTHOMASBRAND May 2, 2008 03:01 PM

Thanks for the reply :).
I'll go back to it another day,pretty much had enough now,my hands and forearms are sore and it's getting dark here.
I found the the plug under the alternator to be not too bad,have heard that people struggle with that one and sometimes remove the alternator to gain access.
I should have done the plugs on the passenger side a few months ago when I had the cat and y-pipe off,so it's my own fault. LOL
Regards,Mark.

lastZ May 2, 2008 08:13 PM

a loyt of people say that they can get it from underneath the car?......havent tried it but...id do a search and check that out

MARKTHOMASBRAND May 3, 2008 04:37 AM

Hi,
I did the other 3 on the passenger side from the top,that rear plug looks pretty impossible from underneath unless I drop the y-pipe.
Will have another go at it early next week from the top.
Damn LT1 engine bay,if all else fails I'll just pull the motor ;).
The car is running sweet with 7 new plugs but obviously 8 would be better.
Thanks for the reply,Mark. :).

lovescamaros25 May 3, 2008 05:48 AM

Number 8 is the most difficult one to get to.Just spray the exhaust bolts down with WD-40 and remove the y-pipe...easier access..means less:mad:

MARKTHOMASBRAND May 3, 2008 11:27 AM


Originally Posted by lovescamaros25 (Post 5350487)
Number 8 is the most difficult one to get to.Just spray the exhaust bolts down with WD-40 and remove the y-pipe...easier access..means less:mad:

I only replaced the cat/y-pipe a few months ago,that was a nightmare in itself,sheared studs and all that.I should have changed plug number 8 then :bang:
Regards,Mark.

caldercay May 3, 2008 12:20 PM


Originally Posted by MARKTHOMASBRAND (Post 5349248)
Hi all,
Have managed to change 7 out of the 8 plugs.
How do you remove the one closest to the fire-wall on the passenger side.
I can pull the plug wire off but can't get near it to undo it,do I need to drop the starter or am I missing something here?
Regards,Mark.

I'm trying to remember how I did it - probably from underneath?
Either that or you have to "lay across the car" from front to back,
using your left arm to gain access. If you have smog pipes in the way,
it might be easier to just remove them. Or maybe I had my brother
do it (he has thinner arms than me :)).

(Now that I have headers on, I can get to it from up-top, but I still have
to get the #6 plug from underneath).

bobdec May 3, 2008 02:12 PM

On my '94, for number 8, disconnected battery, remove two starter mounting bolts leaving electrical wires on starter hooked up. Slide starter forward a few inches, used a spark plug socket with a hex end and a box end/opened end wrench on the spark plug socket.

MARKTHOMASBRAND May 3, 2008 03:35 PM

Thanks for all the tips guys,will have another go on my next day off work (wednesday).
Regards,Mark :).

MARKTHOMASBRAND May 7, 2008 09:50 AM

Managed to change the #8 plug today.Got at it from the top with my left hand whilst kneeling above the radiator,took me about 30 mins.
Have used the AC Delco platinum plugs and I only do about 5,000 miles per year,so I should never have to change the damn things again :).
Thanks for all the tips guys, now it's time for a well deserved cold beer :D.
All the best,Mark.

ss.slp.ls1 May 7, 2008 10:03 AM


Originally Posted by MARKTHOMASBRAND (Post 5357358)
Managed to change the #8 plug today.Got at it from the top with my left hand whilst kneeling above the radiator,took me about 30 mins.
Have used the AC Delco platinum plugs and I only do about 5,000 miles per year,so I should never have to change the damn things again :).
Thanks for all the tips guys, now it's time for a well deserved cold beer :D.
All the best,Mark.

Good to hear. :cool:

KajunKadillac May 7, 2008 11:28 AM

Good Stuff, ive bought some headers recently, and when i install them, i will replace the plugs and wires while i am at it,( but these will be temporary) i will then replace them once more with NGK TR55 IX plugs and MSD Wires wwhen i rebuild the engine, good to hear you got them replaced though :)

MARKTHOMASBRAND May 7, 2008 11:57 AM


Originally Posted by KajunKadillac (Post 5357591)
Good Stuff, ive bought some headers recently, and when i install them, i will replace the plugs and wires while i am at it,( but these will be temporary) i will then replace them once more with NGK TR55 IX plugs and MSD Wires wwhen i rebuild the engine, good to hear you got them replaced though :)

Thanks man,it was an ordeal but the car runs sweet now,just been for a cruise with the t-tops off,we have nice weather here for a change :).

MARKTHOMASBRAND May 7, 2008 11:59 AM


Originally Posted by ss.slp.ls1 (Post 5357373)
Good to hear. :cool:

Thanks for the info,your method is the way to go :).


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