Spark Plug Extender? [Archive] - GrandAmGT.com Forum

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speak03
03-08-2005, 10:30 PM
After removing the rear cylinder head from my 3.4, I found a spark plug extender on the #1 cylinder head. Is this standard or did someone install it as an aftermarket part? If it's not standard, is there another reason to have one besides just making it easier to install the plug? I've read that spark plug extenders are sometiimes used in cylinder to reduce the compression to temporarily solve problems such as excessive blow by. I'm concerned because it's my #1 cylinder that's full of water Any thoughts?. Dave C.

NorKoastal
03-08-2005, 11:03 PM
I hate the #1 cylinder...... I have to replace that plug soon.. Damn!

Malaclypse
03-09-2005, 12:18 AM
Never heard of a spark plug extender before. If I undrestand you right its a hollow tube that threads into the spark plug hole, then piggyback the plug into the tube.

I'd remove it because there's no need for that to be installed on your motor. They're definitely not factory.

Blackrider
03-09-2005, 01:37 AM
I hate the #1 cylinder...... I have to replace that plug soon.. Damn!
See with you hands my friend see with your hands. My entire rear bank takes me no more than 15 min to do. Its not that bad.

as for the extender mine dosnt have one.

Panacea
03-09-2005, 02:51 AM
It's not the seeing part, it's getting the focking boots off!

Blackrider
03-09-2005, 09:05 AM
It's not the seeing part, it's getting the focking boots off!
ehhh never had a problem lol

Panacea
03-09-2005, 09:45 AM
Yeah, well you're Canadian... You guys have super human strength!

Molson
03-09-2005, 10:26 AM
Its about time you figure that out.

Panacea
03-09-2005, 01:34 PM
I've known it all along, I've just been in denial.

Besides, wouldn't an extender damper the performance?

NorKoastal
03-09-2005, 02:13 PM
Yo Hulk hands Blackrider wanna come to CA to swap my wires.. LoL

The problem in the design of our motor was the fuel rail placement... It blocks the openings and makes grabbing the boots/dropping the plugs in a PITA...

speak03
03-09-2005, 03:05 PM
so will keeping it in effect performance and or good spark?

videoman
03-09-2005, 09:09 PM
I find when I remove my STB and the ignition modules and within 20 mins they're done. PS. I dont have an extender either.

speak03
03-09-2005, 11:12 PM
I just thought of this sinerario. Could the extender have been used to change the compression due to the slow leak in the head gasket?

Sprucegagt
03-09-2005, 11:31 PM
I just thought of this sinerario. Could the extender have been used to change the compression due to the slow leak in the head gasket?

I think your right with that. The extender was never stock. Someone put that in for just that reason. Also if the cylinder was full of water then the head needs to come off and checked for cracks or a bad head gasket.

OR you could try some coolant stop leak. Not any of the stuff with solids in it, only all liquid. Not for sure if it will fix it but it may delay things for awhile.