The Stinger and G70 have identical engines. Whomever you got that picture from they've already swapped the stock bolts out for the ones shown.I am really starting to do my research...and the whole spark plug thing is a royal PITFA. Not sure if I want to attempt doing it myself. The biggest issue is the middle plug on the passenger side. There are videos, etc...but I have no clue what I am doing...never done it before. Worried I will break something.
I have gone to 3 local shops thus far...and all of them want over $300 to install the plugs. WTF ?!?! I am not paying that...not worth it to me. I thought I could pay someone like $75 or something. Jeez.
So...unless I find someone who can knock this out without removing that whole manifold thingee...I might not do this at all
Now...to get a bit more specific...the G70 is different than the Stinger in the following way. In the below picture of a Stinger...I have 2 arrows pointing at the bolts you have to loosen to remove the rubber housing. This is if you want to do it the long way. The Stinger simply has flat-head screws that loosen. The G70 is different !!! It is more advanced. It uses those screws that you torque down and the head breaks off once tightened. So no way to remove it without clipping it off. Then you have to get new ones to replace them. Dear Lord.
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To remove the stock bolts all you have to do is pop the cap off with a flat head screwdriver. It's just a cover over the screw.
Also, the plugs can be done without removing the manifold. There are videos on YouTube showing it. It's alot quicker than Tork Motorsport's video.
For what it's worth I ran the JB4 on stock plugs and Map 1 for a couple thousand miles and it worked fine. I didn't re-gap my plugs until my need for speed eclipsed my fear of removing the manifold (before we knew it didn't have to come off).